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ADI AD7682BCBZ-RL7

Manufacturer
ADI
MPN
AD7682BCBZ-RL7
LCSC Part #
C651386
Packaging
WLCSP-20(2.4x2.4)
Customer #
Key Attributes
16-Bit, 4-Channel/8-Channel, 250 kSPS PulSAR ADCs
DatasheetADI AD7682BCBZ-RL7
RoHS Compliance1 documents available
In-Stock: 8
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QtyUnit PriceTotal Amount
1+$ 19.5031$ 19.50
30+$ 18.4314$ 552.94
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Data Acquisition/Analog to Digital Converters (ADC)
ManufacturerADI
PackagingWLCSP-20(2.4x2.4)
Operating Temperature-40℃~+85℃
InterfaceSPI
Quiescent Current (Iq)50nA
Voltage - Supply2.3V~5.5V
Number of Channels4
Integral non - linearity1.5LSB
Voltage ReferenceBuilt-in
Clock/Oscillator-
Clock Frequency-
FeaturesMultiplexers;Bipolar input;Built-in temperature sensor
Resolution(Bits)250kHz;16
S/N Ratio93.8dB
ADC architectureSAR
Programmable Gain-
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Introduction

AI Translation

The AD7682/AD7689 are 4-channel/8-channel, 16-bit, charge redistribution successive approximation register (SAR) analog-to-digital converters (ADCs) that operate from a single power supply, 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.

Features

AI Translation
  • 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

Applications

AI Translation
  • 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