AD7701BRZ

Semiconductors - ICs

> Data & Signal Conversion

> Analog-to-Digital Converters - ADC

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Series Information for AD7701BRZ - Analog Devices

Features

  • feature
    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 u00012.5 V Analog Input Range 4 kSPS Output Data Rate Flexible Serial Interface Ultralow Power

Description

ADC 16BIT 4KSPS WSOIC-20

The AD7701 is a 16-bit ADC that 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 16-bit binary words at word rates up to 4 kHz. 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 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 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 ensures low power dissipation, and a power- down mode reduces the idle power consumption to only 10 µW.

Specifications

Resolution (Bits):
16bit
Sampling Rate:
4kSPS
Input Channel Type:
Single Ended
Data Interface:
Serial
Supply Voltage Type:
Dual (+/-)
Supply Voltage Min:
4.5V
Supply Voltage Max:
5.5V
ADC / DAC Case Style:
WSOIC
No. of Pins:
20Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
Single 16-Bit Sigma-Delta ADCs
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 3 - 168 hours
SVHC:
No SVHC (07-Jul-2017)

Alternate Descriptions

Newark Electronics
ADC, 16BIT, 4KSPS, WSOIC-20; Resolution (Bits):16bit; Sampling Rate:4kSPS; Input Channel Type:Single Ended; Data Interface:Serial; Supply Voltage Type:Dual (+/-); Supply Voltage Min:4.5V; Supply Voltage Max:5.5V; No. of Pins:20Pins RoHS Compliant: Yes
Richardson RFPD
CONVERTER - ADC