AD7701 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

AD7701
Manufacturer

ADI
ChipWorker Part#

CW389474633
RoHS

Lead free / RoHS Compliant
Description

16Bit Sigma-Delta ADC
Documentation

Datasheet

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AD7701 Specifications

Attribute	Attribute Value

Part Number	AD7701
Manufacturer	ADI
ChipWorker Part#	CW389474633
Documentation	Datasheet
	expand all
Product Lifecycle Status	Unknown
RoHS	RoHS Compliant

Product Description

Product Details
The AD7701 is a 16-bit ADC which uses a sigma delta conversion technique. The analog input is continually sampled by an analog modulator whose mean output duty cycle is proportional to the input signal. The modulator output is processed by an on-chip digital filter with a six-pole Gaussian response, which updates the output data register with 16-bit binary words at word rates up to 4kHz. The sampling rate, filter corner frequency and output word rate are set by a master clock input that may be supplied externally, or by a crystal-controlled on-chip clock oscillator.
The inherant linearity of the ADC is excellent, and endpoint accuracy is ensured by self-calibration of zero and full scale which may be initiated at any time. The self-calibration scheme can also be extended to null system offset and gain errors in the input channel.
The output data is accessed through a flexible serial port, which has an asynchronous mode compatible with UARTs and two synchronous modes suitable for interfacing to shift registers or the serial ports of industry-standard microcontrollers.
CMOS construction insures low power dissipation, and a power down mode reduces the idle power consumption to only 10 µW.
### Features and Benefits
0 V to +2.5 V or ±2.5 V Analog Input Range
4 kSPS Output Data Rate
Flexible Serial Interface
Ultralow Power
0 V to +2.5 V or ±2.5 V Analog Input Range
4 kSPS Output Data Rate
Flexible Serial Interface
Ultralow Power

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