AD7091R-4
4-Channel, 1 MSPS, Ultralow Power, 12-Bit ADC in 20-Lead TSSOP
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Features
- Ultralow system power
- Flexible power/throughput rate management
- Programmable ALERT interrupt pin
- High performance
- 1 MSPS throughput with no latency/pipeline delay
- SNR: 70 dB typical at 10 kHz input frequency
- THD: −80 dB typical at 10 kHz input frequency
- INL: ±0.7 LSB typical, ±1.0 LSB maximum
- Small system footprint
- On-chip accurate 2.5 V reference, 5 ppm/°C typical drift
- MUXOUT/ADCIN to allow single buffer amplifier
- Daisy-chain mode
- 16-lead, 20-lead, and
24-lead 4 mm × 4 mm LFCSP packages - 16-lead, 20-lead, and
24-lead TSSOP packages - See data sheet for additional features.
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The AD7091R-2/AD7091R-4/AD7091R-8 family is a multichannel 12-bit, ultralow power, successive approximation analog-to-digital converter (ADC) that is available in two, four, or eight analog input channel options. The AD7091R-2/AD7091R-4/ AD7091R-8 operate from a single 2.7 V to 5.25 V power supply and are capable of achieving a sampling rate of 1 MSPS.
The AD7091R-2/AD7091R-4/AD7091R-8 family offers up to eight single-ended analog input channels with a channel sequencer that allows a preprogrammed selection of channels to be converted sequentially. The AD7091R-2/AD7091R-4/ AD7091R-8 also feature an on-chip conversion clock, an on-chip accurate 2.5 V reference, and a high speed serial interface.
The AD7091R-2/AD7091R-4/AD7091R-8 have a serial port interface (SPI) that allows data to be read after the conversion while achieving a 1 MSPS throughput rate. The conversion process and data acquisition are controlled using the CONVST pin.
The AD7091R-2/AD7091R-4/AD7091R-8 use advanced design techniques to achieve ultralow power dissipation at high throughput rates. They also feature flexible power management options. An on-chip configuration register allows the user to set up different operating conditions. These include power management, alert functionality, busy indication, channel sequencing, and general-purpose output pins. The MUXOUT and ADCIN pins allow signal conditioning of the multiplexer output prior to acquisition by the ADC.
Applications
- Battery powered systems
- Personal digital assistants
- Medical instruments
- Mobile communications
- Instrumentation and control systems
- Data acquisition systems
- Optical sensors
- Diagnostic/monitoring functions
Ask a Question
Submit your question below and we will return the best answer from ADI’s knowledge database:
Search
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Analog Devices Support Portal is a one-stop shop to answer all your ADI questions.
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AD7091R-4
Documentation
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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 |
|---|---|---|---|
| AD7091R-4BCPZ |
20-Lead LFCSP (4mm x 4mm w/ EP)
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| AD7091R-4BCPZ-RL7 |
20-Lead LFCSP (4mm x 4mm w/ EP)
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| AD7091R-4BRUZ |
20-Lead TSSOP
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| AD7091R-4BRUZ-RL7 |
20-Lead TSSOP
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- AD7091R-4BCPZ
- Pin/Package Drawing
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20-Lead LFCSP (4mm x 4mm w/ EP)
- Documentation
-
HTML
Material Declaration
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HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
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Ultra Librarian
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SamacSys
- AD7091R-4BCPZ-RL7
- Pin/Package Drawing
-
20-Lead LFCSP (4mm x 4mm w/ EP)
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- AD7091R-4BRUZ
- Pin/Package Drawing
-
20-Lead TSSOP
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- AD7091R-4BRUZ-RL7
- Pin/Package Drawing
-
20-Lead TSSOP
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
Filter by Model
Part Models
Product Lifecycle
PCN
Jul 23, 2014
- 13_0241
Qualification of ASE Chungli as an Alternate Assembly Site for Select 16L, 20L and 24L TSSOP Packages
