AD7739BRUZ

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Series Information for AD7739BRUZ - Analog Devices

Features

  • feature
    High resolution ADC 24 bits, no missing codes u00b10.0015% nonlinearity Optimized for fast channel switching 18-bit p-p resolution (21 bits effective) at 500 Hz 16-bit p-p resolution (19 bits effective) at 4 kHz On-chip per channel system calibration Configurable inputs 8 single-ended or 4 fully differential Input ranges +625 mV, u00b1625 mV, +1.25 V, u00b11.25 V, +2.5 V, u00b12.5 V 3-wire serial interface SPIu00ae, QSPIu2122, MICROWIREu2122, and DSP compatible Schmitt trigger on logic inputs Single-supply operation 5 V analog supply 3 V or 5 V digital supply Package: 24-lead TSSOP

Description

IC ADC 24BIT 15.1KSPS 24TSSOP

The AD7739 is a high precision, high throughput analog front end. True 16-bit p-p resolution is achievable with a total conversion time of 250 μs (4 kHz channel switching), making it ideally suited to high resolution multiplexing applications. The part can be configured via a simple digital interface, which allows users to balance the noise performance against data throughput up to 15 kHz. The analog front end features eight single-ended or four fully differential input channels with unipolar or bipolar 625 mV, 1.25 V, and 2.5 V input ranges. It accepts a common-mode input voltage from 200 mV above AGND to AVDD − 300 mV. The differential reference input features no-reference detect capability. The ADC also supports per channel system calibration options. The digital serial interface can be configured for 3-wire operation and is compatible with microcontrollers and digital signal processors. All interface inputs are Schmitt triggered. The part is specified for operation over the extended industrial temperature range of –40°C to +105°C. Other parts in the AD7739 family are the AD7738, AD7734, and AD7732. The AD7738 is similar to the AD7739 but has higher speed (8.5 kHz channel switching for 16-bit performance) and higher AIN leakage current. The AD7738 multiplexer output is pinned out externally, allowing the user to implement programmable gain or signal conditioning before being applied to the ADC. The AD7734 analog front end features four single-ended input channels with unipolar or true bipolar input ranges to ±10 V while operating from a single +5 V analog supply. The AD7734 accepts an analog input overvoltage to ±16.5 V without degrading the performance of the adjacent channels. The AD7732 is similar to the AD7734, but its analog front end features two fully differential input channels. DVDD SERIAL INTERFACE CONTROL LOGIC MUX REFERENCE DETECT I/O PORT CLOCK GENERATOR 24-BIT - ADC BUFFER AD7739 CALIBRATION CIRCUITRY AVDD SCLK DIN DOUT CS RDY

Specifications

Resolution (Bits):
24bit
Sampling Rate:
15.1kSPS
Input Channel Type:
Differential Single Ended
Data Interface:
SPI
Supply Voltage Type:
Single
Supply Voltage Min:
4.75V
Supply Voltage Max:
5.25V
ADC / DAC Case Style:
TSSOP
No. of Pins:
24Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
105°C
Product Range:
Octal 24-Bit Sigma-Delta ADCs
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (07-Jul-2017)
Supply Current:
13.6mA
Supply Voltage Range:
4.75V to 5.25V

Alternate Descriptions

RS Components
AD7739BRUZ
Newark Electronics
Analogue to Digital Converter, 24 bit, 15.1 kSPS, Single, 4.75 V, 5.25 V, TSSOP RoHS Compliant: Yes
Richardson RFPD
CONVERTER - ADC
RS Components UK
AD7739BRUZ
RS Components DE
24-Bit-Bit ADC AD7739BRUZ Differentiell SPI, TSSOP 24-Pin 8 Anzahl der A/D-Wandler : 1 Digital Interface Typ : Seriell (SPI) Montage-Typ : SMD Abtastrate : 3050ksps Architektur : Delta Sigma Versorgungsspannung einzeln typ. : 5 V Eingangssignal-Typ : Differential, Single Ended Integrale Nichtlinearität : ±0.002%FSR Abmessungen : 7.8 x 4.4 x 1.05mm, Analog Devices
RS Components HK
AD7739BRUZ
RS Components JP
半導体,A/Dコンバータ,24bit,SMT
RS Components FR
AD7739BRUZ
RS Components CN
AD7739BRUZ
RS Components ES
AD7739BRUZ
RS Components NL
AD7739BRUZ
RS Components NO
AD7739BRUZ
RS Components US
AD7739BRUZ
RS Components SG
AD7739BRUZ
RS Components TW
AD7739BRUZ