AD7703ANZ - ADI

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

Part No

AD7703ANZ
Manufacturer

ADI
ChipWorker Part#

CW1206600
Category

Analog to Digital, ADC IC
Package

DIP-20
Description

ANALOG DEVICES AD7703ANZ Analogue to Digital Converter, 20Bit, 4KSPS, Single, 4.5V, 5.5V, DIP
Documentation

Datasheet

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AD7703ANZ Specifications

Attribute	Attribute Value

Part Number	AD7703ANZ
Manufacturer	ADI
ChipWorker Part#	CW1206600
Category	Analog to Digital, ADC IC
Documentation	Datasheet
Mounting Style	Through Hole
Number of Pins	20 Pin
Case/Package	DIP-20
Supply Voltage (DC)	4.50V (min)
Supply Current	2.70 mA
Number of Circuits	1 Circuit
Number of Channels	1 Channel
Number of Positions	20 Position
Number of Bits	20 Bit
Power Dissipation	25 mW
Sample Rate	4 ksps
Power Consumption	25 mW
Resolution (Bits)	20.0 Bit
Input Capacitance	20.0 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
Supply Voltage (Max)	5.5 V
Supply Voltage (Min)	4.5 V
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Size-Length	7.11 mm
Size-Width	5 mm
Size-Height	4.57 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
Mil-Spec	No
REACH SVHC Compliance Edition	2015/12/17

Product Description

Product Details
The AD7703 is a 20-bit ADC which uses a sigma delta conversion technique. The analog input is continuously 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 20-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 an on-chip gate oscillator.
The inherent 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 serial port, which has two synchronous modes suitable for interfacing to shift registers or the serial ports of industry standard microcontrollers.
CMOS construction ensures low power dissipation, and a power down mode reduces the idle power consumption to only 10µW.
### Features and Benefits
Monolithic 16-Bit ADC
0.0015% Linearity Error
On-Chip Self-Calibration Circuitry
Programmable Low-Pass Filter
0.1 Hz to 10 Hz Corner Frequency
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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