18-Bit, 15Msps SAR ADC Features:15Msps Throughput RateNo Pipeline Delay, No Cycle Latency95.7dB SNR (Typ) at fIN = 1MHz102dB SFDR (Typ) at fIN = 1MHzNyquist Sampling Up to 7.5MHz InputGuaranteed 18-Bit, No Missing Codes±3LSB INL (Max)8.192VP-P Differential Inputs5V and 2.5V SuppliesInternal 20ppm/°C (Max) ReferenceSerial LVDS Interface125mW Power Dissipation32-Pin (5mm × 5mm) QFN Package

8-Channel, 16-Bit Voltage Output SoftSpan DAC Features: Eight independent SoftSpan DAC channels Independently programmable output ranges: 0 V to 5 V, 0 V to 10 V, ±5 V, ±10 V, ±15 V Full 16-bit resolution at all ranges Flexible single- or dual-supply operation Maximum INL error: ±3 LSB Precision 4.096 V reference, ±10 ppm/°C maximum A/B toggle or sinusoidal dither using up to 3 toggle pins Multiplexer for output voltage and load current sense Outputs drive ±55 mA guaranteed 6 mm × 6 mm, 40-lead LFCSP

20-Bit Power No Latency ADC in SO-8 Features: 20-Bit ADC in SO-8 Package 8ppm INL, No Missing Codes at 20 Bits 4ppm Full-Scale Error 0.5ppm Offset 1.2ppm Noise Digital Filter Settles in a Single Cycle. Each Conversion Is Accurate, Even After an Input Step Fast Mode: 16-Bit Noise, 12 Bits 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 Pin Compatible with 24-Bit LTC2400

12-Bit, 170Msps ADCs Features: Sample Rate: 170Msps/135Msps 67.5dB SNR up to 140MHz Input 80dB SFDR up to 170MHz Input 775MHz Full Power Bandwidth S/H Single 3.3V Supply Low Power Dissipation: 890mW/660mW LVDS, CMOS, or Demultiplexed CMOS Outputs Selectable Input Ranges: ±0.5V or ±1V No Missing Codes Optional Clock Duty Cycle Stabilizer Shutdown and Nap Modes Data Ready Output Clock Pin Compatible Family 185Msps: LTC2220-1 (12-Bit) 170Msps: LTC2220 (12-Bit), LTC2230 (10-Bit) 135Msps: LTC2221 (12-Bit), LTC2231 (10-Bit) 64-Pin 9mm × 9mm QFN Package

16-Bit Rail-to-Rail DACs in 10-Lead DFN Features: Smallest Pin-Compatible Single DACs: LTC2601: 16 Bits LTC2611: 14 Bits LTC2621: 12 Bits Guaranteed Monotonic Over Temperature Wide 2.5V to 5.5V Supply Range Low Power Operation: 300µA at 3V Power Down to 1µA, Max High Rail-to-Rail Output Drive (±15mA, Min) Double-Buffered Data Latches Asynchronous DAC Update Pin LTC2601-1/LTC2611-1/LTC2621-1: Power-On Reset to Midscale Tiny (3mm x 3mm) 10-Lead DFN Package

14-Bit, 25Msps Low Power 3V ADCs Features: Sample Rate: 65Msps/40Msps/25Msps Single 3V Supply (2.7V to 3.4V) Low Power: 205mW/120mW/75mW 74.3dB SNR 90dB SFDR No Missing Codes Flexible Input: 1VP-P to 2VP-P Range 575MHz Full Power Bandwidth S/H Clock Duty Cycle Stabilizer Shutdown and Nap Modes Pin Compatible Family 125Msps: LTC2253 (12-Bit), LTC2255 (14-Bit) 105Msps: LTC2252 (12-Bit), LTC2254 (14-Bit) 80Msps: LTC2229 (12-Bit), LTC2249 (14-Bit) 65Msps: LTC2228 (12-Bit), LTC2248 (14-Bit) 40Msps: LTC2227 (12-Bit), LTC2247 (14-Bit) 25Msps: LTC2226 (12-Bit), LTC2246 (14-Bit) 10Msps: LTC2225 (12-Bit), LTC2245 (14-Bit) 32-Pin (5mm × 5mm) QFN Package

