Overview
The AD7924BRU is a 12-bit, high-speed, low-power, 4-channel successive approximation analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device operates from a single 2.7 V to 5.25 V power supply and features throughput rates up to 1 MSPS. It is designed for applications requiring high-speed data acquisition with low power consumption. The AD7924BRU includes a low noise, wide bandwidth track-and-hold amplifier and a serial interface that allows easy connection to microprocessors or DSPs.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12-bit |
| Number of Channels | 4 single-ended |
| Throughput Rate | Up to 1 MSPS |
| Power Supply | 2.7 V to 5.25 V |
| Power Consumption (max) | 2 mA @ 3 V, 2.7 mA @ 5 V |
| Package Type | 16-Lead TSSOP |
| Operating Temperature | −40°C to +85°C |
| Input Frequency Range | Exceeds 8 MHz |
| Output Coding | Straight binary or twos complement |
| Analog Input Range | 0 V to REFIN or 0 V to 2 × REFIN |
Key Features
- High throughput with low power consumption, achieving up to 1 MSPS with minimal power dissipation.
- Four single-ended analog inputs with a channel sequencer, allowing for a preprogrammed sequence of channel conversions.
- Single-supply operation with a VDRIVE function, enabling the serial interface to connect directly to 3 V or 5 V processor systems.
- Flexible power and serial clock speed management, including two shutdown modes for power efficiency at lower throughput rates.
- Low noise, wide bandwidth track-and-hold amplifier capable of handling input frequencies exceeding 8 MHz.
Applications
The AD7924BRU is suitable for a variety of applications requiring high-speed data acquisition, such as industrial control systems, medical devices, automotive systems, and any environment where low power consumption and high throughput are critical.
Q & A
- What is the resolution of the AD7924BRU ADC?
The AD7924BRU has a resolution of 12 bits. - How many analog input channels does the AD7924BRU have?
The AD7924BRU has four single-ended analog input channels. - What is the maximum throughput rate of the AD7924BRU?
The maximum throughput rate is up to 1 MSPS. - What is the power supply range for the AD7924BRU?
The power supply range is from 2.7 V to 5.25 V. - What is the typical power consumption of the AD7924BRU?
The typical power consumption is 2 mA at 3 V and 2.7 mA at 5 V. - What type of package does the AD7924BRU come in?
The AD7924BRU comes in a 16-Lead TSSOP package. - What is the operating temperature range of the AD7924BRU?
The operating temperature range is from −40°C to +85°C. - Can the AD7924BRU handle high-frequency input signals?
Yes, the AD7924BRU can handle input frequencies exceeding 8 MHz. - What output coding options are available for the AD7924BRU?
The output coding options are straight binary or twos complement. - Is the AD7924BRU RoHS compliant?
Yes, the AD7924BRU is RoHS compliant.
