AD7922ARMZ

Semiconductors - ICs

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Series Information for AD7922ARMZ - Analog Devices

Features

  • feature
    Fast throughput rate: 1 MSPS Specified for VDD of 2.35 V to 5.25 V Low power: 4.8 mW typ at 1 MSPS with 3 V supplies 15.5mW typ at 1 MSPS with 5 V supplies Wide input bandwidth: 71 dB minimum SNR at 100 kHz input frequency Flexible power/serial clock speed management No pipeline delays High speed serial interface: SPIu00ae/QSPIu2122/MICROWIREu2122/DSP compatible Standby mode: 1 u00b5A maximum Daisy-chain mode 8-lead TSOT package 8-lead MSOP package

Description

12BIT ADC DUAL 1MSPS 7922 MSOP8

The AD7912/AD79221 are 10-bit and 12-bit, high speed, low power, 2-channel successive approximation ADCs, respectively. The parts operate from a single 2.35 V to 5.25 V power supply and feature throughput rates of up to 1 MSPS. The parts contain a low noise, wide bandwidth track-and-hold amplifier, which can handle input frequencies in excess of 6 MHz. The conversion process and data acquisition are controlled using CS and the serial clock, allowing the devices to interface with microprocessors or DSPs. The conversion rate is determined by the SCLK signal. The input signal is sampled on the falling edge of CS and the conversion is also initiated at this point. The channel to be converted is selected through the DIN pin, and the mode of operation is controlled by CS. The serial data stream from the DOUT pin has a channel identifier bit and mode identifier bit, which provide information about the converted channel and the current mode of operation.

Specifications

Resolution (Bits):
12bit
Sampling Rate:
1MSPS
Input Channel Type:
Single Ended
Data Interface:
Serial SPI
Supply Voltage Type:
Single
Supply Voltage Min:
2.35V
Supply Voltage Max:
5.25V
ADC / DAC Case Style:
MSOP
No. of Pins:
8Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
Dual 12-Bit SAR ADCs
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (07-Jul-2017)
A/D / D/A Features:
Serial SPI Interface Microwire DSP Compatible
Base Number:
7922
Conversion Time:
1µs
Data Rate:
1Mbps
IC Case Style:
SOP
IC Generic Number:
7922
IC Temperature Range:
Commercial
Linearity Error ADC / DAC +:
1.5LSB
Linearity Error ADC / DAC -:
1.5LSB
Logic Function Number:
7922
No. of Bits:
12bit
No. of Channels:
2Channels
Operating Temperature Range:
-40°C to +85°C
Supply Current:
4mA
Supply Voltage Range:
2.35V to 5.25V
Supply Voltage Range - Analogue:
2.35V to 5.25V

Alternate Descriptions

RS Components
ADC,AD7922A 12bit 1MSPS 2 ch SPI MSOP
Richardson RFPD
CONVERTER - ADC
RS Components UK
ADC,AD7922A 12bit 1MSPS 2 ch SPI MSOP
RS Components DE
12-Bit-Bit ADC AD7922ARMZ Single Ended Seriell (SPI/QSPI/Microwire), MSOP 8-Pin 2 Montage-Typ : SMD Abtastrate : 1000ksps Architektur : SAR Versorgungsspannung einzeln typ. : 2,5 V, 3,3 V, 5 V Integrale Nichtlinearität : ±1.5LSB Abmessungen : 3 x 3 x 0.85mm, Analog Devices
RS Components HK
ADC,AD7922A 12bit 1MSPS 2 ch SPI MSOP
RS Components JP
Dual 12-Bit, 1MSPS, ADC I.C
RS Components FR
Dual 12-Bit, 1MSPS, ADC I.C
RS Components CN
ADC,AD7922A 12bit 1MSPS 2 ch SPI MSOP
RS Components ES
ADC,AD7922A 12bit 1MSPS 2 ch SPI MSOP
RS Components NL
ADC,AD7922A 12bit 1MSPS 2 ch SPI MSOP
RS Components NO
Dual 12-Bit, 1MSPS, ADC I.C
RS Components US
ADC,AD7922A 12bit 1MSPS 2 ch SPI MSOP
RS Components SG
Dual 12-Bit, 1MSPS, ADC I.C
RS Components TW
ADC,AD7922A 12bit 1MSPS 2 ch SPI MSOP