Isolated Secondary Synchronous Rectifier Controller Features: High Efficiency Over Wide Load Current Range ±0.8% Output Voltage Accuracy Dual N-Channel MOSFET Synchronous Drivers Pulse Transformer Synchronization Optocoupler Feedback Driver Programmable Current Limit Protection ±5% Margin Output Voltage Adjustment Adjustable Overvoltage Fault Protection Power Good Flag Auxiliary 3.3V Logic Supply Available in 16-Lead SSOP and SO Packages

16-Bit, 250ksps, Low Power SAR ADC with 97dB SNR Features:250ksps Throughput Rate±0.5LSB INL (Max)Guaranteed 16-Bit No Missing CodesLow Power: 3.4mW at 250ksps, 3.4μW at 250sps97dB SNR (Typ) at fIN = 2kHz–125dB THD (Typ) at fIN = 2kHzDigital Gain Compression (DGC)Guaranteed Operation to 125°C2.5V SupplyFully Differential Input Range ±VREFVREF Input Range from 2.5V to 5.1VNo Pipeline Delay, No Cycle Latency1.8V to 5V I/O VoltagesSPI-Compatible Serial I/O with Daisy-Chain ModeInternal Conversion Clock16-Lead MSOP and 4mm × 3mm DFN Packages

16-Bit, 250ksps SAR ADC with 94dB SNR Features: 250ksps Throughput Rate ±2LSB INL (Max) Guaranteed 16-Bit No Missing Codes 94dB SNR (Typ) at fIN = 20kHz Guaranteed Operation to 125°C Single 5V Supply 1.8V to 5V I/O Voltages 95mW Power Dissipation ±4.096V Differential Input Range Internal Reference (20ppm/°C Max) No Pipeline Delay, No Cycle Latency Parallel and Serial Interface Internal Conversion Clock 48-Pin 7mm × 7mm LQFP and QFN Packages

2-Channel 24-Bit Power No Latency ADCs in MSOP-10 Features: 24-Bit ADCs in Tiny MSOP-10 Packages 4ppm INL, No Missing Codes 4ppm Full-Scale Error 0.5ppm Offset 0.6ppm Noise Single Conversion Settling Time for Multiplexed Applications 1- or 2-Channel Inputs Automatic Channel Selection (Ping-Pong) (LTC2402) Zero Scale and Full Scale Set for Reference and Ground Sensing Internal Oscillator—No External Components Required 110dB Min, 50Hz/60Hz Notch Filter Reference Input Voltage: 0.1V to VCC Live Zero—Extended Input Range Accommodates12.5% Overrange and Underrange Single Supply 2.7V to 5.5V Operation Low Supply Current (200µA) and Auto Shutdown

24-Bit No Latency ADC with Differential Input and Differential Reference Features: Differential Input and Differential Reference with GND to VCC Common Mode Range 2ppm INL, No Missing Codes 2.5ppm Full-Scale Error 0.1ppm Offset 0.16ppm Noise Single Conversion Settling Time for Multiplexed Applications Internal Oscillator—No External Components Required 110dB Min, 50Hz/60Hz Notch Filter 24-Bit ADC in Narrow SSOP-16 Package (SO-8 Footprint) Single Supply 2.7V to 5.5V Operation Low Supply Current (200µA) and Auto Shutdown Fully Differential Version of LTC2400

24-Bit No Latency ADC with Differential Input and Differential Reference Features: Differential Input and Differential Reference with GND to VCC Common Mode Range 2ppm INL, No Missing Codes 2.5ppm Full-Scale Error 0.1ppm Offset 0.16ppm Noise Single Conversion Settling Time for Multiplexed Applications Internal Oscillator—No External Components Required 110dB Min, 50Hz/60Hz Notch Filter 24-Bit ADC in Narrow SSOP-16 Package (SO-8 Footprint) Single Supply 2.7V to 5.5V Operation Low Supply Current (200µA) and Auto Shutdown Fully Differential Version of LTC2400

2-Channel Differential Input 24-Bit No Latency ADC Features: 2-Channel Differential Input with Automatic Channel Selection (Ping-Pong) Low Supply Current: 200µA, 4µA in Autosleep Differential Input and Differential Reference with GND to VCC Common Mode Range 2ppm INL, No Missing Codes 2.5ppm Full-Scale Error and 0.1ppm Offset 0.16ppm Noise, 22.5 Effective Number of Bits No Latency: Digital Filter Settles in a Single Cycle and Each Channel Conversion is Accurate Internal Oscillator—No External Components Required 110dB Min, 50Hz or 60Hz Notch Filter Narrow SSOP-16 Package Single Supply 2.7V to 5.5V Operation

