AD7091R-2/-4/-8 Ultralow Power 12-Bit ADCs

Analog Devices Inc. AD7091R-2/AD7091R-4/AD7091R-8 Ultralow Power 12-Bit ADCs feature multichannel 12-bit, ultralow power, successive approximation analog-to-converters (ADC) available in two, four, or eight analog input channel options. The AD7091R-2/AD7091R-4/AD7091R-8 operate from a single 2.7V to 5.25V power supply and can achieve a sampling rate of 1 mega samples per second (MSPS). The AD7091R-2/ AD7091R-4/AD7091R-8 contain a wide bandwidth track-and-hold amplifier that can handle input frequencies in excess of 1.5 MHz. The AD7091R-2/AD7091R-4/AD7091R-8 also feature an on-chip conversion clock, an on-chip accurate 2.5V reference, and a high speed serial interface.

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Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
Mounting Style
Package/Case
Resolution
Number of Channels
Interface Type
Sampling Rate
Input Type
Architecture
Analogue Supply Voltage
Digital Supply Voltage
SNR - Signal to Noise Ratio
Minimum Operating Temperature
Maximum Operating Temperature
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Analog Devices Analog to Digital Converters - ADC 8 chn 12 bit SAR ADC, ref(max), SPI
Datasheet
3.121In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

AD7091R-8 SMD/SMT LFCSP-24 8 Channel 3-Wire, QSPI, SPI SAR 2.7 V to 5.25 V 1.8 V to 5.25 V - 40 C + 125 C Reel, Cut Tape, MouseReel
Analog Devices Analog to Digital Converters - ADC 4 chn 12bit SAR ADC, ref (typical), SPI
Datasheet
692In Stock
Min.: 1
Mult.: 1

AD7091R-4 SMD/SMT TSSOP-20 12 bit 4 Channel 3-Wire, QSPI, SPI 1 MS/s Single-Ended SAR 2.7 V to 5.25 V 1.8 V to 5.25 V 70 dB - 40 C + 125 C Tube
Analog Devices Analog to Digital Converters - ADC 4 chn 12bit SAR ADC, ref (typical), SPI
Datasheet
433In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

AD7091R-4 SMD/SMT TSSOP-20 12 bit 4 Channel 3-Wire, QSPI, SPI 1 MS/s SAR 2.7 V to 5.25 V 1.8 V to 5.25 V - 40 C + 125 C Reel, Cut Tape, MouseReel
Analog Devices Analog to Digital Converters - ADC 8 chn 12 bit SAR ADC, ref(max), SPI
Datasheet
976In Stock
Min.: 1
Mult.: 1

AD7091R-8 SMD/SMT TSSOP-24 12 bit 8 Channel 3-Wire, QSPI, SPI 1 MS/s Single-Ended SAR 2.7 V to 5.25 V 1.8 V to 5.25 V 70 dB - 40 C + 125 C Tube
Analog Devices Analog to Digital Converters - ADC 4 chn 12bit SAR ADC, ref (typical), SPI
Datasheet
817In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

AD7091R-4 SMD/SMT LFCSP-20 4 Channel 3-Wire, QSPI, SPI SAR 2.7 V to 5.25 V 1.8 V to 5.25 V - 40 C + 125 C Reel, Cut Tape, MouseReel
Analog Devices Analog to Digital Converters - ADC 2 chn 12 bit SAR ADC, ref (typical), SPI
Datasheet
208In Stock
Min.: 1
Mult.: 1

AD7091R-2 SMD/SMT TSSOP-16 12 bit 2 Channel 3-Wire, QSPI, SPI 1 MS/s Single-Ended SAR 2.7 V to 5.25 V 1.8 V to 5.25 V 70 dB - 40 C + 125 C Tube
Analog Devices Analog to Digital Converters - ADC 4 chn 12bit SAR ADC, ref (typical), SPI
Datasheet
64In Stock
428Expected 5/8/2026
Min.: 1
Mult.: 1

AD7091R-4 SMD/SMT LFCSP-20 12 bit 4 Channel 3-Wire, QSPI, SPI 1 MS/s Single-Ended SAR 2.7 V to 5.25 V 1.8 V to 5.25 V 70 dB - 40 C + 125 C Tray
Analog Devices Analog to Digital Converters - ADC 8 chn 12 bit SAR ADC, ref(max), SPI
Datasheet
7In Stock
490Expected 5/1/2026
Min.: 1
Mult.: 1

AD7091R-8 SMD/SMT LFCSP-24 12 bit 8 Channel 3-Wire, QSPI, SPI 1 MS/s Single-Ended SAR 2.7 V to 5.25 V 1.8 V to 5.25 V 70 dB - 40 C + 125 C Tray
Analog Devices Analog to Digital Converters - ADC 2 chn 12 bit SAR ADC, ref (typical), SPI
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1
Mult.: 1

AD7091R-2 SMD/SMT LFCSP-16 12 bit 2 Channel 3-Wire, QSPI, SPI 1 MS/s Single-Ended SAR 2.7 V to 5.25 V 1.8 V to 5.25 V 70 dB - 40 C + 125 C Tray
Analog Devices Analog to Digital Converters - ADC 2 chn 12 bit SAR ADC, ref (typical), SPI
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1.500
Mult.: 1.500
: 1.500

AD7091R-2 SMD/SMT LFCSP-16 2 Channel 3-Wire, QSPI, SPI SAR 2.7 V to 5.25 V 1.8 V to 5.25 V - 40 C + 125 C Reel
Analog Devices Analog to Digital Converters - ADC 2 chn 12 bit SAR ADC, ref (typical), SPI
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1.000
Mult.: 1.000
: 1.000

AD7091R-2 SMD/SMT TSSOP-16 12 bit 2 Channel 3-Wire, QSPI, SPI 1 MS/s SAR 2.7 V to 5.25 V 1.8 V to 5.25 V - 40 C + 125 C Reel
Analog Devices Analog to Digital Converters - ADC 8 chn 12 bit SAR ADC, ref(max), SPI
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1.000
Mult.: 1.000
: 1.000

AD7091R-8 SMD/SMT TSSOP-24 12 bit 8 Channel 3-Wire, QSPI, SPI 1 MS/s SAR 2.7 V to 5.25 V 1.8 V to 5.25 V - 40 C + 125 C Reel