Low Power, 24-Bit, 31.25 kSPS, Sigma-Delta ADC with True Rail-to-Rail Buffers Features: Fast and flexible output rate: 1.25 SPS to 31.25 kSPS Channel scan data rate of 6.21 kSPS/channel (161 µs settling) Performance specifications 17.2 noise free bits at 31.25 kSPS 24 noise free bits at 5 SPS INL: ±2 ppm of FSR 85 dB rejection of 50 Hz and 60 Hz with 50 ms settling User configurable input channels 2 fully differential channels or 4 single-ended channels Crosspoint multiplexer On-chip 2.5 V reference (±2 ppm/°C drift) True rail-to-rail analog and reference input buffers Internal or external clock See data sheet for additional features

4-Channel, Low Noise, Low Power, 24-Bit, Sigma-Delta ADC with PGA and Reference Features: Three power modes RMS noise Low power: 24 nV rms at 1.17 SPS, gain = 128 (255 μA typical) Mid power: 20 nV rms at 2.34 SPS, gain = 128 (355 μA typical) Full power: 23 nV rms at 9.4 SPS, gain = 128 (930 μA typical) Up to 22 noise free bits in all power modes (gain = 1) Output data rate Full power: 9.38 SPS to 19,200 SPS Mid power: 2.34 SPS to 4800 SPS Low power: 1.17 SPS to 2400 SPS Rail-to-rail analog inputs for gains > 1 Simultaneous 50 Hz/60 Hz rejection at 25 SPS (single cycle settling) Diagnostic functions (which aid safe integrity level (SIL) certification Crosspoint multiplexed analog inputs 4 differential/7 pseudo differential inputs Programmable gain (1 to 128) Band gap reference with 10 ppm/°C drift maximum (70 μA) Matched programmable excitation currents Internal clock oscillator On-chip bias voltage generator Low-side power switch General-purpose outputs Multiple filter options Internal temperature sensor Self and system calibration Sensor burnout detection Automatic channel sequencer Per channel configuration Power supply: 2.7 V to 3.6 V and ±1.8 V Independent interface power supply Power-down current: 5 μA maximum Temperature range: −40°C to +125°C 32-lead LFCSP/24-lead TSSOP 3-wire or 4-wire serial interface SPI, QSPI, MICROWIRE, and DSP compatible Schmitt trigger on SCLK ESD: 4 kVAD7124-4-EP Supports defense and aerospace applications (AQEC standard) Download AD7124-4-EP Data Sheet (PDF) Full military temperature range: −55°C to +125°C Controlled manufacturing baseline 1 assembly/test site 1 fabrication site Product change notification Qualification data available on request V62/19614

Quad 16-/12-Bit Rail-to-Rail DACs with 10ppm/C Max Reference Features: Precision Reference 10ppm/°C Max Maximum INL Error: ±4LSB at 16-Bits Low ±2mV (Max) Offset Error Guaranteed Monotonic Over Temperature Selectable Internal or External Reference 2.7V to 5.5V Supply Range (LTC2654-L) Integrated Reference Buffers Ultralow Crosstalk Between DACs (<3nV•s) Power-on-Reset to Zero-Scale/Mid-Scale Asynchronous DAC Update Pin Tiny 20-Lead 4mm × 4mm QFN and 16-Lead Narrow SSOP Packages

Quad I2C 16-/12-Bit Rail-to-Rail DACs with 10ppm/C Max Reference Features: Integrated Reference 10ppm/°C Max Maximum INL Error: ±4LSB at 16 Bits Guaranteed Monotonic Over Temperature Selectable Internal or External Reference 2.7V to 5.5V Supply Range (LTC2655-L) Integrated Reference Buffers Ultralow Crosstalk Between DACs (<1nV•s) Power-On-Reset to Zero-Scale/Mid-Scale Asynchronous DAC Update Pin Tiny 20-Lead 4mm × 4mm QFN and 16-Lead Narrow SSOP packages