8-/16-Channel 24-Bit No Latency ADCs Features: 8-/16-Channel Single-Ended or 4-/8-Channel Differential Inputs (LTC2414/LTC2418) Low Supply Current (200µA, 4µA Autosleep) Differential Input and Differential Reference with GND to VCC Common Mode Range 2ppm INL, No Missing Codes 2.5ppm Full-Scale Error and 0.5ppm Offset 0.2ppm Noise No Latency: Digital Filter Settles in a Single Cycle. Each Conversion Is Accurate, Even After a New Channel is Selected Single Supply 2.7V to 5.5V Operation Internal Oscillator—No External Components Required 110dB Min, 50Hz/60Hz Notch Filter

4-/8-Channel 20-Bit Power No Latency ADCs Features: Pin Compatible 4-/8-Channel 20-Bit ADCs 8ppm INL, No Missing Codes at 20 Bits 4ppm Full-Scale Error and 0.5ppm Offset 1.2ppm Noise Digital Filter Settles in a Single Cycle. Each Conversion is Accurate, Even After Changing Channels Fast Mode: 16-Bit Noise, 12-Bit TUE at 100sps Internal Oscillator—No External Components Required 110dB Min, 50Hz/60Hz Notch Filter Reference Input Voltage: 0.1V to VCC Live Zero—Extended Input Range Accommodates 12.5% Overrange and Underrange Single Supply 2.7V to 5.5V Operation Low Supply Current (200µA) and Auto Shutdown Can Be Interchanged with 24-Bit LTC2404/LTC2408 if ZSSET Pin is Grounded

24-Bit High Speed 8-Channel ADCs with Selectable Multiple Reference Inputs Features: Five Selectable Differential Reference Inputs Four Differential/Eight Single-Ended Inputs 4-Way MUX for Multiple Ratiometric Measurements Up to 8kHz Output Rate Up to 4kHz Multiplexing Rate Selectable Speed/Resolution: 2µVRMS Noise at 1.76kHz Output Rate 200nVRMS Noise at 13.8Hz Output Rate with Simultaneous 50/60Hz Rejection Guaranteed Modulator Stability and Lock-Up Immunity for any Input and Reference Conditions 0.0005% INL, No Missing Codes Autosleep Enables 20µA Operation at 6.9Hz <5µV Offset (4.5V < VCC < 5.5V, –40°C to 85°C) Differential Input and Differential Reference with GND to VCC Common Mode Range No Latency Mode, Each Conversion is Accurate Even After a New Channel is Selected Internal Oscillator—No External Components LTC2447 Includes MUXOUT/ADCIN for External Buffering or Gain Tiny QFN 5mm x 7mm Package

Ultra-Tiny, 16-Bit ADCs with 10ppm/C Max Precision Reference Features: 16-Bit Resolution, No Missing Codes Internal Reference, High Accuracy 10ppm/°C (Max) Single-Ended (LTC2460) or Differential (LTC2462) 2LSB Offset Error 0.01% Gain Error 60 Conversions Per Second Single Conversion Settling Time for Multiplexed Applications Single-Cycle Operation with Auto Shutdown 1.5mA Supply Current 2μA (Max) Sleep Current Internal Oscillator—No External Components Required SPI Interface Ultra-Tiny 12-Lead 3mm × 3mm DFN and MSOP Packages

Selectable 208sps/833sps, 16-Bit ADCs with 10ppm/C Max Precision Reference Features: 16-Bit Resolution Internal, High Accuracy Reference—10ppm/°C (Max) Single-Ended (LTC2470) or Differential (LTC2472) Selectable 208sps/833sps Output Rate 1mV Offset Error 0.01% Gain Error Single Conversion Settling Time for Multiplexed Applications Single-Cycle Operation with Auto Shutdown 3.5mA (Typ) Supply Current 2μA (Max) Sleep Current Internal Oscillator—No External Components Required SPI Interface Small 12-Lead, 3mm × 3mm DFN and MSOP Packages

Selectable 208sps/833sps, 16-Bit I2C ADCs with 10ppm/C Max Precision Reference Features: 16-Bit Resolution Internal, High Accuracy Reference—10ppm/°C (Max) Single-Ended (LTC2471) or Differential (LTC2473) Selectable 208sps/833sps Output Rate 1mV Offset Error 0.01% Gain Error Single Conversion Settling Time Simplifies Multiplexed Applications Single-Cycle Operation with Auto Shutdown 3.5mA (Typ) Supply Current 2μA (Max) Sleep Current Internal Oscillator—No External Components Required I2C Interface Small 12-Lead, 3mm × 3mm DFN and MSOP Packages

Selectable 208sps/833sps, 16-Bit I2C ADCs with 10ppm/C Max Precision Reference Features: 16-Bit Resolution Internal, High Accuracy Reference—10ppm/°C (Max) Single-Ended (LTC2471) or Differential (LTC2473) Selectable 208sps/833sps Output Rate 1mV Offset Error 0.01% Gain Error Single Conversion Settling Time Simplifies Multiplexed Applications Single-Cycle Operation with Auto Shutdown 3.5mA (Typ) Supply Current 2μA (Max) Sleep Current Internal Oscillator—No External Components Required I2C Interface Small 12-Lead, 3mm × 3mm DFN and MSOP Packages

