Software-Selectable Multiprotocol Transceiver Features: Software-Selectable Transceiver Supports: RS232, RS449, EIA-530, EIA-530-A, V.35, V.36, X.21 NET1 and NET2 Compliant Software-Selectable Cable Termination Using the LTC1344 4-Driver/4-Receiver Configuration Provides a Complete 2-Chip DTE or DCE Port Operates from Single 5V Supply Internal Echoed Clock and Loop-Back Logic

Software-Selectable Cable Terminator Features: Software-Selectable Cable Termination for: RS232 (V.28) RS423 (V.10) RS422 (V.11) RS485 RS449 EIA530 EIA530-A V.35 V.36 X.21 Outputs Won’t Load the Line with Power Off

Single Supply V.35 Transceiver Features: Single Chip Provides All V.35 Differential Clock and Data Signals Operates From Single 5V Supply Software Selectable DTE or DCE Configuration Transmitters and Receivers Will Withstand Repeated ±10kV ESD Pulses Shutdown Mode Reduces Icc to 1µA Typ 10MBaud Transmission Rate Transmitter Maintains High Impedance When Disabled, Shut Down, or with Power Off Meets CCITT V.35 Specification Transmitters are Short-Circuit Protected

Single Supply V.35 Transceiver Features: Single Chip Provides All V.35 Differential Clock and Data Signals Operates From Single 5V Supply Software Selectable DTE or DCE Configuration Transmitters and Receivers Will Withstand Repeated ±10kV ESD Pulses Shutdown Mode Reduces Icc to 1µA Typ 10MBaud Transmission Rate Transmitter Maintains High Impedance When Disabled, Shut Down, or with Power Off Meets CCITT V.35 Specification Transmitters are Short-Circuit Protected

3.3V/5V Low Power RS232 3-Driver/5-Receiver Transceiver Features: Low Supply Current: 600µA at 3.3V Supply Current in Shutdown: 0.2µA Supply Current in Receiver Alive Mode: 15µA ESD Protection over ±10kV Operates from a Single 3V to 5.5V Supply Operates to 120kBaud with 0.1µF Flying Capacitors Three-State Outputs Are High Impedance When Off Output Overvoltage Does Not Force Current Back into Supplies RS232 I/O Lines Can Be Forced to ±25V Without Damage Flowthrough Architecture

5V Low Power RS232 3-Driver/5-Receiver Transceiver with 2 Receivers Active in Shutdown Features: Low Supply Current: 300µA Two Receivers Kept Alive in Shutdown ESD Protection Over ±10kV Operates from a Single 5V Supply Uses Small Capacitors: 0.1µF Operates to 120kBaud Three-State Outputs Are High Impedance When Off Output Overvoltage Does Not Force Current Back into Supplies RS232 I/O Lines Can Be Forced to ±25V Without Damage Pin Compatible with LT1137A and LT1237 Flowthrough Architecture

3.3V Low Power EIA/TIA-562 3-Driver/5-Receiver Transceiver Features: Low Supply Current: 300µA Receivers 4 and 5 Kept Alive in SHUTDOWN: 35µA ESD Protection: ±10kV Operates from a Single 3.3V Supply Uses Small Capacitors: 0.1µF Operates to 120kBaud Three-State Outputs are High Impedance When Off Output Overvoltage Does Not Force Current Back into Supplies EIA/TIA-562 I/O Lines Can Be Forced to ±25V Without Damage Flowthrough Architecture

3.3V Low Power EIA/TIA-562 3-Driver/5-Receiver Transceiver Features: Low Supply Current: 300µA Receivers 4 and 5 Kept Alive in SHUTDOWN: 35µA ESD Protection: ±10kV Operates from a Single 3.3V Supply Uses Small Capacitors: 0.1µF Operates to 120kBaud Three-State Outputs are High Impedance When Off Output Overvoltage Does Not Force Current Back into Supplies EIA/TIA-562 I/O Lines Can Be Forced to ±25V Without Damage Flowthrough Architecture

3.3V Low Power EIA/TIA-562 3-Driver/5-Receiver Transceiver Features: Low Supply Current: 300µA Receivers 4 and 5 Kept Alive in SHUTDOWN: 35µA ESD Protection: ±10kV Operates from a Single 3.3V Supply Uses Small Capacitors: 0.1µF Operates to 120kBaud Three-State Outputs are High Impedance When Off Output Overvoltage Does Not Force Current Back into Supplies EIA/TIA-562 I/O Lines Can Be Forced to ±25V Without Damage Flowthrough Architecture

Single-Ended 8-Channel/Differential 4-Channel Analog Multiplexer with SMBus Interface Features: Micropower Operation: Supply Current = 20µA Max 2-Wire SMBus Interface Single 2.7V to ±5V Supply Operation Expandable to 32 Single or 16 Differential Channels Guaranteed Break-Before-Make Low RON: 35Ω Single Ended/70Ω Differential Low Charge Injection: 20pC Max Low Leakage: ±5nA Max Available in 16-Lead SO and GN Packages

Single-Ended 8-Channel/Differential 4-Channel Analog Multiplexer with SMBus Interface Features: Micropower Operation: Supply Current = 20µA Max 2-Wire SMBus Interface Single 2.7V to ±5V Supply Operation Expandable to 32 Single or 16 Differential Channels Guaranteed Break-Before-Make Low RON: 35Ω Single Ended/70Ω Differential Low Charge Injection: 20pC Max Low Leakage: ±5nA Max Available in 16-Lead SO and GN Packages

