Switching Voltage Regulators Pwr M Solution for Application Processor

The MAX4249–MAX4257 low-noise, low-distortion operational amplifiers offer rail-to-rail outputs and single-supply operation down to 2.4V. They draw 400µA of quiescent supply current per amplifier while featuring ultra-low distortion (0.0002% THD), as well as low input voltage-noise density (7.9nV/) and low input current-noise density (0.5fA/). These features make the devices an ideal choice for portable/battery-powered applications that require low distortion and/or low noise.For additional power conservation, the MAX4249/MAX4251/MAX4253/MAX4256 offer a low-power shutdown mode that reduces supply current to 0.5µA and puts the amplifiers' outputs into a high-impedance state. The MAX4249–MAX4257's outputs swing rail-to-rail and their input common-mode voltage range includes ground. The MAX4250–MAX4254 are unity-gain stable with a gain-bandwidth product of 3MHz. The MAX4249/MAX4255/MAX4256/MAX4257 are internally compensated for gains of 10V/V or greater with a gain-bandwidth product of 22MHz. The single MAX4250/MAX4255 are available in space-saving 5-pin SOT23 packages. The MAX4252 is available in an 8-bump chip-scale package (UCSP™) and the MAX4253 is available in a 10-bump UCSP. The MAX4250AAUK comes in a 5-pin SOT23 package and is specified for operation over the automotive (-40°C to +125°C) temperature range.ApplicationsADC BuffersAutomatic Test Equipment (ATE)Cardiac MonitorDigital Scales/Strain GaugesDisplays: Industrial, Front Panel, and InstrumentationIndustrial: Process Measurement and ControlMedical InstrumentationPA ControlPanel MetersPortable Battery-Powered EquipmentPower MetersProgrammable Logic Controllers (PLCs)Wireless Communications Devices

The MAX4322/MAX4323/MAX4326/MAX4327/MAX4329 family of operational amplifiers combines wide bandwidth and excellent DC accuracy with rail-to-rail operation at the inputs and outputs. These devices consume only 650µA per amplifier and operate from either a single supply (2.4V to 6.5V) or dual supplies (±1.2V to ±3.25V). These unity-gain-stable amplifiers are capable of driving 250Ω loads and have a 5MHz gain-bandwidth product. The MAX4323 and MAX4327 feature a low-power shutdown mode that reduces supply current to 25µA and places the outputs in a high-impedance state.With their rail-to-rail input common-mode range and output swing, these amplifiers are ideal for low-voltage, single-supply operation. In addition, low offset voltage and high speed make them the ideal signal-conditioning stages for precision, low-voltage data-acquisition systems.The MAX4323 is offered in a small 6-bump chip-scale package (UCSP™). The MAX4322/MAX4323 are also available in space-saving SOT23 packages.ApplicationsAutomotive SensorsBase Station/Wireless InfrastructureBattery-Powered InstrumentsComputers: Desktops, Workstations, and ServersComputers: MotherboardsComputers: NotebookData Acquisition SystemsGPS SolutionsLow-Power, Low-Voltage ApplicationsMP3 Docking Stations: Mid LevelPA BiasingPortable EquipmentProgrammable Logic Controllers (PLCs)RSSI SystemsSet-Top BoxesSignal Conditioning

The MAX4322/MAX4323/MAX4326/MAX4327/MAX4329 family of operational amplifiers combines wide bandwidth and excellent DC accuracy with rail-to-rail operation at the inputs and outputs. These devices consume only 650µA per amplifier and operate from either a single supply (2.4V to 6.5V) or dual supplies (±1.2V to ±3.25V). These unity-gain-stable amplifiers are capable of driving 250Ω loads and have a 5MHz gain-bandwidth product. The MAX4323 and MAX4327 feature a low-power shutdown mode that reduces supply current to 25µA and places the outputs in a high-impedance state.With their rail-to-rail input common-mode range and output swing, these amplifiers are ideal for low-voltage, single-supply operation. In addition, low offset voltage and high speed make them the ideal signal-conditioning stages for precision, low-voltage data-acquisition systems.The MAX4323 is offered in a small 6-bump chip-scale package (UCSP™). The MAX4322/MAX4323 are also available in space-saving SOT23 packages.ApplicationsAutomotive SensorsBase Station/Wireless InfrastructureBattery-Powered InstrumentsComputers: Desktops, Workstations, and ServersComputers: MotherboardsComputers: NotebookData Acquisition SystemsGPS SolutionsLow-Power, Low-Voltage ApplicationsMP3 Docking Stations: Mid LevelPA BiasingPortable EquipmentProgrammable Logic Controllers (PLCs)RSSI SystemsSet-Top BoxesSignal Conditioning