Selectable 208sps/833sps, 16-Bit I2C ADCs with 10ppm/C Max Precision Reference Features: 16-Bit Resolution Internal, High Accuracy Reference—10ppm/°C (Max) Single-Ended (LTC2471) or Differential (LTC2473) Selectable 208sps/833sps Output Rate 1mV Offset Error 0.01% Gain Error Single Conversion Settling Time Simplifies Multiplexed Applications Single-Cycle Operation with Auto Shutdown 3.5mA (Typ) Supply Current 2μA (Max) Sleep Current Internal Oscillator—No External Components Required I2C Interface Small 12-Lead, 3mm × 3mm DFN and MSOP Packages

Selectable 208sps/833sps, 16-Bit I2C ADCs with 10ppm/C Max Precision Reference Features: 16-Bit Resolution Internal, High Accuracy Reference—10ppm/°C (Max) Single-Ended (LTC2471) or Differential (LTC2473) Selectable 208sps/833sps Output Rate 1mV Offset Error 0.01% Gain Error Single Conversion Settling Time Simplifies Multiplexed Applications Single-Cycle Operation with Auto Shutdown 3.5mA (Typ) Supply Current 2μA (Max) Sleep Current Internal Oscillator—No External Components Required I2C Interface Small 12-Lead, 3mm × 3mm DFN and MSOP Packages

16-Bit ADC with Easy Drive Input Current Cancellation Features:Extended Temperature Range of –40°C to 125°CEasy Drive Technology Enables Rail-to-Rail Inputs with Zero Differential Input CurrentDirectly Digitizes High Impedance Sensors with Full AccuracyProgrammable Gain from 1 to 256GND to VCC Input/Reference Common Mode RangeProgrammable 50Hz, 60Hz or Simultaneous 50Hz/60Hz Rejection Mode2ppm (0.25LSB) INL, No Missing Codes1ppm Offset and 15ppm Full-Scale ErrorSelectable 2x Speed Mode (15Hz Using Internal Oscillator)No Latency: Digital Filter Settles in a Single CycleSingle Supply 2.7V to 5.5V OperationInternal OscillatorAvailable in a Tiny (3mm × 3mm) 10-Lead DFN Package and 10-Lead MSOP Package

16-Bit ADC with Easy Drive Input Current Cancellation and IC Interface Features: Easy Drive™ Technology Enables Rail-to-Rail Inputs with Zero Differential Input Current Directly Digitizes High Impedance Sensors with Full Accuracy Programmable Gain from 1 to 256 GND to VCC Input/Reference Common Mode Range 2-Wire I2C Interface Programmable 50Hz, 60Hz or Simultaneous 50Hz/60Hz Rejection Mode 2ppm (0.25LSB) INL, No Missing Codes 1ppm Offset and 15ppm Full-Scale Error Selectable 2x Speed Mode No Latency: Digital Filter Settles in a Single Cycle Single Supply 2.7V to 5.5V Operation Internal Oscillator Six Addresses Available and One Global Address for Synchronization Available in a Tiny (3mm × 3mm) 10-Lead DFN Package

16-Bit ADC with Easy Drive Input Current Cancellation and I2C Interface Features: Easy Drive™ Technology Enables Rail-to-Rail Inputs with Zero Differential Input Current Directly Digitizes High Impedance Sensors with Full Accuracy 600nVRMS Noise, Independent of VREF GND to VCC Input/Reference Common Mode Range 2-Wire I2C Interface Simultaneous 50Hz/60Hz Rejection 2ppm (0.25 LSB) INL, No Missing Codes 1ppm Offset and 15ppm Full-Scale Error No Latency: Digital Filter Settles in a Single Cycle Single Supply 2.7V to 5.5V Operation Internal Oscillator Six Addresses Available Available in a Tiny (3mm × 3mm) 10-Lead DFN Package

24-Bit ADC with Easy Drive Input Current Cancellation Features: Easy Drive Technology Enables Rail-to-Rail Inputs with Zero Differential Input Current Directly Digitizes High Impedance Sensors with Full Accuracy 600nVRMS Noise GND to VCC Input/Reference Common Mode Range Programmable 50Hz, 60Hz or Simultaneous 50Hz/60Hz Rejection Mode 2ppm INL, No Missing Codes 1ppm Offset and 15ppm Total Unadjusted Error Selectable 2× Speed Mode (15Hz Using Internal Oscillator) No Latency: Digital Filter Settles in a Single Cycle Single Supply 2.7V to 5.5V Operation Internal Oscillator Available in a Tiny (3mm × 3mm) 10-Lead DFN Package