2.5A Supercapacitor Backup Power Manager Features: 2.5A Step-Down Supercapacitor Charger and 2.5A Step-Up Backup Supply 6.5A Switches for 2.5A Backup from One Supercapacitor or Two in Series Input Current Limit Prioritizes Load over Charge Current Input Disconnect Switch Isolates Input During Backup Automatic Seamless Switch-Over to Backup Mode Internal Supercapacitor Balancer (No External Resistors) Programmable Charge Current and Charge Voltage Input Power Fail Indicator System Power Good Indicator Optional OVP Circuitry Protects Device to >60V Constant Frequency Operation Thermally Enhanced 24-Lead 4mm × 5mm QFN Package

SPECIAL FUNCTION IC;

The 12-channel AD8802 / AD8804 provides independent digitally-controllable voltage outputs in a compact 20-lead package. This potentiometer divider TrimDAC® allows replacement of the mechanical trimmer function in new designs. The AD8802 / AD8804 is ideal for dc voltage adjustment applications.Easily programmed by serial interfaced microcontroller ports, the AD8802 with its midscale preset is ideal for potentiometer replacement where adjustments start at a nominal value. Applications such as gain control of video amplifiers, voltage controlled frequencies and bandwidths in video equipment, geometric correction and automatic adjustment in CRT computer graphic displays are a few of the many applications ideally suited for these parts. The AD8804 provides independent control of both the top and bottom end of the potentiometer divider allowing a separate zero-scale voltage setting determined by the VREFL pin. This is helpful for maximizing the resolution of devices with a limited allowable voltage control range.Internally the AD8802/AD8804 contains 12 voltage-output digital-to-analog converters, sharing a common reference-voltage input.Each DAC has its own DAC latch that holds its output state. These DAC latches are updated from an internal serial-to-parallel shift register that is loaded from a standard 3-wire serial input digital interface. The serial-data-input word is decoded where the first 4 bits determine the address of the DAC latches to be loaded with the last 8 bits of data. The AD8802/ AD8804 consumes only 10 µA from 5 V power supplies. In addition, in shutdown mode reference input current consumption is also reduced to 10 µA while saving the DAC latch settings for use after return to normal operation.The AD8802 / AD8804 is available in the 20-pin plastic DIP, the SOIC-20 surface mount package, and the 1 mm thin TSSOP-20 package.APPLICATIONS Automatic Adjustment Trimmer Replacement Video and Audio Equipment Gain and Offset Adjustment Portable and Battery Operated Equipment

The AD648 is a matched pair of low power, precision monolithic operational amplifiers. It offers both low bias current (10 pA max, warmed up) and low quiescent current (400 µA max) and is fabricated with ion-implanted FET and laser wafer trimming technologies. Input bias current is guaranteed over the AD648's entire common-mode voltage range.The economical J grade has a maximum guaranteed offset voltage of less than 2 mV and an offset voltage drift of less than 20 µV/°C. The combination of low quiescent current and low offset voltage drift minimizes changes in input offset voltage due to self-heating effects. The AD648 is recommended for any dual supply op amp application requiring low power and excellent dc and ac performance. In applications such as battery-powered, precision instrument front ends and CMOS DAC buffers, the AD648's excellent combination of low input offset voltage and drift, low bias current and low 1/f noise reduces output errors. High common-mode rejection and high open-loop gain ensures better than 12-bit linearity in high impedance, buffer applications.The AD648 is pinned out in a standard dual op amp configuration and is available in seven performance grades. The AD648J and AD648K are rated over the commercial temperature range of 0°C to +70°C. The AD648 is available in an 8-pin plastic mini-DIP and SOIC package.

The AD632 is an internally trimmed monolithic four-quadrant multiplier/divider. The AD632B has a maximum multiplying error of ±0.5% without external trims.Excellent supply rejection, low temperature coefficients and long term stability of the on-chip thin film resistors and buried zener reference preserve accuracy even under adverse conditions. The simplicity and flexibility of use provide an attractive alternative approach to the solution of complex control functions.The AD632 is pin-for-pin compatible with the industry standard AD532 with improved specifications and a fully differential high impedance Z-input. The AD632 is capable of providing gains of up to X10, frequently eliminating the need for separate instrumentation amplifiers to precondition the inputs. The AD632 can be effectively employed as a variable gain differential inputamplifier with high common-mode rejection. The effectiveness of the variable gain capability is enhanced by the inherent low noise of the AD632: 90 µV rms.APPLICATIONS High quality analog signal processing Differential ratio and percentage computations Algebraic and trigonometric function synthesis Accurate voltage controlled oscillators and filtersPRODUCT HIGHLIGHTS Guaranteed performance over temperature. The AD632A and AD632B are specified for maximum multiplying errors of ±1.0% and ±0.5% of full scale, respectively, at +25°C and are rated for operation from −25°C to +85°C. Maximum multiplying errors of ±2.0% (AD632S) and ±1.0% (AD632T) are guaranteed over the extended temperature range of −55°C to +125°C. High reliability. The AD632S and AD632T series are available with MIL-STD-883 Level B screening. All devices are available in either the hermetically sealed TO-100 metal can or ceramic DIP package.