AD7091R-4BRUZ
PRODUCTION
AD7091R-4BRUZ-RL7
PRODUCTION
Filter by Model
Part Models
Product Lifecycle
PCN
Jul 23, 2014
- 13_0241
Qualification of ASE Chungli as an Alternate Assembly Site for Select 16L, 20L and 24L TSSOP Packages
AD7091R-4BRUZ
PRODUCTION
AD7091R-4BRUZ-RL7
PRODUCTION
Software & Part Ecosystem
| Parts | Product Life Cycle | Description | ||
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High Voltage Op Amps ≥12V1 |
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PRODUCTION |
Unity-Gain Stable, Ultralow Distortion, 1 nV/√Hz Voltage Noise, High Speed Op Amp |
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Low Input Bias Current Op Amps (≤100 pA)3 |
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PRODUCTION |
36 V, 19 MHz, Low Noise, Low Bias Current, JFET Op Amp |
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PRODUCTION |
30 V, 80 MHz, Low Noise, Low Bias Current, JFET Op Amp |
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PRODUCTION |
Precision, Low Input Bias Current, Wide BW JFET Single Op Amp |
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Low Noise Op Amps (≤ 10nV/√Hz)2 |
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RECOMMENDED FOR NEW DESIGNS |
1 nV/√Hz, Low Power, Rail-to-Rail Output Amplifiers |
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RECOMMENDED FOR NEW DESIGNS |
1 nV/√Hz, Low Power, Rail-to-Rail Output Amplifiers |
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Low Power Op Amps (≤ 1mA/amp) 1 |
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PRODUCTION |
2.7 V, 800 µA, 80 MHz Rail-to-Rail I/O Single Amplifier |
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Precision Op Amps (Vos ≤1mV & TCVos ≤2uV/C)2 |
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PRODUCTION |
Low Power, Low Noise and Distortion, Rail-to-Rail Output Amplifier |
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PRODUCTION |
Low Noise, High Speed Amplifier for 16-Bit Systems |
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Series Voltage References4 |
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RECOMMENDED FOR NEW DESIGNS |
Ultra-Low-Noise, High-Accuracy 3.0V Voltage Reference |
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PRODUCTION |
3.0V Precision Micropower, Low Dropout, Low Voltage Reference |
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RECOMMENDED FOR NEW DESIGNS |
Ultra-Low-Noise, High-Accuracy 5.0V Voltage Reference |
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PRODUCTION |
5.0V Precision Micropower, Low Dropout, Low Voltage Reference |
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Can't find the software or driver you need?
Request a Driver/SoftwareEvaluation Kits 1
EVAL-AD7091R-2
AD7091R-2/AD7091R-4/AD7091R-8 Evaluation Board
Features and Benefits
- Full featured evaluation board for the AD7091R-2/AD7091R-4/AD7091R-8 family
- On-board power supplies
- Standalone capability
- System demonstration platform (SDP) compatible ( EVAL-SDP-CB1Z)
- PC software for control and data analysis (download from product page)
Product Detail
The EVAL-AD7091R-2SDZ, EVAL-AD7091R-4SDZ, and EVAL-AD7091R-8SDZ are full featured evaluation boards designed to allow the user to easily evaluate all features of the AD7091R-2/ AD7091R-4/ AD7091R-8 family of analog-to-digital converters (ADCs). The evaluation board can be controlled via the SDP connector (J13). The SDP board ( EVAL-SDP-CB1Z) allows the evaluation board to be controlled through the USB port of a PC using the evaluation board software available for download from the product page.
On-board components include: the AD8031 high speed precision rail-to-rail op amp, the AD8032 high speed precision rail-to-rail dual op amp, the ADP3303 high accuracy 200 mA low dropout linear regulator, and the REF193 3.0 volt precision micropower, low dropout, low voltage reference.
Additional Equipment
- EVAL-SDP-CB1Z (must be ordered separately) includes a USB cable
- Signal source
- PC running Windows XP SP2, Windows Vista, or Windows 7 with USB 2.0 port
Resources
Evaluation Kits1
Tools & Simulations 1
IBIS Model 1
IBIS Model
