AD7091

PRODUCTION

1 MSPS, Ultralow Power 12-Bit ADC in 8-Lead LFCSP

Data Sheet (Rev. B) Product Selection Table

Part Models: 2
1ku List Price: Starting From $1.97

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Overview

Fast throughput rate: 1 MSPS
Specified for V_DD of 2.09 V to 5.25 V
INL of ±1 LSB maximum
Analog input range of 0 V to V_DD
Ultralow power
367 µA typical at 3 V and 1 MSPS
324 nA typical at 3 V in power-down mode
Reference provided by V_DD

Flexible power/throughput rate management
High speed serial interface:
SPI^®-/QSPI^™-/MICROWIRE^™-/DSP-compatible
Busy indicator
Power-down mode
8-lead, 2 mm × 2 mm LFCSP package
Temperature range: −40°C to +125°C

The AD7091 is a 12-bit successive approximation register analog-to-digital converter (SAR ADC) that offers ultralow power consumption (typically 367 μA at 3 V and 1 MSPS) while achieving fast throughput rates (1 MSPS with a 50 MHz SCLK). The AD7091 operates from a single 2.09 V to 5.25 V power supply. The AD7091 also features an on-chip conversion clock and a high speed serial interface.

The conversion process and data acquisition are controlled using a CONVST signal and an internal oscillator. The AD7091 has a serial interface that allows data to be read after the conversion while achieving a 1 MSPS throughput rate. The AD7091 uses advanced design and process techniques to achieve very low power dissipation at high throughput rates.

The reference is derived internally from V_DD. This design allows the widest dynamic input range to the ADC; that is, the analog input range for the AD7091 is from 0 V to V_DD.

PRODUCT HIGHLIGHTS

Lowest power 12-bit SAR ADC available.
High Throughput Rate with Ultralow Power Consumption.
Flexible Power/Throughput Rate Management.
Average power scales with the throughput rate. Power-down mode allows the average power consumption to be reduced when the device is not performing a conversion.
Reference Derived from the Power Supply.
Single Supply Operation.

APPLICATIONS

Battery-powered systems
Handheld meters
Medical instruments
Mobile communications
Instrumentation and control systems
Data acquisition systems
Optical sensors
Diagnostic/monitoring functions
Energy harvesting

Part Models: 2
1ku List Price: Starting From $1.97

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
AD7091BCPZ-RL	8-Lead LFCSP (2mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
AD7091BCPZ-RL7	8-Lead LFCSP (2mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Aug 8, 2022 - 22_0192 Qualification of an Alternate Adhesive Material and Molding Compound for Select LFCSP Packages
		PCN22_0192_Form Material_Report Detailed Change Description Qualification Results Summary
AD7091BCPZ-RL	PRODUCTION
AD7091BCPZ-RL7	PRODUCTION
Oct 18, 2016 - 16_0036 Assembly Relocation to Stats ChipPAC Jiangyin and Test Transfer to Stats ChipPAC Singapore of Select LFCSP Products
		PCN16_0036_Form Material_Report Qualification Results Summary Qualification Results Summary Qualification Results Summary Test Correlation Report
AD7091BCPZ-RL	PRODUCTION
AD7091BCPZ-RL7	PRODUCTION
May 31, 2016 - 16_0039 AD7091 and AD7091R Die Revision and AD7091R Specification Change
		PCN16_0039_Form Material_Report Qualification Results Summary
AD7091BCPZ-RL	PRODUCTION
AD7091BCPZ-RL7	PRODUCTION
Aug 6, 2014 - 13_0244 Assembly and Test Transfer of Select 2x2 and 1.6x1.6 mm Mini-LFCSP Products to STATS ChipPAC China
		PCN13_0244_Form Material_Report Detailed Change Description Qualification Results Summary Test Correlation Report
AD7091BCPZ-RL	PRODUCTION
AD7091BCPZ-RL7	PRODUCTION

This is the most up-to-date revision of the Data Sheet.

Software Resources

Device Drivers 1

BeMicro FPGA Project for AD7091/AD7091R with Nios driver

Can't find the software or driver you need?

Hardware Ecosystem

Parts	Product Life Cycle	Description
Operational Amplifiers (Op Amps) 9
ADA4841-1	PRODUCTION	Low Power, Low Noise and Distortion, Rail-to-Rail Output Amplifier
ADA4896-2	RECOMMENDED FOR NEW DESIGNS	1 nV/√Hz, Low Power, Rail-to-Rail Output Amplifiers
AD8031	PRODUCTION	2.7 V, 800 µA, 80 MHz Rail-to-Rail I/O Single Amplifier
ADA4899-1	PRODUCTION	Unity-Gain Stable, Ultralow Distortion, 1 nV/√Hz Voltage Noise, High Speed Op Amp

ADA4897-1	RECOMMENDED FOR NEW DESIGNS	1 nV/√Hz, Low Power, Rail-to-Rail Output Amplifiers
AD8021	PRODUCTION	Low Noise, High Speed Amplifier for 16-Bit Systems
ADA4627-1	PRODUCTION	36 V, 19 MHz, Low Noise, Low Bias Current, JFET Op Amp
ADA4637-1	PRODUCTION	30 V, 80 MHz, Low Noise, Low Bias Current, JFET Op Amp
AD8610	PRODUCTION	Precision, Low Input Bias Current, Wide BW JFET Single Op Amp
Voltage References 4
ADR4550	PRODUCTION	Ultra-Low-Noise, High-Accuracy 5.0V Voltage Reference
REF195	PRODUCTION	5.0V Precision Micropower, Low Dropout, Low Voltage Reference
ADR4530	PRODUCTION	Ultra-Low-Noise, High-Accuracy 3.0V Voltage Reference
REF193	PRODUCTION	3.0V Precision Micropower, Low Dropout, Low Voltage Reference

Tools & Simulations

IBIS Model 1

AD7091 IBIS Model

Evaluation Kits

AD7091 Evaluation Board

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Product Details

The EVAL-AD7091SDZ is a fully featured evaluation kit for the AD7091. This board operates in stand alone mode or in conjunction with the System Development Platform, EVAL-SDP-CB1Z . When operated with the System Development Platform software is provided enabling the user to perform detailed analysis of the ADC's performance. This software includes the technical note describing the operation and set up of the evaluation board in standalone operation or when operated with the System Development Platform . When operated in standalone mode the ADZS-BRKOUT-EX3 break out board is recommended for access to various control pins.

The SDP Controller board is a separate list item in the ordering guide below (EVAL-SDP-CB1Z). If you have not previously purchased an SDP Controller board, please do so to ensure a full evaluation setup.

Resources

BeMicro FPGA Project for AD7091/AD7091R with Nios driver
3/3/2014

AD7091 Evaluation Board Design Files
1/1/0001

UG-447: Evaluation Board for the AD7091 Analog-to-Digital Converter
3/1/2013

Software

AD7091 Evaluation Software
594455 kB

AD7091R Evaluation Board

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Product Details

The EVAL-AD7091RSDZ is a fully featured evaluation kit for the AD7091R. This board operates in stand alone mode or in conjunction with the System Development Platform, EVAL-SDP-CB1Z . When operated with the System Development Platform software is provided enabling the user to perform detailed analysis of the ADC's performance. This software includes the technical note describing the operation and set up of the evaluation board in standalone operation or when operated with the System Development Platform . When operated in standalone mode the ADZS-BRKOUT-EX3 break out board is recommended for access to various control pins.