The AD842 is a member of the Analog Devices, Inc. family of wide bandwidth operational amplifiers. This device is fabricated using the Analog Device junction isolated complementary bipolar (CB) process. This process permits a combination of dc precision and wideband ac performance previously unobtainable in a monolithic op amp. In addition to its 80 MHz gain bandwidth product, the AD842 offers extremely fast settling characteristics, typically settling to within 0.01% of final value in less than 100 ns for a 10 V step.The AD842 also offers a low quiescent current of 13 mA, a high output current drive capability (100 mA minimum), a low input voltage noise of 9 nV√Hz, and a low input offset voltage (1.5 mV maximum).The 375 V/μs slew rate of the AD842, along with its 80 MHz gain bandwidth product, ensures excellent performance in video and pulse amplifier applications. This amplifier is ideally suited for use in high frequency signal conditioning circuits and wide bandwidth active filters. The extremely rapid settling time of the AD842 makes this amplifier the preferred choice for data acquisition applications requiring 12-bit accuracy. The AD842 is also appropriate for other applications, such as high speed DAC and ADC buffer amplifiers and other wide bandwidth circuitry.

ADI

Power Management IC Development Tools LTM8001EY Demo Board - 36VIN, 5A Module

Power Management IC Development Tools LTC3129-1 Demo Board 2.42V to 15V Input to 5V out at 200mA.

RF Development Tools LTC5535ES6 - 7GHz RF Detector With Wide

ADI

The ADP3303 is a member of the ADP3300, ADP3301, andADP3309 family of precision low dropout anyCAP voltage regulators. The ADP3303 stands out from the conventional LDOs with a different architecture, an enhanced process, and adifferent package. Its patented design requires only a 0.47 μFoutput capacitor for stability. This device is insensitive to capacitor Equivalent Series Resistance (ESR) and is stable with any good quality capacitor, including ceramic types (MLCC) forspace restricted applications. The ADP3303 achievesexceptional accuracy of ±0.8% at room temperature and ±1.4%overall accuracy over temperature, line, and load regulations.The dropout voltage of the ADP3303 is only 180 mV (typical) at 200 mA.In addition to the architecture and process, the Analog Devices, Inc., proprietary thermally enhanced package (Thermal Coastline)can handle 1 W of power dissipation without external heatsink or large copper surface on the printed circuit board (PCB).This keeps PCB real estate to a minimum and makes theADP3303 very attractive for use in portable equipment.The ADP3303 operates with a wide input voltage range from 3.2 V to 12 V and delivers a load current in excess of 200 mA.It features an error flag that signals when the device is about to lose regulation or when the short circuit or thermal overloadprotection is activated. Other features include shutdown and optional noise reduction capabilities. The ADP3300, ADP3301,and ADP3309 anyCAP LDO family offers a wide range of output voltages and output current levels:ADP3300 (50 mA, SOT-23)ADP3301 (100 mA) ADP3302 (100 mA, Dual Output)Applications Cellular telephones Notebook, palmtop computers Battery powered systems Portable instruments Post regulator for switching supplies Bar code scanners

ADI

The ADM485E / ADM487E / ADM1487E are 5 V low power data transceivers with ±15 kV ESD protection suitable for half duplex communication on multipoint bus transmission lines. They are designed for balanced data transmission and comply with TIA/EIA standards RS-485 and RS-422. The ADM487E and the ADM1487E have a 1/4 unit load receiver input impedance that allows up to 128 transceivers on a bus, while the ADM485E allow up to 32 transceivers on a bus. Since only one driver is enabled at any time, the output of a disabled or powerdown driver is three-stated to avoid overloading the bus.The driver outputs are slew rate-limited in order to reduce EMI and data errors caused by reflections from improperly terminated buses. Excessive power dissipation caused by bus contention or output shorting is prevented with a thermal shutdown circuit. The parts are fully specified over the industrial temperature ranges and are available in 8-lead SOIC packagesAPPLICATIONS Energy/power metering Lighting systems Industrial control Telecommunications Security systems Instrumentation

APPLICATION SPECIFIC & REF DESIGN KITS;

Digital Isolators DUAL-CHANNEL DIGITAL ISOLATORS

The AD76871 is a 16-bit, charge redistribution, successive approximation, analog-to-digital converter (ADC) that operates from a single power supply, VDD, between 2.3 V to 5.5 V. It contains a low power, high speed, 16-bit sampling ADC with no missing codes, an internal conversion clock, and a versatile serial interface port. The device also contains a low noise, wide bandwidth, short aperture delay track-and-hold circuit. On the CNV rising edge, the AD7687 the samples the voltage difference between IN+ and IN− pins, which can range from −VREF to +VREF. The reference voltage, VREF, is applied externally and can be set up to the supply voltage.The power consumption of the device scales linearly with throughput.The SPI-compatible serial interface also features the ability to daisy-chain several ADCs on a single 3-wire bus and provides an optional BUSY indicator by means of the SDI pin. It is compatible with 1.8 V, 2.5 V, 3 V, or 5 V logic using the separate supply VIO.The AD7687 comes in a 10-lead MSOP or a 10-lead LFCSP with operation specified from −40°C to +85°C.APPLICATIONS Battery-powered equipment Data acquisitions Instrumentation Medical instruments Process controls

Power Management IC Development Tools LTC4290B/LTC4271: (DC1680 + DC1842) 8-Port 25.5W Demo Kit (req DC590)

Supervisory Circuits Low-Power uP Supervisory ICs with Battery Backup and Chip-Enable Gating

- Converter, Intel Pentium® Voltage Regulator IC 1 Output DDPAK-7