14-Bit, 65Msps Low Power 3V ADCs Features: Sample Rate: 65Msps/40Msps/25Msps Single 3V Supply (2.7V to 3.4V) Low Power: 205mW/120mW/75mW 74.3dB SNR 90dB SFDR No Missing Codes Flexible Input: 1VP-P to 2VP-P Range 575MHz Full Power Bandwidth S/H Clock Duty Cycle Stabilizer Shutdown and Nap Modes Pin Compatible Family 125Msps: LTC2253 (12-Bit), LTC2255 (14-Bit) 105Msps: LTC2252 (12-Bit), LTC2254 (14-Bit) 80Msps: LTC2229 (12-Bit), LTC2249 (14-Bit) 65Msps: LTC2228 (12-Bit), LTC2248 (14-Bit) 40Msps: LTC2227 (12-Bit), LTC2247 (14-Bit) 25Msps: LTC2226 (12-Bit), LTC2246 (14-Bit) 10Msps: LTC2225 (12-Bit), LTC2245 (14-Bit) 32-Pin (5mm × 5mm) QFN Package

High Precision, Impedance & Electrochemical Front End Features: Analog input 16-bit ADC with both 800 kSPS and 1.6 MSPS options Voltage, current, and impedance measurement capability Internal and external current and voltage channels Ultralow leakage switch matrix and input mux Input buffers and programmable gain amplifier Voltage DACs Dual output voltage DAC with an output range of 0.2 V to 2.4 V 12-bit VBIAS0 output to bias potentiostat 6-bit VZERO0 output to bias TIA Ultra low power: 1 µA 1 high speed, 12-bit DAC Output range to sensor: ±607 mV Programmable gain amplifier on output with gain settings of 2 and 0.05 Amplifiers, accelerators, and references 1 low power, low noise potentiostat amplifier suitable for potentiostat bias in electrochemical sensing 1 low noise, low power TIA, suitable for measuring sensor current output 50 pA to 3 mA range Programmable load and gain resistors for sensor output Analog hardware accelerators Digital waveform generator Receive filters Complex impedance measurement (DFT) engine 1 high speed TIA to handle wide bandwidth input signals from 0.015 Hz up to 200 kHz Digital waveform generator for generation of sinusoid and trapezoid waveforms 2.5 V and 1.82 V internal reference voltage sources System level power savings Fast power-up and power-down analog blocks for duty cycling Programmable AFE sequencer to minimize workload of host controller 6 kB SRAM to preprogram AFE sequences Ultra low power potentiostat channel: 6.5 µAof current consumption when powered on and all other blocks in hibernate mode Smart sensor synchronization and data collection Cycle accurate control of sensor measurement Sequencer controlled GPIOs On-chip peripherals SPI serial input/output Wake-up timer Interrupt controller Power 2.8 V to 3.6 V supply 1.82 V input/output compliant Power-on reset Hibernate mode with low power DAC and potentiostat amplifier powered up to maintain sensor bias Package and temperature range 3.6 mm × 4.2 mm, 56-ball WLCSP 7 mm × 7 mm, 48-lead LFCSP Fully specified for operating temperature range of −40°C to +85°C AD5940 and AD5941 fully specified for operating temperature range of −40°C to +85°C AD5941W fully specified for operating temperature range of −40°C to +105°C AEC-Q100 qualified for automotive applications

1 MSPS, Ultralow Power 12-Bit ADC in 8-Lead LFCSP Features: Fast throughput rate: 1 MSPS Specified for VDD of 2.09 V to 5.25 V INL of ±1 LSB maximum Analog input range of 0 V to VDD Ultralow power 367 µA typical at 3 V and 1 MSPS 324 nA typical at 3 V in power-down mode Reference provided by VDD Flexible power/throughput rate management High speed serial interface: SPI®-/QSPI™-/MICROWIRE™-/DSP-compatible Busy indicator Power-down mode 8-lead, 2 mm × 2 mm LFCSP package Temperature range: −40°C to +125°C

24-Bit, 8-/16-Channel, 250 kSPS, Sigma-Delta ADC with True Rail-to-Rail Buffers Features: Fast and flexible output rate: 5 SPS to 250 kSPS Performance specifications 17.2 noise free bits at 250 kSPS 20.2 noise free bits at 2.5 kSPS 24 noise free bits at 20 SPS INL: ±1 ppm of FSR 85 dB filter rejection of 50 Hz and 60 Hz with 50 ms settling 85 dB filter rejection of 50 Hz and 60 Hz with 50 ms settling User configurable input channels 8 fully differential channels or 16 single-ended channels Crosspoint multiplexer Channel scan data rate of 50 kSPS/channel (20 ìs settling) On-chip 2.5 V reference (±2 ppm/°C drift) True rail-to-rail analog and reference input buffers Internal or external clock Power supply: AVDD1 − AVSS = 5 V, AVDD2 = IOVDD = 2 V to 5 V (nominal) Split supply with AVDD1/AVSS at ±2.5 V ADC current: 8.4 mA Temperature range: −40°C to +105°C 3- or 4-wire serial digital interface (Schmitt trigger on SCLK) Serial port interface (SPI), QSPI, MICROWIRE, and DSP compatible