Overview
The AD7904BRUZ 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 AD7904BRUZ operates from a single 2.7 V to 5.25 V power supply and features throughput rates up to 1 MSPS, making it suitable for a variety of high-speed data acquisition applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 8 bits |
| Number of Channels | 4 single-ended analog inputs |
| Throughput Rate | Up to 1 MSPS |
| Power Supply | 2.7 V to 5.25 V |
| Power Consumption | 2 mA (3 V supply), 2.7 mA (5 V supply) |
| Input Frequency Range | Exceeds 8 MHz |
| Package Type | 16-lead TSSOP |
| Operating Temperature Range | -40°C to +85°C |
Key Features
- High Throughput with Low Power Consumption: The AD7904BRUZ offers high throughput rates of up to 1 MSPS while dissipating only 6 mW of power at maximum throughput with a 3 V supply.
- Four Single-Ended Inputs with Channel Sequencer: The ADC features four single-ended analog inputs and a channel sequencer, allowing the user to select a sequence of channels for consecutive conversions.
- Single-Supply Operation with VDRIVE Function: The component operates from a single power supply and includes a VDRIVE function, enabling the serial interface to connect directly to 3 V or 5 V processor systems.
- Flexible Power/Serial Clock Speed Management: The conversion rate is controlled by the serial clock speed, and the part includes two shutdown modes for power efficiency at lower throughput rates.
- Low Noise, Wide Bandwidth Track-and-Hold Amplifier: The ADC contains a low noise, wide bandwidth track-and-hold amplifier capable of handling input frequencies exceeding 8 MHz.
Applications
The AD7904BRUZ is suitable for various high-speed data acquisition applications, including industrial control systems, medical devices, automotive systems, and any environment requiring fast and accurate analog-to-digital conversion with low power consumption.
Q & A
- What is the resolution of the AD7904BRUZ ADC?
The AD7904BRUZ has an 8-bit resolution. - How many analog input channels does the AD7904BRUZ have?
The AD7904BRUZ has four single-ended analog input channels. - What is the maximum throughput rate of the AD7904BRUZ?
The maximum throughput rate is up to 1 MSPS. - What is the power supply range for the AD7904BRUZ?
The power supply range is from 2.7 V to 5.25 V. - How much power does the AD7904BRUZ consume at maximum throughput with a 3 V supply?
The power consumption is 6 mW at maximum throughput with a 3 V supply. - What is the operating temperature range of the AD7904BRUZ?
The operating temperature range is -40°C to +85°C. - Does the AD7904BRUZ have a channel sequencer?
Yes, the AD7904BRUZ features a channel sequencer to allow consecutive conversions on selected channels. - What is the VDRIVE function in the AD7904BRUZ?
The VDRIVE function allows the serial interface to connect directly to 3 V or 5 V processor systems, independent of VDD. - How is the conversion rate controlled in the AD7904BRUZ?
The conversion rate is controlled by the serial clock speed. - What type of amplifier does the AD7904BRUZ contain?
The AD7904BRUZ contains a low noise, wide bandwidth track-and-hold amplifier.
