Products > Integrated Circuits (ICs) > Data Conversion ICs > AD7682BCBZ-RL7
  • AD7682BCBZ-RL7
  • AD7682BCBZ-RL7 0
  • AD7682BCBZ-RL7 1
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Manufacturer :
Analog Devices, Inc
Package/Case :
Product Categories :
Data Acquisition - Analog to Digital Converters (ADC)
RoHs Status:
Pb-free Halide free

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AD7682BCBZ-RL7 Product Details

The AD7682/AD7689 are 4-channel/8-channel, 16-bit, chargeredistribution successive approximation register (SAR) analog-to-digitalconverters (ADCs) that operate from a single powersupply, VDD.

The AD7682/AD7689 contain all components for use in a multichannel, low power data acquisition system, including a true 16-bit SAR ADC with no missing codes; a 4-channel (AD7682) or 8-channel (AD7689) low crosstalk multiplexer that is useful for configuring the inputs as single-ended (with or without ground sense), differential, or bipolar; an internal low drift reference (selectable 2.5 V or 4.096 V) and buffer; a temperature sensor; a selectable one-pole filter; and a sequencer that is useful when channels are continuously scanned in order.

The AD7682/AD7689 use a simple serial port interface (SPI) for writing to the configuration register and receiving conversion results. The SPI interface uses a separate supply, VIO, which is set to the host logic level. Power dissipation scales with throughput.

The AD7682/AD7689 are housed in a tiny 20-lead lead frame chip scale package (LFCSP) and 20-lead wafer level chip scale package (WLCSP) with operation specified from −40°C to +85°C. The AD7689 includes an extended temperature range model with specifications guaranteed to a maximum temperature (TMAX) of +125°C.


  • 16-bit resolution with no missing codes
  • 4-channel (AD7682)/8-channel (AD7689) multiplexer with choice of inputs
  • Unipolar single-ended
  • Differential (GND sense)
  • Pseudobipolar
  • Throughput: 250 kSPS
  • INL: ±0.4 LSB typical, ±1.5 LSB maximum (±23 ppm or FSR)
  • Dynamic range: 93.8 dB
  • SINAD: 92.5 dB at 20 kHz
  • THD: −100 dB at 20 kHz
  • Analog input range: 0 V to VREF with VREF up to VDD
  • Multiple reference types
    • Internal selectable 2.5 V or 4.096 V
    • External buffered (up to 4.096 V)
    • External (up to VDD)
  • Internal temperature sensor (TEMP)
  • Channel sequencer, selectable 1-pole filter, busy indicator
  • No pipeline delay, SAR architecture
  • Single-supply 2.3 V to 5.5 V operation with 1.8 V to 5.5 V logic interface
  • Serial interface compatible with SPI, MICROWIRE, QSPI, and DSP
  • Power dissipation
    • 3.5 mW at 2.5 V/200 kSPS
    • 12.5 mW at 5 V/250 kSPS
  • Standby current: 50 nA
  • Low cost grade available
  • 20-lead 4 mm × 4 mm LFCSP package
  • 20-lead 2.4 mm × 2.4 mm WLCSP package


  • Multichannel system monitoring
  • Battery-powered equipment
  • Medical instruments: ECG/EKG
  • Mobile communications: GPS
  • Power line monitoring
  • Data acquisition
  • Seismic data acquisition systems
  • Instrumentation
  • Process control

AD7682BCBZ-RL7 Pinout
(Picture: Pinout)

AD7682BCBZ-RL7 Block Diagram
(Picture: Diagram)

Technical Parameters

Number of Bits 16 Architecture SAR
Sampling Rate (Per Second) 250k Reference Type External, Internal
Number of Inputs 4 Voltage Supply, Analog 2.3V ~ 5.5V
Input Type Differential, Single Ended Features Temperature Sensor
Data Interface SPI, DSP Operating Temperature -40??C ~ 85??C
Configuration MUX-S/H-ADC Package / Case 20-UFBGA, WLCSP
Ratio S/H:ADC 1:1 Supplier Device Package 20-WLCSP (2.39x2.39)
Number of A/D Converters 1 Mounting Type Surface Mount

AD7682BCBZ-RL7 Documents

  • AD7682 Technical Documentation/Data sheet

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Analog Devices, Inc. was founded by two MIT graduates, Ray Stata and Matthew Lorber in 1965. The same year, the company released its first product, the model 101 op amp, which was a hockey-puck sized...
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