The MAX4322/MAX4323/MAX4326/MAX4327/MAX4329 family of operational amplifiers combines wide bandwidth and excellent DC accuracy with rail-to-rail operation at the inputs and outputs. These devices consume only 650µA per amplifier and operate from either a single supply (2.4V to 6.5V) or dual supplies (±1.2V to ±3.25V). These unity-gain-stable amplifiers are capable of driving 250Ω loads and have a 5MHz gain-bandwidth product. The MAX4323 and MAX4327 feature a low-power shutdown mode that reduces supply current to 25µA and places the outputs in a high-impedance state.With their rail-to-rail input common-mode range and output swing, these amplifiers are ideal for low-voltage, single-supply operation. In addition, low offset voltage and high speed make them the ideal signal-conditioning stages for precision, low-voltage data-acquisition systems.The MAX4323 is offered in a small 6-bump chip-scale package (UCSP™). The MAX4322/MAX4323 are also available in space-saving SOT23 packages.ApplicationsAutomotive SensorsBase Station/Wireless InfrastructureBattery-Powered InstrumentsComputers: Desktops, Workstations, and ServersComputers: MotherboardsComputers: NotebookData Acquisition SystemsGPS SolutionsLow-Power, Low-Voltage ApplicationsMP3 Docking Stations: Mid LevelPA BiasingPortable EquipmentProgrammable Logic Controllers (PLCs)RSSI SystemsSet-Top BoxesSignal Conditioning

The MAX4506/MAX4507 multiple, two-terminal signal-line protectors are pin-compatible with the industry-standard MAX366/MAX367. These new circuit protectors feature fault-protected inputs and rail-to-rail signal handling capability. The input pins are protected from overvoltage faults up to ±36V with power on or ±40V with power off. During a fault condition, the input terminal becomes an open circuit and only nanoamperes of leakage current flow from the source; but the switch output (OUT_) furnishes typically 19mA from the appropriate polarity supply to the load. This ensures unambiguous rail-to-rail outputs when a fault begins and ends.The MAX4506 contains three independent protectors while the MAX4507 contains eight independent protectors. They can protect both unipolar and bipolar analog signals using either unipolar (+9V to +36V) or bipolar (±8V to ±18V) power supplies.These devices have no logic control inputs; the protectors are designed to be always-on when the supplies are on. On-resistance is 100Ω max and matched within 7Ω , and on-leakage is less than 0.5nA at TA = +25°C. The MAX4506 is available in 8-pin SO/DIP packages. The MAX4507 is available in 20-pin SSOP and 18-pin SO/DIP packages.ApplicationsAutomated Test Equipment (ATE)Data Acquisition SystemsHot-Insertion Boards/SystemsProcess Control SystemsRedundant/Backup SystemsSensitive Instruments

The MAX4528 low-voltage, CMOS analog IC is configured as a phase-reversal switch and optimized for high-speed applications such as chopper amplifiers. It operates from a +2.7V to +12V single supply or from ±2.7V to ±6V dual supplies.On-resistance (110Ω max) is matched between switches to 7Ω (max). Each switch can handle rail-to-rail analog signals. The leakage current is only 0.5nA at +25°C and 20nA at +85°C. All digital inputs have 0.8V to 2.4V logic thresholds, ensuring both TTL- and CMOS-logic compatibility.For higher voltage operation, see the MAX4526/ MAX4527 data sheet.ApplicationsAudio-Signal RoutingBalanced Modulators/DemodulatorsChopper-Stabilized AmplifiersData AcquisitionTest Equipment

