Isolated Sigma-Delta Modulator Features: 10 MHz clock rate Second-order modulator 16 bits no missing codes ±2 LSB INL typical at 16 bits 1.5 μV/°C typical offset drift On-board digital isolator 8-lead surface-mount PDIP package with gull wing leads and 16-lead SOIC package See Data Sheet for Additional Information

16-Bit, Isolated Sigma-Delta Modulator Features: 10 MHz internal clock rate 16 bits, no missing codes Signal-to-noise ratio (SNR): 87 dB typical Effective number of bits (ENOB): 13.5 bits typical Typical offset drift vs. temperature: 1.7 µV/°C On-board digital isolator On-board reference Full-scale analog input range: ±320 mV −40°C to +105°C operating range High common-mode transient immunity: >25 kV/µs 8-lead, wide-body SOIC, with increased creepage package Slew rate limited output for low electromagnetic interference (EMI)

16-Channel, 1 MSPS, 12-Bit ADC with Sequencer Features: Fast throughput rate: 1 MSPS Specified for VDD of 2.7 V to 5.25 V Low power at maximum throughput rates 5.4 mW maximum at 870 kSPS with 3 V supplies 12.5 mW maximum at 1 MSPS with 5 V supplies 16 (single-ended) inputs with sequencer Wide input bandwidth: 69.5 dB SNR at 50 kHz input frequency Flexible power/serial clock speed management No pipeline delays High speed serial interface, SPI/QSPI™/MICROWIRE™/ DSP compatible Full shutdown mode: 0.5 μA maximum 28-lead TSSOP and 32-lead LFCSP packages AEC-Q100 qualified for automotive applicationsAD7490-EP supports defense and aerospace applications (AQEC standard) Download AD7490-EP Data Sheet (pdf) Military temperature range (−55°C to +125°C) Controlled manufacturing baseline One assembly/test site One fabrication site Enhanced product change notification Qualification data available on request V62/12635 DSCC Drawing Number

CMOS, 12-Bit Serial DACPORT Features: 12-Bit CMOS DAC with On-Chip Voltage Reference Output Amplifier Three Selectable Output Ranges -5 V to + 5 V, 0 V to +5 V, 0 V to +10 V Serial Interface 300 kHz DAC Update Rate Small Size: 16-Lead DIP or SOIC Nonlinearity: ±1/2 LSB Tmin to Tmax Low Power Dissipation: 100 mW Typical  

Single-Channel, 3 V Front-End Processor for General Purpose Applications Including Speech and Telephony Features: 16-Bit A/D Converters 16-Bit D/A Converters Programmable Input/Output Sample Rates 75 dB ADC SNR 70 db DAC SNR 64 ksps Maximum Sample Rate -90 db Crosstalk Programmable Input/Output Gain Low group Delay (25 µs per ADC ch, 50 µs per DAC ch) Flexible Serial Port Allows Up to 4 Codecs To Be Connected in Cascade Giving 8 I/O Channels Single 2.7 V to 3.3 V Supply Operation 50 mW Max Power Dissipation at 2.7 V 20-Lead SOIC/SSOP/TSSOP Packages

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

14-Bit, 80Msps Ultra-Low Power 1.8V ADCs Features: 73.4dB SNR 85dB SFDR Low Power: 127mW/106mW/89mW Single 1.8V Supply CMOS, DDR CMOS or DDR LVDS Outputs Selectable Input Ranges: 1VP-P to 2VP-P 800MHz Full-Power Bandwidth S/H Optional Data Output Randomizer Optional Clock Duty Cycle Stabilizer Shutdown and Nap Modes Serial SPI Port for Configuration Pin Compatible 14-Bit and 12-Bit Versions 40-Pin (6mm × 6mm) QFN Package

12-Bit, 105Msps Ultralow Power 1.8V ADCs Features: 70.8dB SNR 85dB SFDR Low Power: 124mW/103mW/87mW Single 1.8V Supply CMOS, DDR CMOS or DDR LVDS Outputs Selectable Input Ranges: 1VP-P to 2VP-P 800MHz Full-Power Bandwidth S/H Optional Data Output Randomizer Optional Clock Duty Cycle Stabilizer Shutdown and Nap Modes Serial SPI Port for Configuration Pin Compatible 14-Bit and 12-Bit Versions 40-Pin (6mm × 6mm) QFN Package

Octal 12-/10-/8-Bit SPI VOUT DACs with 10ppm/C Reference Features: Integrated Precision Reference 2.5V Full-Scale 10ppm/°C (LTC2636-L) 4.096V Full-Scale 10ppm/°C (LTC2636-H) Maximum INL Error: 2.5LSB (LTC2636-12) Low Noise: 0.75mVP-P 0.1Hz to 200KHz Guaranteed Monotonic Over –40°C to 125°C Temperature Range Selectable Internal or External Reference 2.7V to 5.5V Supply Range (LTC2636-L) Ultralow Crosstalk Between DACs (<2.4nV•s) Low Power: 0.9mA at 3V (LTC2636-L) Power-On-Reset to Zero-Scale/Mid-Scale Double-Buffered Data Latches Tiny 14-Lead 4mm × 3mm DFN and 16-Lead MSOP Packages

Differential Ultra-Tiny, 16-Bit I2C ADCs with 10ppm/C Max Precision Reference Features: 16-Bit Resolution, No Missing Codes Internal Reference, High Accuracy 10ppm/°C (Max) Single-Ended (LTC2461) or Differential (LTC2463) 2LSB Offset Error (Typ) 0.01% Gain Error (Typ) 60 Conversions Per Second Single Conversion Settling Time for Multiplexed Applications 1.5mA Supply Current 200nA Sleep Current Internal Oscillator—No External Components Required 2-Wire I2C Interface with Two Addresses Plus One Global Address for Synchronization Ultra-Tiny, 12-Lead, 3mm × 3mm DFN and MSOP Packages