Microprocessor Supervisory Circuits Features: Guaranteed Reset Assertion at VCC = 1V 1.5mA Maximum Supply Current Fast (35ns Max) Onboard Gating of RAM Chip Enable Signals SO-8 and S16 Packaging 4.65V Precision Voltage Monitor Power OK/Reset Time Delay: 50ms, 200ms or Adjustable Minimum External Component Count 1μA Maximum Standby Current Voltage Monitor for Power-Fail or Low Battery Warning Thermal Limiting Performance Specified Over Temperature Superior Upgrade for MAX690 Family

Dual Matched, High Frequency Bandpass/Lowpass Filters Features: Matched Dual Filter/Driver, Ideal for RFID Readers Guaranteed Phase Matching to Within 2 Degrees Guaranteed Gain Matching to Within 0.2dB Configurable as Lowpass or Bandpass: Programmable 5th Order Lowpass: 42kHz to 900kHz Programmable 4th Order Highpass: 4.2kHz to 90kHz Programmable Gain: 1×, 4×, 16×, 32× Simple Pin Programming or SPI Interface Low Noise: –145dBm/Hz (Input Referred) Low Distortion: –75dBc at 200kHz Differential, Rail-to-Rail Inputs and Outputs Input Range Extends from 0V to 5V Low Voltage Operation: 2.7V to 3.6V Shutdown Mode 4mm × 4mm QFN Package

1kHz 68MHz Serial Port Programmable Oscillator Features: 1kHz to 68MHz Square Wave Output 0.5% (Typ) Initial Frequency Accuracy Frequency Error <1.1% Over All Settings 10ppm/°C Typical Frequency Drift Over Temperature 0.1% Resolution 1.7mA Typical Supply Current (f < 1MHz, VS = 2.7V) 2.7V to 5.5V Single Supply Operation Jitter <0.4% Typical 1kHz to 8MHz Easy to Use SPI (LTC6903) or I2C (LTC6904) Serial Interface Output Enable Pin –55°C to 125°C Operation MS8 Package

Micropower, 40kHz to 4MHz Resistor Set Oscillator in SOT-23 Features: Supply Current: 36µA at 400kHz 1% Frequency Accuracy (from 0°C to 70°C) Frequency Range: 40kHz to 4MHz One Resistor Sets the Oscillator Frequency –40°C to 125°C Operating Temperature Range Start-Up Time Under 200µs at 4MHz First Cycle After Power-Up is Accurate 150 CMOS Output Driver Low Profile (1mm) SOT-23 (ThinSOTTM) Package

Dual Programmable Gain Amplifiers with Serial Digital Interface Features: 2 Channels with Independent Gain Control LTC6912-1: (0, 1, 2, 5, 10, 20, 50, and 100V/V) LTC6912-2: (0, 1, 2, 4, 8, 16, 32, and 64V/V) Offset Voltage = 2mV Max (–40°C to 85°C) Channel-to-Channel Gain Matching of 0.1dB Max 3-Wire SPITM Interface Extended Gain-Bandwidth at High Gains Wired-OR Outputs Possible (2:1 Analog MUX Function) Low Power Hardware Shutdown (GN-16 Only, 2µA Max at 2.7V) Rail-to-Rail Input Range Rail-to-Rail Output Swing Single or Dual Supply: 2.7V to 10.5V Total Input Noise: 12.6nV/√Hz Total System Dynamic Range to 115dB 16-Pin GN (SSOP) or 12-Pin DFN Package Options

Dual Programmable Gain Amplifiers with Serial Digital Interface Features: 2 Channels with Independent Gain Control LTC6912-1: (0, 1, 2, 5, 10, 20, 50, and 100V/V) LTC6912-2: (0, 1, 2, 4, 8, 16, 32, and 64V/V) Offset Voltage = 2mV Max (–40°C to 85°C) Channel-to-Channel Gain Matching of 0.1dB Max 3-Wire SPITM Interface Extended Gain-Bandwidth at High Gains Wired-OR Outputs Possible (2:1 Analog MUX Function) Low Power Hardware Shutdown (GN-16 Only, 2µA Max at 2.7V) Rail-to-Rail Input Range Rail-to-Rail Output Swing Single or Dual Supply: 2.7V to 10.5V Total Input Noise: 12.6nV/√Hz Total System Dynamic Range to 115dB 16-Pin GN (SSOP) or 12-Pin DFN Package Options

Precision Zero Drift Current Sense Amplifier Features: Supply Range: 4V to 60V, 70V Maximum (LTC6102) 5V to 100V, 105V Maximum (LTC6102HV) ±10μV Input Offset Maximum ±50nV/°C Input Offset Drift Maximum Fast Response: 1μs Step Response Gain Configurable with Two Resistors Low Input Bias Current: 3nA Maximum PSRR 130dB Minimum Output Currents up to 1mA Operating Temperature Range: –40°C to 125°C Disable Mode (LTC6102-1 Only): 1μA Maximum Available in 8-Lead MSOP and 3mm × 3mm DFN Packages

Precision Zero Drift Current Sense Amplifier Features: Supply Range: 4V to 60V, 70V Maximum (LTC6102) 5V to 100V, 105V Maximum (LTC6102HV) ±10μV Input Offset Maximum ±50nV/°C Input Offset Drift Maximum Fast Response: 1μs Step Response Gain Configurable with Two Resistors Low Input Bias Current: 3nA Maximum PSRR 130dB Minimum Output Currents up to 1mA Operating Temperature Range: –40°C to 125°C Disable Mode (LTC6102-1 Only): 1μA Maximum Available in 8-Lead MSOP and 3mm × 3mm DFN Packages

Precision Zero Drift Current Sense Amplifier Features: Supply Range: 4V to 60V, 70V Maximum (LTC6102) 5V to 100V, 105V Maximum (LTC6102HV) ±10μV Input Offset Maximum ±50nV/°C Input Offset Drift Maximum Fast Response: 1μs Step Response Gain Configurable with Two Resistors Low Input Bias Current: 3nA Maximum PSRR 130dB Minimum Output Currents up to 1mA Operating Temperature Range: –40°C to 125°C Disable Mode (LTC6102-1 Only): 1μA Maximum Available in 8-Lead MSOP and 3mm × 3mm DFN Packages

Precision Zero Drift Current Sense Amplifier Features: Supply Range: 4V to 60V, 70V Maximum (LTC6102) 5V to 100V, 105V Maximum (LTC6102HV) ±10μV Input Offset Maximum ±50nV/°C Input Offset Drift Maximum Fast Response: 1μs Step Response Gain Configurable with Two Resistors Low Input Bias Current: 3nA Maximum PSRR 130dB Minimum Output Currents up to 1mA Operating Temperature Range: –40°C to 125°C Disable Mode (LTC6102-1 Only): 1μA Maximum Available in 8-Lead MSOP and 3mm × 3mm DFN Packages