AD7731BRZ

Semiconductors - ICs

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Series Information for AD7731BRZ - Analog Devices

Features

  • feature
    24-Bit Sigma-Delta ADC 16 Bits p-p Resolution at 800 Hz Output Rate Programmable Output Rates up to 6.4 kHz Programmable Gain Front End 60.0015% Nonlinearity Buffered Differential Inputs Programmable Filter Cutoffs FASTStepu2122* Mode for Channel Sequencing Single Supply Operation

Description

IC ADC 24BIT 5MSPS 24SOIC

The AD7731 is a complete analog front-end for process control applications. The device has a proprietary programmable gain front end that allows it to accept a range of input signal ranges, including low level signals, directly from a transducer. The sigma- delta architecture of the part consists of an analog modulator and a low pass programmable digital filter, allowing adjustment of filter cutoff, output rate and settling time. The part features three buffered differential programmable gain analog inputs (which can be configured as five pseudo-differential inputs), as well as a differential reference input. The part oper- ates from a single +5 V supply and accepts seven unipolar ana- log input ranges: 0 to +20 mV, +40 mV, +80 mV, +160 mV, +320 mV, +640 mV and +1.28 V, and seven bipolar ranges: ±20 mV, ±40 mV, ±80 mV, ±160 mV, ±320 mV, ±640 mV and ±1.28 V. The peak-to-peak resolution achievable directly from the part is 16 bits at an 800 Hz output rate. The part can switch between channels with 1 ms settling time and maintain a perfor- mance level of 13 bits of peak-to-peak resolution. The serial interface on the part can be configured for three-wire operation and is compatible with microcontrollers and digital signal processors. The AD7731 contains self-calibration and system calibration options and features an offset drift of less than 5 nV/°C and a gain drift of less than 2 ppm/°C. The part is available in a 24-lead plastic DIP, a 24-lead SOIC and 24-lead TSSOP package.

Specifications

Resolution (Bits):
24bit
Sampling Rate:
6.4kSPS
Input Channel Type:
Differential
Data Interface:
Serial SPI
Supply Voltage Type:
Single
Supply Voltage Min:
2.7V
Supply Voltage Max:
5.25V
ADC / DAC Case Style:
WSOIC
No. of Pins:
24Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
Triple 24-Bit Sigma-Delta ADCs
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (07-Jul-2017)
Supply Current:
10.3mA
Supply Voltage Range:
2.7V to 5.25V

Alternate Descriptions

RS Components
ADC Single Delta-Sigma 5MSPS 24-Bit
Richardson RFPD
CONVERTER - ADC
Conrad
Integrated circuits from leading manufacturers. Please read our extensive documentation, which is free to download.
RS Components UK
ADC Single Delta-Sigma 5MSPS 24-Bit
RS Components DE
24-Bit-Bit ADC AD7731BRZ Differentiell Seriell, SOIC W 24-Pin 3 Montage-Typ : SMD Abtastrate : 5Msps Architektur : Delta Sigma Versorgungsspannung einzeln typ. : 5 V Eingangssignal-Typ : Differential Stromversorgungs-Typ : Single Integrale Nichtlinearität : 15ppm FSR Abmessungen : 15.6 x 7.6 x 2.35mm, Analog Devices
RS Components HK
ADC Single Delta-Sigma 5MSPS 24-Bit
RS Components JP
半導体,信号変換,ADC,24Bit
RS Components FR
CAN simple delta-sigma 5Msps 24bits
RS Components CN
ADC Single Delta-Sigma 5MSPS 24-Bit
RS Components ES
ADC Single Delta-Sigma 5MSPS 24-Bit
RS Components NL
ADC Single Delta-Sigma 5MSPS 24-Bit
RS Components NO
ADC Single Delta-Sigma 5MSPS 24-Bit
RS Components US
ADC Single Delta-Sigma 5MSPS 24-Bit
RS Components SG
ADC Single Delta-Sigma 5MSPS 24-Bit
RS Components TW
ADC Single Delta-Sigma 5MSPS 24-Bit