AD7701AN - ADI

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

Part No

AD7701AN
Manufacturer

ADI
ChipWorker Part#

CW41889707
Category

Analog to Digital, ADC IC
Package

PDIP-20
Description

ADC Single Delta-Sigma 4KSPS 16Bit Serial 20Pin PDIP
Documentation

Datasheet

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AD7701AN Specifications

Attribute	Attribute Value

Part Number	AD7701AN
Manufacturer	ADI
ChipWorker Part#	CW41889707
Category	Analog to Digital, ADC IC
Documentation	Datasheet
Mounting Style	Through Hole
Number of Pins	20 Pin
Case/Package	PDIP-20
Number of Circuits	1 Circuit
Number of Channels	1 Channel
Number of Bits	16 Bit
Power Dissipation	25 mW
Sample Rate	4 ksps
Power Consumption	25 mW
Resolution (Bits)	16.0 Bit
Input Capacitance	10.0 pF
Number of ADCs	1 ADC
Number of Inputs	1 Input
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	37 mW
Number of Input Channels	1 Channel
	expand all
Size-Length	24.51 mm
Size-Width	7.24 mm
Size-Height	3.43 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	Non-Compliant
Lead-Free Status	Contains Lead
Mil-Spec	No

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

expand all

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