Single-Ended 8-Channel/Differential 4-Channel Analog Multiplexer with SMBus Interface Features: Micropower Operation: Supply Current = 20µA Max 2-Wire SMBus Interface Single 2.7V to ±5V Supply Operation Expandable to 32 Single or 16 Differential Channels Guaranteed Break-Before-Make Low RON: 35Ω Single Ended/70Ω Differential Low Charge Injection: 20pC Max Low Leakage: ±5nA Max Available in 16-Lead SO and GN Packages

Micropower Precision Triple Supply Monitor Features: Simultaneously Monitors Three Supplies LTC1326: 5V, 3.3V and ADJ LTC1326-2.5: 2.5V, 3.3V and ADJ Guaranteed Threshold Accuracy: ±0.75% Low Supply Current: 20µA Internal Reset Time Delay: 200ms Manual Push-Button Reset Input Active Low and Active High Reset Outputs Active Low “Soft” Reset Output Power Supply Glitch Immunity Guaranteed RESET for VCC3 ≥ 1V or VCC5 ≥ 1V or VCC25 ≥ 1V 8-Pin SO and MSOP Packages

Backup Battery Controller with Fixed Output Features: Not Recommended For New Designs. Contact Analog Devices for Potential Replacement. Complete Battery Backup System in an SO-8, 16-Pin GN or SO Package Generates Fixed Backup Voltage (3.07V/4.63V) from a Single 1.2V NiCd Button Cell Automatic Main Supply to Backup Switching Minimum 100mW Output Power Automatic Fast Recharge of NiCd Battery Programmable NiCd Trickle Charge Current Smart NiCd Charger Minimizes Recharge Time and Maximizes System Efficiency After Backup Onboard Power-Up and Push-Button Reset Generator Performs VCC Supervisory Functions Reset Assertion Guaranteed at VCC = 1V Short-Circuit Protection Thermal Limiting

Very Low Noise, Low Distortion Active RC Quad Universal Filter Features: Continuous Time—No Clock Four 2nd Order Filter Sections, 20kHz to 300kHz Center Frequency Butterworth, Chebyshev, Elliptic or Equiripple Delay Response Lowpass, Bandpass, Highpass Responses 99dB Typical S/N, ±5V Supply (Q = 1) 93dB Typical S/N, Single 5V Supply (Q = 1) Rail-to-Rail Input and Output Voltages DC Accurate to 3mV (Typ) ±0.5% Typical Center Frequency Accuracy “Zero-Power” Shutdown Mode Single or Dual Supply, 5V to 10V Total Resistor-Programmable fO, Q, Gain

14-Bit SoftSpan DACs with Programmable Output Range Features: Six Programmable Output Ranges Unipolar Mode: 0V to 5V, 0V to 10V Bipolar Mode: ±5V, ±10V, ±2.5V, –2.5V to 7.5V 1LSB Max DNL and INL Over the Industrial Temperature Range Glitch Impulse < 2nV-s 16-Lead SSOP Package Power-On Reset to 0V Asynchronous Clear to 0V for All Ranges

OPERATIONAL AMPLIFIER, 1 FUNC, 180UV OFFSET-MAX, BIPOLAR, CDFP10

14-Bit Parallel Low Glitch Multiplying DAC with 4-Quadrant Resistors Features: True 14-Bit Performance Over Industrial Temperature Range DNL and INL: 1LSB Max On-Chip 4-Quadrant Resistors Allow Precise 0V to 10V, 0V to −10V or ±10V Outputs Pin Compatible 14- and 16-Bit Parts Asynchronous Clear Pin LTC1591/LTC1597: Reset to Zero Scale LTC1591-1/LTC1597-1: Reset to Midscale Glitch Impulse < 2nV-s 28-Lead SSOP Package Low Power Consumption: 10µW Typ Power-On Reset

Serial 16-Bit Multiplying DACs Features: SO-8 Package (LTC1595) DNL and INL: 1LSB Max Low Glitch Impulse: 1nV-s Typ Fast Settling to 1LSB: 2µs (with LT1468) Pin Compatible with Industry Standard 12-Bit DACs: DAC8043 DAC8143/AD7543 4-Quadrant Multiplication Low Supply Current: 10µA Max Power-On Reset LTC1595/LTC1596: Resets to Zero Scale LTC1596-1: Resets to Midscale 3-Wire SPI and MICROWIRE™ Compatible Serial Interface Daisy-Chain Serial Output (LTC1596) Asynchronous Clear Input LTC1596: Clears to Zero Scale LTC1596-1: Clears to Midscale

Serial 16-Bit Multiplying DACs Features: SO-8 Package (LTC1595) DNL and INL: 1LSB Max Low Glitch Impulse: 1nV-s Typ Fast Settling to 1LSB: 2µs (with LT1468) Pin Compatible with Industry Standard 12-Bit DACs: DAC8043 DAC8143/AD7543 4-Quadrant Multiplication Low Supply Current: 10µA Max Power-On Reset LTC1595/LTC1596: Resets to Zero Scale LTC1596-1: Resets to Midscale 3-Wire SPI and MICROWIRE™ Compatible Serial Interface Daisy-Chain Serial Output (LTC1596) Asynchronous Clear Input LTC1596: Clears to Zero Scale LTC1596-1: Clears to Midscale