The MAX4536/MAX4537/MAX4538 are quad, low-voltage, single-pole/single-throw (SPST) analog switches with a common enable pin. They are pin compatible with the industry-standard 74HC4316. The MAX4536 has four normally open (NO) switches, and the MAX4537 has four normally closed (NC) switches. The MAX4538 has two NO switches and two NC switches.These switches operate from a +2V to +12V single supply, or from ±2V to ±6V dual supplies. On-resistance (200Ω max) is matched between switches to 4Ω (max) and is flat (10Ω max) over the specified signal range. Each switch can handle rail-to-rail analog signals. The off-leakage current is only 1nA at +25°C and 10nA at +85°C.All digital inputs have 0.8V to 2.4V logic thresholds, ensuring TTL/CMOS-logic compatibility when using a single +5V supply or dual ±5V supplies.ApplicationsAudio-Signal RoutingAvionicsBattery-Powered ApplicationsLow-Voltage Data AcquisitionNetworkingPortable EquipmentTest Equipment

The MAX4541–MAX4544 are precision, dual analogswitches designed to operate from a single +2.7V to +12Vsupply. Low power consumption (5µW) makes these partsideal for battery-powered equipment. These switches offerlow leakage currents (100pA max) and fast switchingspeeds (tON = 150ns max, tOFF = 100ns max).When powered from a +5V supply, the MAX4541–MAX4544 offer 2Ω max matching between channels, 60Ω max on-resistance (RON), and 6Ω max RON flatness.These switches also offer 5pC max charge injection anda minimum of 2000V ESD protection per Method 3015.7.The MAX4541/MAX4542/MAX4543 are dual single-pole/single-throw (SPST) devices and the MAX4544 is a singlepole/double-throw (SPDT) device. The MAX4541 has twonormally open (NO) switches and the MAX4542 has two normally closed (NC) switches. The MAX4543 has one NO and one NC switch and can be used as an SPDT, while the MAX4544 is an SPDT. The MAX4541/MAX4542/MAX4543 are available in tiny SOT23-8 and 8-pin TDFN packages, and the MAX4544 is available in a SOT23-6 package.Applications+3V, +5V DACs and ADCsAudio and Video SwitchingBattery-Powered ApplicationsCell PhonesCommunication SystemsGuidance and Control SystemsHeads-Up DisplaysMilitary RadiosPagersPBX, PABXSample-and-Hold CircuitsTest EquipmentUltrasound

The MAX4551/MAX4552/MAX4553 are quad, low-voltage, single-pole/single-throw (SPST) analog switches. Each switch is protected against ±15kV electrostatic discharge (ESD) shocks, without latchup or damage. On-resistance (100Ωmax) is matched between switches to 4Ω max, and is flat (8Ω max) over the specified signal range. Each switch can handle rail-to-rail analog signals. The off-leakage current is only 1nA at +25°C and 10nA at +85°C.The MAX4551 has four normally closed (NC) switches, and the MAX4552 has four normally open (NO) switches. The MAX4553 has two NC and two NO switches.These CMOS switches can operate with dual power supplies ranging from ±2V to ±6V or a single supply between +2V and +12V. They are fully specified for single +2.7V operation.All digital inputs have +0.8V and +2.4V logic thresholds, ensuring TTL/CMOS-logic compatibility when using ±5V or a single +5V supply.ApplicationsAudio-Signal RoutingAvionicsBattery-Powered ApplicationsData AcquisitionNetworkingTest Equipment

The MAX4581/MAX4582/MAX4583 are low-voltage,CMOS analog ICs configured as an 8-channel multiplexer(MAX4581), two 4-channel multiplexers (MAX4582), andthree single-pole/double-throw (SPDT) switches(MAX4583).These CMOS devices can operate continuously with±2V to ±6V dual power supplies or a +2V to +12V singlesupply. Each switch can handle rail-to-rail analogsignals. The off-leakage current is only 1nA at +25°C or5nA at +85°C.All digital inputs have 0.8V to 2.4V logic thresholds,ensuring TTL/CMOS-logic compatibility when using asingle +5V or dual ±5V supplies.ApplicationsAudio/Video Signal RoutingAutomotiveBattery-Operated EquipmentCommunications CircuitsLow-Voltage Data-Acquisition Systems

The MAX160 and MX7574 are low cost, microprocessor compatible 8 bit analog-to-digital converters which use the successive-approximation technique to achieve conversion times of 4μs (MAX160) and 15μs (MX7574).The A/Ds are designed to easily interface with microprocessors by appearing as a memory location or I/O port without the need for external interfacing logic. Data outputs use latched, three-state buffer circuitry to allow direct connection to a microprocessor data bus or system input port. Operation is simplified by an on-chip clock, +5V power supply requirement, and low supply current (5mA max).The MAX160 provides major performance improvements over the AD7574 in accuracy and speed specifications as well as compatibility with TTL logic levels.ApplicationsAvionicsDigital Signal ProcessingHigh Speed Data AcquisitionInstrumentationProcess AutomationTelecommunications