18-Bit, 500ksps, Pseudo-Differential Unipolar SAR ADC with 97dB SNR Features: 500ksps Throughput Rate ±2.5LSB INL (Max) Guaranteed 18-Bit No Missing Codes Low Power: 6.8mW at 500ksps, 6.8μW at 500sps 97dB SNR (Typ) at fIN = 2kHz –120dB THD (Typ) at fIN = 2kHz Guaranteed Operation to 125°C 2.5V Supply Pseudo-Differential Unipolar Input Range: 0V to VREF VREF Input Range from 2.5V to 5.1V No Pipeline Delay, No Cycle Latency 1.8V to 5V I/O Voltages SPI-Compatible Serial I/O with Daisy-Chain Mode Internal Conversion Clock 16-Lead MSOP and 4mm × 3mm DFN Packages

18-Bit, 250ksps, Pseudo-Differential Unipolar SAR ADC with 97dB SNR Features: 250ksps Throughput Rate ±2.5LSB INL (Max) Guaranteed 18-Bit No Missing Codes Low Power: 3.4mW at 250ksps, 3.4μW at 250sps 97dB SNR (Typ) at fIN = 2kHz –120dB THD (Typ) at fIN = 2kHz Guaranteed Operation to 125°C 2.5V Supply Pseudo-Differential Unipolar Input Range: 0V to VREF VREF Input Range from 2.5V to 5.1V No Pipeline Delay, No Cycle Latency 1.8V to 5V I/O Voltages SPI-Compatible Serial I/O with Daisy-Chain Mode Internal Conversion Clock 16-Lead MSOP and 4mm × 3mm DFN Packages

16-Bit, 500ksps, 10.24V True Bipolar, Pseudo-Differential Input ADC with 93.5dB SNR Features: 500ksps Throughput Rate ±1.5LSB INL (Max) Guaranteed 16-Bit No Missing Codes Pseudo-Differential Inputs True Bipolar Input Ranges ±6.25V, ±10.24V, ±12.5V 93.5dB SNR (Typ) at fIN = 2kHz –111dB THD (Typ) at fIN = 2kHz Guaranteed Operation to 125°C Single 5V Supply Low Drift (20ppm/°C Max) 2.048V Internal Reference On-board Single-Shot Capable Reference Buffer No Pipeline Delay, No Cycle Latency 1.8V to 5V I/O Voltages SPI-Compatible Serial I/O with Daisy-Chain Mode Internal Conversion Clock Power Dissipation 36mW (Typ) 16-Lead MSOP Package

16-/14-/11-Bit 2.7Gsps DACs Features:80dBc SFDR at 50MHz fOUT>68dBc SFDR from DC to 1080MHz fOUT40mA Nominal Full-Scale, ±1V Output Compliant10mA to 60mA Adjustable Full-Scale Current RangeSingle or Dual Port DDR LVDS and DHSTL InterfaceLow Latency (7.5 Cycles for Single Port, 11 Cycles for Dual Port)>78dBc 2-Tone IMD from DC to 1000MHz fOUT–156dBc/Hz Additive Phase Noise at 1MHz Offset for 65MHz fOUT170-Lead (9mm × 15mm) BGA Package

16-/14-/11-Bit 2.7Gsps DACs Features:80dBc SFDR at 50MHz fOUT>68dBc SFDR from DC to 1080MHz fOUT40mA Nominal Full-Scale, ±1V Output Compliant10mA to 60mA Adjustable Full-Scale Current RangeSingle or Dual Port DDR LVDS and DHSTL InterfaceLow Latency (7.5 Cycles for Single Port, 11 Cycles for Dual Port)>78dBc 2-Tone IMD from DC to 1000MHz fOUT–156dBc/Hz Additive Phase Noise at 1MHz Offset for 65MHz fOUT170-Lead (9mm × 15mm) BGA Package

Quad 12-Bit Serial Voltage Output DAC Features: Guaranteed monotonic over temperature Excellent matching between DACs Unipolar or bipolar operation Buffered voltage outputs High speed serial digital interface Reset-to-zero scale or midscale Wide supply range, +5 V only to ±15 V Low power consumption (35 mW maximum) Available in 16-Lead PDIP, SOIC, and CERDIP packages