Overview
The AD7091R-8BCPZ-RL7, produced by Analog Devices Inc., is a member of the AD7091R family of multichannel, 12-bit, ultralow power, successive approximation analog-to-digital converters (ADCs). This specific model offers eight single-ended analog input channels, making it highly versatile for various data acquisition and monitoring applications. The ADC operates from a single 2.7 V to 5.25 V power supply and is capable of achieving a sampling rate of 1 MSPS. It features advanced design techniques to minimize power dissipation while maintaining high throughput rates, making it an ideal choice for power-sensitive and high-performance applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Number of Channels | - | 8 | - | - |
| Resolution | - | 12-bit | - | - |
| Sampling Rate | - | 1 MSPS | - | - |
| Power Supply | 2.7 V | - | 5.25 V | V |
| Conversion Time | 600 ns | - | - | ns |
| Acquisition Time | 400 ns | - | - | ns |
| Time Between Conversions (Normal Mode) | 1000 ns | - | - | ns |
| SCLK Period (Normal Mode) | 16 ns (VDRIVE > 2.7 V) | - | 22 ns (VDRIVE > 1.8 V) | ns |
| Package Type | - | 24-Lead LFCSP | - | - |
Key Features
- Ultralow Power Consumption: The AD7091R-8BCPZ-RL7 is designed to achieve ultralow power dissipation at high throughput rates, making it suitable for battery-powered and power-sensitive applications.
- Flexible Power Management: The ADC features flexible power management options, including an on-chip configuration register that allows users to set up different operating conditions such as power management, alert functionality, and busy indication.
- High-Speed Serial Interface: The device includes a high-speed serial interface (SPI) that enables data to be read after conversion, achieving a 1 MSPS throughput rate.
- Channel Sequencer: The ADC offers a channel sequencer that allows a preprogrammed selection of channels to be converted sequentially.
- On-Chip Conversion Clock and Reference: It features an on-chip conversion clock and an accurate 2.5 V reference, enhancing the overall performance and accuracy of the ADC.
- General-Purpose Output Pins: The device includes general-purpose output pins that can be configured for various functions such as alert indication and busy status.
Applications
- Data Acquisition Systems: The AD7091R-8BCPZ-RL7 is well-suited for data acquisition systems due to its high sampling rate and low power consumption.
- Instrumentation and Control Systems: It is ideal for use in instrumentation and control systems where precise and efficient data conversion is required.
- Optical Sensors and Diagnostic/Monitoring Functions: The ADC can be used in applications involving optical sensors and various diagnostic and monitoring functions.
- Battery-Powered Devices: Its ultralow power consumption makes it a good fit for battery-powered devices and other power-sensitive applications.
Q & A
- What is the resolution of the AD7091R-8BCPZ-RL7 ADC?
The AD7091R-8BCPZ-RL7 has a resolution of 12 bits.
- What is the maximum sampling rate of the AD7091R-8BCPZ-RL7?
The maximum sampling rate is 1 MSPS.
- What is the power supply range for the AD7091R-8BCPZ-RL7?
The power supply range is from 2.7 V to 5.25 V.
- What type of package does the AD7091R-8BCPZ-RL7 come in?
The device comes in a 24-Lead LFCSP package.
- Does the AD7091R-8BCPZ-RL7 have an on-chip conversion clock?
Yes, it features an on-chip conversion clock.
- What is the purpose of the channel sequencer in the AD7091R-8BCPZ-RL7?
The channel sequencer allows a preprogrammed selection of channels to be converted sequentially.
- How is data read from the AD7091R-8BCPZ-RL7?
Data is read through a high-speed serial interface (SPI).
- What are some of the applications of the AD7091R-8BCPZ-RL7?
It is used in data acquisition systems, instrumentation and control systems, optical sensors, and diagnostic/monitoring functions.
- Does the AD7091R-8BCPZ-RL7 support flexible power management?
Yes, it supports flexible power management through an on-chip configuration register.
- What is the significance of the on-chip 2.5 V reference in the AD7091R-8BCPZ-RL7?
The on-chip 2.5 V reference provides an accurate voltage reference for the ADC, enhancing its performance and accuracy.
