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AD7988-1 Datasheet

AD7988-1 Datasheet

16-Bit Lower Power PulSAR ADCs in MSOP/LFCSP
Part No.: AD7988-1
Page: 24 Pages
Size: 578 KB
Manufacturer: Analog Devices, Inc.
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Views: 2
Update Time: 2025-02-14 16:20:21
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AD7988-1 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
AD7988-1BRMZ Tube 50 C7E 1 10 -40°C ~ 125°C 10-Lead MSOP  
AD7988-1BRMZ-RL7 Reel 1000 C7E 1 10 -40°C ~ 125°C 10-Lead MSOP  
AD7988-1BCPZ-RL Reel 5000 C7X 3 10 -40°C ~ 125°C 10-Lead LFCSP  
AD7988-1BCPZ-RL7 Reel 1500 C7X 3 10 -40°C ~ 125°C 10-Lead LFCSP  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

AD7988-1 Datasheet(PDF)

AD7988-1 Datasheet(Picture)

AD7988-1 Features

  • High performance
    • Pseudo differential analog input range 0 V to VREF with VREF from 2.5 V to 5.0 V
    • Throughput: 500 kSPS/100 kSPS options Zero latency architecture
    • 16-bit resolution with no missing codes
    • INL: ±0.6 LSB typical, ±1.25 LSB maximum
    • Dynamic range: 92 dB, VREF = 5 V
    • SNR: 91.5 dB at fIN = 10 kHz, VREF = 5 V
    • THD: −114 dB at fIN = 10 kHz, VREF = 5 V
    • SINAD: 91 dB at fIN = 10 kHz, VREF = 5 V
  • Low power dissipation
    • Single-supply 2.5 V operation with 1.8 V/2.5 V/3 V/5 V logic interface
    • AD7988-1: 400 μW at 100 kSPS (VDD only)
      • 700 μW at 100 kSPS (total)
    • AD7988-5: 2 mW at 500 kSPS (VDD only)
      • 3.5 mW at 500 kSPS (total)
    • 70 μW at 10 kSPS (total)
  • Proprietary SPI-/QSPI™-/MICROWIRE™-/DSP-compatible serial interface
  • 10-lead MSOP, 10-lead 3 mm × 3 mm LFCSP
  • Wide operating temperature range: −40°C to +125°C

AD7988-1 Applications

  • Automated test equipment
  • Data acquisition systems
  • Medical instruments
  • Machine automation

AD7988-1 Description

The AD7988-1 are 16-bit, successive approximation, analog-to-digital converters (ADC) that operate from a single power supply, VDD. The AD7988-1 offers a 100 kSPS throughput, and the AD7988-5 offers a 500 kSPS throughput. They are low power, 16-bit sampling ADCs with a versatile serial interface port. On the CNV rising edge, they sample an analog input, IN+, between 0 V to VREF with respect to a ground sense, IN−. The reference voltage, REF, is applied externally and can be set independent of the supply voltage, VDD.

The SPI-compatible serial interface also features the ability to daisy-chain several ADCs on a single 3-wire bus using the SDI input. It is compatible with 1.8 V, 2.5 V, 3 V, or 5 V logic using the separate supply, VIO.

The AD7988-1 generics are housed in a 10-lead MSOP or a 10-lead LFCSP with operation specified from −40°C to +125°C.

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