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The AD7682BCBZ is a 4-channel, 16-bit, charge redistribution successive approximation register (SAR) analogue-to-digital converter (ADC). The AD7682BCBZ is a 4-channel, 16-bit, charge redistribution successive approximation register (SAR) analogue-to-digital converter (ADC) that operates from a single power supply, VDD.The AD7682BCBZ contains all of the components for multi-channel, low-power data acquisition. All the components used in a multi-channel, low-power data acquisition system, including a true 16-bit SAR ADC with no missing codes; 4-channel low crosstalk multiplexer to configure the inputs as single-ended; internal low-drift references (selectable 2.5 V or 4.096 V) and buffers; a temperature sensor; an optional unipolar filter; and a sequencer. Useful when scanning channels sequentially and continuously.The AD7682BCBZ uses a simple serial port interface (SPI) for writing configuration registers and receiving conversion results.The SPI interface uses a separate power supply, VIO, which is set to the host logic level. The SPI interface uses a separate power supply, VIO, which is set to host logic levels. Power dissipation is proportional to throughput.

Product Attributes

Number of bits: 16

Sample Rate (per second): 250k

Number of Inputs: 4

Input types: differential, single-ended

Data interface: SPI, DSP

Configuration: MUX-S/H-ADC

Ratio - S/H:ADC: 1:1

Number of A/D converters: 1

Architecture: SAR

Reference Type: External, Internal

Voltage - Supply, Analogue: 2.3V ~ 5.5V

Features: Temperature Sensor

Operating Temperature: -40°C ~ 85°C

Package/Housing: 20-UFBGA, WLCSP

Supplier Device Package: 20-WLCSP (2.39x2.39)

Applications

• Multi-channel system monitoring

• Battery powered devices

• Medical devices: ECG/EKG

• Mobile communications: GPS

• Power line monitoring

• Data Acquisition

• Seismic Data Acquisition System

• Instrumentation

• Process Control

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