AD7903BRQZ

Semiconductors - ICs

> Data & Signal Conversion

> Analog-to-Digital Converters - ADC

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Series Information for AD7903BRQZ - Analog Devices

Features

  • feature
    16-bit resolution with no missing codes Throughput: 1 MSPS Low power dissipation 7.0 mW at 1 MSPS (VDD1 and VDD2 only) 12.0 mW at 1 MSPS (total) 140 u00b5W at 10 kSPS INL: u00b10.5 LSB typical, u00b12.0 LSB maximum SINAD: 93.5 dB at 1 kHz THD: u2212112 dB at 1 kHz True differential analog input range: u00b1VREF 0 V to VREF with VREF between 2.4 V to 5.1 V Allows use of any input range Easy to drive with the ADA4941-1 No pipeline delay Single-supply 2.5 V operation with 1.8 V/2.5 V/3 V/5 V logic

Description

ADC 16BIT 1MSPS SPI QSOP-20

The AD7903 is a dual 16-bit, successive approximation, analog- to-digital converter (ADC) that operates from a single power supply, VDDx, per ADC. It contains two low power, high speed, 16-bit sampling ADCs and a versatile serial port interface (SPI). On the CNVx rising edge, the AD7903 samples the voltage difference between the INx+ and INx− pins. The voltages on these pins usually swing in opposite phases between 0 V and VREF. The externally applied reference voltage of the REFx pins (VREF) can be set independently from the supply voltage pins, VDDx. The power of the device scales linearly with throughput. Using the SDIx inputs, the SPI-compatible serial interface can also daisy-chain multiple ADCs on a single 3-wire bus and provide an optional busy indicator. It is compatible with 1.8 V, 2.5 V, 3 V, or 5 V logic, using the separate VIOx supplies. The AD7903 is available in a 20-lead QSOP package with operation specified from −40°C to +125°C

Specifications

Resolution (Bits):
16bit
Sampling Rate:
1MSPS
Input Channel Type:
Differential
Data Interface:
SPI
Supply Voltage Type:
Single
Supply Voltage Min:
2.375V
Supply Voltage Max:
2.625V
ADC / DAC Case Style:
QSOP
No. of Pins:
20Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
125°C
Product Range:
Dual 16-Bit SAR ADCs
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (07-Jul-2017)

Alternate Descriptions

RS Components
Dual ADC SAR 1Msps 16-bit Serial QSOP20
Newark Electronics
Analogue to Digital Converter, 16 bit, 1 MSPS, Single, 2.375 V, 2.625 V, QSOP RoHS Compliant: Yes
RS Components UK
Dual ADC SAR 1Msps 16-bit Serial QSOP20
RS Components DE
16-Bit-Bit ADC AD7903BRQZ Dual, Differentiell SPI, QSOP 20-Pin 2 Digital Interface Typ : Seriell (SPI) Montage-Typ : SMD Abtastrate : 1Msps Architektur : SAR Versorgungsspannung einzeln typ. : 2,5 V Eingangssignal-Typ : Differential Stromversorgungs-Typ : Single Integrale Nichtlinearität : ±2LSB Abmessungen : 8.76 x 4.01 x 1.65mm, Analog Devices
RS Components HK
Dual ADC SAR 1Msps 16-bit Serial QSOP20
RS Components JP
Dual ADC SAR 1Msps 16-bit Serial QSOP20
RS Components FR
Dual ADC SAR 1Msps 16-bit Serial QSOP20
RS Components CN
Dual ADC SAR 1Msps 16-bit Serial QSOP20
RS Components ES
Dual ADC SAR 1Msps 16-bit Serial QSOP20
RS Components NL
Dual ADC SAR 1Msps 16-bit Serial QSOP20
RS Components NO
Dual ADC SAR 1Msps 16-bit Serial QSOP20
RS Components US
Dual ADC SAR 1Msps 16-bit Serial QSOP20
RS Components SG
Dual ADC SAR 1Msps 16-bit Serial QSOP20
RS Components TW
Dual ADC SAR 1Msps 16-bit Serial QSOP20