Overview
The AD7908BRUZ-REEL is an 8-bit, high-speed, low-power, successive approximation analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This component is part of the AD7908/AD7918/AD7928 family and is designed for applications requiring multiple analog input channels with high throughput rates.
The AD7908 operates from a single 2.7 V to 5.25 V power supply and features a throughput rate of up to 1 MSPS. It includes a low noise, wide bandwidth track-and-hold amplifier capable of handling input frequencies in excess of 8 MHz. The device is packaged in a 20-lead TSSOP and is qualified for automotive applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 8-bit |
| Number of Channels | 8 single-ended analog inputs |
| Throughput Rate | Up to 1 MSPS |
| Power Supply | 2.7 V to 5.25 V |
| Package Type | 20-lead TSSOP (0.173", 4.40mm Width) |
| Operating Temperature Range | -40°C to +85°C |
| Input Range | 0 V to REFIN or 0 V to 2 × REFIN |
| Output Coding | Straight binary or twos complement |
| Interface | SPI, QSPI, MICROWIRE, DSP compatible |
| Shutdown Current | 0.5 μA max |
Key Features
- High-speed successive approximation ADC with up to 1 MSPS throughput rate.
- Low noise, wide bandwidth track-and-hold amplifier.
- Eight single-ended analog input channels with a channel sequencer for sequential conversion.
- Flexible power and serial clock speed management.
- No pipeline delays.
- High-speed serial interface compatible with SPI, QSPI, MICROWIRE, and DSP.
- Low power consumption: 2 mA max at 3 V supply and 2.7 mA max at 5 V supply.
- Shutdown mode with 0.5 μA max current.
- Qualified for automotive applications.
Applications
- Automotive systems: Due to its qualification for automotive applications, it is suitable for various automotive electronics.
- Industrial control systems: High reliability and low power consumption make it ideal for industrial control and monitoring systems.
- Medical devices: The high accuracy and low noise characteristics are beneficial in medical device applications.
- Consumer electronics: It can be used in consumer electronics requiring multiple analog input channels and high-speed conversion.
- Data acquisition systems: Suitable for data acquisition systems that require high throughput rates and low power consumption.
Q & A
- What is the resolution of the AD7908BRUZ-REEL ADC?
The AD7908BRUZ-REEL has an 8-bit resolution.
- How many analog input channels does the AD7908BRUZ-REEL have?
The AD7908BRUZ-REEL has eight single-ended analog input channels.
- What is the maximum throughput rate of the AD7908BRUZ-REEL?
The maximum throughput rate is up to 1 MSPS.
- What is the power supply range for the AD7908BRUZ-REEL?
The power supply range is from 2.7 V to 5.25 V.
- What type of package does the AD7908BRUZ-REEL come in?
The AD7908BRUZ-REEL comes in a 20-lead TSSOP package.
- What is the operating temperature range for the AD7908BRUZ-REEL?
The operating temperature range is -40°C to +85°C.
- What types of output coding does the AD7908BRUZ-REEL support?
The AD7908BRUZ-REEL supports straight binary and twos complement output coding.
- Is the AD7908BRUZ-REEL compatible with automotive applications?
Yes, the AD7908BRUZ-REEL is qualified for automotive applications.
- What is the shutdown current of the AD7908BRUZ-REEL?
The shutdown current is 0.5 μA max.
- What interfaces does the AD7908BRUZ-REEL support?
The AD7908BRUZ-REEL supports SPI, QSPI, MICROWIRE, and DSP interfaces.
