Overview
The AD7091R-8BRUZ-RL7 is a 12-bit, ultralow power, successive approximation analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the AD7091R family, which includes options for two, four, or eight analog input channels. The AD7091R-8BRUZ-RL7 specifically offers eight single-ended analog input channels, making it versatile for various applications requiring multiple input conversions.
It operates from a single power supply ranging from 2.7 V to 5.25 V and is capable of achieving a sampling rate of up to 1 million samples per second (MSPS). The device features a high-speed serial interface (SPI) and supports both SPI and DSP compatible data interfaces.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Number of Channels | 8 single-ended inputs |
| Sampling Rate | Up to 1 MSPS |
| Architecture | Successive Approximation (SAR) |
| Configuration | Sample-and-hold ADC |
| Data Interface | SPI, DSP compatible |
| Analog Supply Voltage Range | 2.09 V to 5.25 V |
| Digital Supply Voltage Range | 2.09 V to 5.25 V |
| Reference Type | External or Internal (2.5 V on-chip reference) |
| Package | 24-TSSOP (0.173", 4.40mm Width) |
| Operational Temperature Range | -40°C to 125°C |
Key Features
- Ultralow power consumption, making it suitable for battery-powered devices.
- On-chip conversion clock and accurate 2.5 V reference voltage.
- High-speed serial interface (SPI) for data readout after conversion.
- Channel sequencer allowing preprogrammed selection of channels for sequential conversion.
- Flexible power management options and alert functionality.
- General-purpose output pins and busy indication.
- MUXOUT and ADCIN pins for signal conditioning of the multiplexer output.
Applications
- Instrumentation and control systems.
- Data acquisition systems.
- Optical sensors and diagnostic/monitoring functions.
- Battery-powered devices requiring low power consumption.
- Industrial automation and medical devices.
Q & A
- What is the resolution of the AD7091R-8BRUZ-RL7?
The AD7091R-8BRUZ-RL7 has a 12-bit resolution.
- How many analog input channels does the AD7091R-8BRUZ-RL7 have?
The AD7091R-8BRUZ-RL7 has eight single-ended analog input channels.
- What is the maximum sampling rate of the AD7091R-8BRUZ-RL7?
The maximum sampling rate is up to 1 million samples per second (MSPS).
- What type of architecture does the AD7091R-8BRUZ-RL7 use?
The AD7091R-8BRUZ-RL7 uses a successive approximation (SAR) architecture.
- What is the power supply range for the AD7091R-8BRUZ-RL7?
The power supply range is from 2.7 V to 5.25 V.
- What type of data interface does the AD7091R-8BRUZ-RL7 support?
The AD7091R-8BRUZ-RL7 supports SPI and DSP compatible data interfaces.
- Does the AD7091R-8BRUZ-RL7 have an on-chip reference voltage?
Yes, it has an on-chip accurate 2.5 V reference voltage.
- What is the operational temperature range of the AD7091R-8BRUZ-RL7?
The operational temperature range is from -40°C to 125°C.
- What package type is the AD7091R-8BRUZ-RL7 available in?
The AD7091R-8BRUZ-RL7 is available in a 24-TSSOP package.
- What are some common applications for the AD7091R-8BRUZ-RL7?
Common applications include instrumentation and control systems, data acquisition systems, optical sensors, and diagnostic/monitoring functions.