The MAX180/MAX181 are complete 12-bit Data Acquisition System (DAS) which combine 8/6 channel input multiplexer, high bandwidth Track-and-Hold (T/H), low-drift zener reference, and flexible microprocessor (µP) interface with high conversion speed and low power consuption. The MAX180/MAX181 can be configured by a µP for unipolar or bipolar conversions and single-ended or differential inputs. Both devices sample and digitize at 100kHz throughout rate and feature a fast 8- or 16-bit µP interface.The MAX180 has 8 analog input channels, while the MAX181 has 6. The multiplexer output of the MAX180 is fed directly into the Analog-to-Digital Converter (ADC) input. The MAX181 brings out both the multiplexer output and ADC input to separate pins, allowing a programmable gain amplifier to be inserted between the MUX and the ADC.The systems allow the user to choose between an internal or an external reference. Furthermore, the internal reference value and the offest can be adjusted, allowing the overall system gain and offset errors to be nulled. The multiplexer has high impedence inputs, simplifying analog drive requirements.ApplicationsAutomated Test Equipment (ATE)Digital Signal Processing (DSP)High-Accuracy Process ControlHigh-Speed Servo Loops

Analog to Digital Converters - ADC Calibrated, 4-Channel, 12-Bit ADC with T

The MAX199 multi-range, 12-bit data-acquisition system(DAS) requires only a single +5V supply for operation,and converts analog signals up to ±4V at its inputs. Thissystem provides eight analog input channels that areindependently software programmable for a variety ofranges: ±VREF, ±VREF/2, 0V to VREF, or 0V to VREF/2.This increases effective dynamic range to 14 bits, andprovides the user flexibility to interface 4mA-to-20mA,±12V, and ±15V powered sensors to a single +5V system.In addition, the converter is fault-protected to±16.5V; a fault condition on any channel will not affectthe conversion result of the selected channel. Other featuresinclude a 5MHz bandwidth track/hold, 100kspsthroughput rate, internal/external clock, internal/externalacquisition control, 8+4 parallel interface, and operationwith an internal 4.096V or external reference.A hardware active-low SHDN pin and two programmable power-downmodes (STBYPD, FULLPD) provide low-currentshutdown between conversions. In STBYPD mode, thereference buffer remains active, eliminating start-updelays.The MAX199 employs a standard microprocessor (µP)interface. Its three-state data I/O interface is configuredto operate with 8-bit data buses, and data-access andbus-release timing specifications are compatible withmost popular µPs. All logic inputs and outputs areTTL/CMOS compatible.The MAX199 is available in 28-pin DIP, wide SO, SSOP,and ceramic SB packages.For a different combination of input ranges (±10V, ±5V,0V to 10V, 0V to 5V), see the MAX197 data sheet. For 12-bit bus interfaces, see the MAX196/MAX198 data sheet.ApplicationsAutomatic Testing SystemsData-Acquisition SystemsIndustrial-Control SystemsMedical InstrumentsRoboticsTelecommunications

Maxim's MAX312/MAX313/MAX314 analog switches feature low on-resistance (10Ω max) and 1.5Ω on-resistance matching between channels. These switches conduct equally well in either direction. They offer low leakage over temperature (2.5nA at +85°C). Low power consumption and ESD tolerance greater than 2000V per Method 3015.7 are guaranteed.The MAX312/MAX313/MAX314 are quad, single-pole/single-throw (SPST) analog switches. The MAX312 is normally closed (NC), and the MAX313 is normally open (NO). The MAX314 has two NC switches and two NO switches. All three devices operate from a single supply of +4.5V to +30V or from dual supplies of ±4.5V to ±20V.ApplicationsAudio-Signal RoutingAvionicsCommunication SystemsData AcquisitionPBX/PABX SystemsSample-and-Hold CircuitsTest Equipment

