Overview
The AD7904WYRUZ-REEL7 is a high-speed, low-power, 8-bit successive approximation analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the AD7904/AD7914/AD7924 family, which includes 8-bit, 10-bit, and 12-bit versions, respectively. The AD7904 is designed to operate 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 exceeding 8 MHz. The device is well-suited for applications requiring high-speed data acquisition with minimal power consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 8-bit |
| Throughput Rate | Up to 1 MSPS |
| Power Supply Range | 2.7 V to 5.25 V |
| Power Consumption (3 V supply) | 2 mA maximum |
| Power Consumption (5 V supply) | 2.7 mA maximum |
| Analog Input Channels | 4 single-ended |
| Input Frequency Range | Exceeding 8 MHz |
| Reference Input Range | 2.5 V ± 1% |
| Package Type | 16-Lead TSSOP |
| Operating Temperature Range | -40°C to +125°C |
Key Features
- High throughput rate of up to 1 MSPS with low power consumption.
- Low noise, wide bandwidth track-and-hold amplifier.
- Four single-ended analog input channels with a channel sequencer.
- Configurable analog input range: 0 V to REFIN or 0 V to 2 × REFIN.
- Support for straight binary or twos complement output coding.
- No pipeline delays associated with the conversion process.
- Easily interfaces with microprocessors or DSPs using CS and serial clock signals.
Applications
The AD7904WYRUZ-REEL7 is suitable for a variety of high-speed data acquisition applications, including:
- Medical devices requiring precise and fast analog-to-digital conversion.
- Industrial control systems that need rapid data acquisition and processing.
- Aerospace and defense applications where low power consumption and high throughput are critical.
- Automotive systems that require robust and efficient ADCs.
- Test and measurement equipment where accuracy and speed are paramount.
Q & A
- What is the resolution of the AD7904WYRUZ-REEL7?
The AD7904WYRUZ-REEL7 has an 8-bit resolution. - What is the maximum throughput rate of the AD7904WYRUZ-REEL7?
The maximum throughput rate is up to 1 MSPS. - What is the power supply range for the AD7904WYRUZ-REEL7?
The power supply range is from 2.7 V to 5.25 V. - How many analog input channels does the AD7904WYRUZ-REEL7 have?
The device has four single-ended analog input channels. - What is the input frequency range that the track-and-hold amplifier can handle?
The track-and-hold amplifier can handle input frequencies exceeding 8 MHz. - Can the AD7904WYRUZ-REEL7 be configured to cycle through multiple channels automatically?
Yes, the device can be programmed to continuously convert on a number of consecutive channels in ascending order using the sequencer feature. - What is the typical power consumption of the AD7904WYRUZ-REEL7 at 3 V and 5 V supplies?
At 3 V supply, the power consumption is 2 mA maximum, and at 5 V supply, it is 2.7 mA maximum. - What type of output coding does the AD7904WYRUZ-REEL7 support?
The device supports both straight binary and twos complement output coding. - What is the operating temperature range of the AD7904WYRUZ-REEL7?
The operating temperature range is -40°C to +125°C. - What package type is the AD7904WYRUZ-REEL7 available in?
The device is available in a 16-Lead TSSOP package.
