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Series Information for AD7918BRUZ - Analog Devices


  • feature
    Fast throughput rate: 1 MSPS Specified for AVDD of 2.7 V to 5.25 V Low power 6.0 mW max at 1 MSPS with 3 V supply 13.5 mW max at 1 MSPS with 5 V supply Eight (single-ended) inputs with sequencer Wide input bandwidth AD7928, 70 dB min SINAD at 50 kHz input frequency Flexible power/serial clock speed management No pipeline delays High speed serial interface SPIu00ae/QSPIu2122/ MICROWIREu2122/DSP compatible Shutdown mode: 0.5 u03bcA max 20-lead TSSOP package Qualified for automotive applications



The AD7908/AD7918/AD7928 are, respectively, 8-bit, 10-bit, and 12-bit, high speed, low power, 8-channel, successive approximation ADCs. The parts operate from a single 2.7 V to 5.25 V power supply and feature throughput rates up to 1 MSPS. The parts contain a low noise, wide bandwidth track-and-hold amplifier that can handle input frequencies in excess of 8 MHz. The conversion process and data acquisition are controlled using CS and the serial clock signal, allowing the device to easily interface with microprocessors or DSPs. The input signal is sampled on the falling edge of CS and conversion is also initiated at this point. There are no pipeline delays associated with the part. The AD7908/AD7918/AD7928 use advanced design techniques to achieve very low power dissipation at maximum throughput rates. At maximum throughput rates, the AD7908/AD7918/AD7928 consume 2 mA maximum with 3 V supplies; with 5 V supplies, the current consumption is 2.7 mA maximum. Through the configuration of the control register, the analog input range for the part can be selected as 0 V to REFIN or 0 V to 2 × REFIN, with either straight binary or twos complement output coding. The AD7908/AD7918/AD7928 each feature eight single- ended analog inputs with a channel sequencer to allow a preprogrammed selection of channels to be converted sequentially. The conversion time for the AD7908/AD7918/AD7928 is determined by the SCLK frequency, which is also used as the master clock to control the conversion.


Resolution (Bits):
Sampling Rate:
Input Channel Type:
Single Ended
Data Interface:
Microwire QSPI SPI
Supply Voltage Type:
Supply Voltage Min:
Supply Voltage Max:
ADC / DAC Case Style:
No. of Pins:
Operating Temperature Min:
Operating Temperature Max:
Product Range:
Single 10-Bit SAR ADCs
Automotive Qualification Standard:
RoHS Phthalates Compliant:
MSL 1 - Unlimited
No SVHC (07-Jul-2017)

Alternate Descriptions

RS Components
ADC,AD7918B 10bit 1MSPS 8 ch SPI TSSOP
Newark Electronics
ADC, SAR, 10BIT, 1MSPS, TSSOP-20; Resolution (Bits):10bit; Sampling Rate:1MSPS; Input Channel Type:Single Ended; Data Interface:Microwire, QSPI, SPI; Supply Voltage Type:Single; Supply Voltage Min:2.7V; Supply Voltage Max:5.25V; ADC RoHS Compliant: Yes
Richardson RFPD
RS Components UK
ADC,AD7918B 10bit 1MSPS 8 ch SPI TSSOP
RS Components DE
10-Bit-Bit ADC AD7918BRUZ Single Ended Seriell (SPI/QSPI/Microwire), TSSOP 20-Pin 8 Montage-Typ : SMD Abtastrate : 1000ksps Architektur : SAR Versorgungsspannung einzeln typ. : 3 V, 5 V Integrale Nichtlinearität : ±0.5LSB Abmessungen : 6.5 x 4.4 x 1.05mm, Analog Devices
RS Components HK
ADC,AD7918B 10bit 1MSPS 8 ch SPI TSSOP
RS Components JP
RS Components FR
ADC,AD7918B 10bit 1MSPS 8 ch SPI TSSOP
RS Components CN
ADC,AD7918B 10bit 1MSPS 8 ch SPI TSSOP
RS Components ES
ADC,AD7918B 10bit 1MSPS 8 ch SPI TSSOP
RS Components NL
ADC,AD7918B 10bit 1MSPS 8 ch SPI TSSOP
RS Components NO
RS Components US
ADC,AD7918B 10bit 1MSPS 8 ch SPI TSSOP
RS Components SG
ADC,AD7918B 10bit 1MSPS 8 ch SPI TSSOP
RS Components TW
ADC,AD7918B 10bit 1MSPS 8 ch SPI TSSOP