The MAX320/MAX321/MAX322 are precision, dual, SPST analog switches designed to operate from ±3V to ±8V dual supplies. The MAX320 has two normally open (NO) switches and the MAX321 has two normally closed (NC) switches. The MAX322 has one NO and one NC switch. Low power consumption (1.25mW) makes these parts ideal for battery-powered equipment. They offer low leakage currents (100pA max) and fast switching speeds (tON = 150ns max, tOFF = 100ns max).The MAX320 series, powered from ±5V supplies, offers 35Ω max on-resistance (RON), 2Ω max matching between channels, and 4Ω max RON flatness.These switches also offer 5pC max charge injection and a minimum of 2000V ESD protection per Method 3015.7.For equivalent devices specified for single-supply operation, see the MAX323/MAX324/MAX325 data sheet. For quad versions of these switches, see the MAX391/MAX392/MAX393 data sheet.Applications±5V DACs and ADCsAudio and Video SwitchingBattery-Powered ApplicationsCommunication SystemsGuidance and Control SystemsHeads-Up DisplaysMilitary RadiosPBX, PABXSample-and-Hold CircuitsTest Equipment

The MAX320/MAX321/MAX322 are precision, dual, SPST analog switches designed to operate from ±3V to ±8V dual supplies. The MAX320 has two normally open (NO) switches and the MAX321 has two normally closed (NC) switches. The MAX322 has one NO and one NC switch. Low power consumption (1.25mW) makes these parts ideal for battery-powered equipment. They offer low leakage currents (100pA max) and fast switching speeds (tON = 150ns max, tOFF = 100ns max).The MAX320 series, powered from ±5V supplies, offers 35Ω max on-resistance (RON), 2Ω max matching between channels, and 4Ω max RON flatness.These switches also offer 5pC max charge injection and a minimum of 2000V ESD protection per Method 3015.7.For equivalent devices specified for single-supply operation, see the MAX323/MAX324/MAX325 data sheet. For quad versions of these switches, see the MAX391/MAX392/MAX393 data sheet.Applications±5V DACs and ADCsAudio and Video SwitchingBattery-Powered ApplicationsCommunication SystemsGuidance and Control SystemsHeads-Up DisplaysMilitary RadiosPBX, PABXSample-and-Hold CircuitsTest Equipment

The MAX320/MAX321/MAX322 are precision, dual, SPST analog switches designed to operate from ±3V to ±8V dual supplies. The MAX320 has two normally open (NO) switches and the MAX321 has two normally closed (NC) switches. The MAX322 has one NO and one NC switch. Low power consumption (1.25mW) makes these parts ideal for battery-powered equipment. They offer low leakage currents (100pA max) and fast switching speeds (tON = 150ns max, tOFF = 100ns max).The MAX320 series, powered from ±5V supplies, offers 35Ω max on-resistance (RON), 2Ω max matching between channels, and 4Ω max RON flatness.These switches also offer 5pC max charge injection and a minimum of 2000V ESD protection per Method 3015.7.For equivalent devices specified for single-supply operation, see the MAX323/MAX324/MAX325 data sheet. For quad versions of these switches, see the MAX391/MAX392/MAX393 data sheet.Applications±5V DACs and ADCsAudio and Video SwitchingBattery-Powered ApplicationsCommunication SystemsGuidance and Control SystemsHeads-Up DisplaysMilitary RadiosPBX, PABXSample-and-Hold CircuitsTest Equipment

The MAX3483, MAX3485, MAX3486, MAX3488, MAX3490, and MAX3491 are 3.3V, low-power transceivers for RS-485 and RS-422 communication. Each part contains one driver and one receiver. The MAX3483 and MAX3488 feature slew-rate-limited drivers that minimize EMI and reduce reflections caused by improperly terminated cables, allowing error-free data transmission at data rates up to 250kbps. The partially slew-rate-limited MAX3486 transmits up to 2.5Mbps. The MAX3485, MAX3490, and MAX3491 transmit at up to 10Mbps.Drivers are short-circuit current limited and are protected against excessive power dissipation by thermal shutdown circuitry that places the driver outputs into a high-impedance state. The receiver input has a fail-safe feature that guarantees a logic-high output if both inputs are open circuit.The MAX3488, MAX3490, and MAX3491 feature full-duplex communication, while the MAX3483, MAX3485, and MAX3486 are designed for half-duplex communication.ApplicationsIndustrial Control Local Area NetworksIntegrated Services Digital NetworksLow-Power RS-485/RS-422 TransceiversPacket SwitchingTelecommunicationsTransceivers for EMI-Sensitive Applications