Overview
The AD7472YR is a 12-bit, high-speed, low-power successive approximation analog-to-digital converter (ADC) produced by Analog Devices Inc. This component operates from a single 2.7 V to 5.25 V power supply and features a throughput rate of up to 1.5 million samples per second (MSPS). It is designed for applications requiring high accuracy and low power consumption, making it suitable for a variety of data acquisition and signal processing tasks.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Throughput Rate | Up to 1.5 MSPS |
| Power Supply | 2.7 V to 5.25 V |
| Power Consumption | Typically 3.54 mW at 1.2 MSPS with 3 V supplies, 8.7 mW at 1.5 MSPS with 5 V supplies |
| Input Bandwidth | Wide input bandwidth, handling frequencies in excess of 1 MHz |
| Signal-to-Noise Ratio (SNR) | 70 dB typical at 500 kHz input frequency |
| Package Type | 24-lead SOIC and TSSOP |
| Operating Temperature | –40°C to +125°C |
| Interface | High-speed parallel interface |
| Sleep Mode Current | 50 nA typical |
Key Features
- High throughput with low power consumption: The AD7472YR offers a throughput rate of up to 1.5 MSPS while consuming only 3.54 mW at 1.2 MSPS with 3 V supplies.
- Flexible power/throughput rate management: The conversion rate is determined by an externally applied clock, allowing power reduction as the conversion rate is reduced. The part also features an auto sleep mode to maximize power efficiency.
- No pipeline delays: The ADC features a standard successive approximation architecture with accurate control of the sampling instant via a CONVST input.
- Low noise, wide bandwidth track-and-hold amplifier: Capable of handling input frequencies in excess of 1 MHz.
- High-speed parallel interface: Allows easy interfacing to microprocessors or DSPs.
Applications
The AD7472YR is suitable for various applications requiring high-speed, low-power analog-to-digital conversion, such as:
- Data acquisition systems
- Signal processing systems
- Medical devices
- Industrial control systems
- Aerospace and defense systems
Q & A
- What is the resolution of the AD7472YR ADC?
The AD7472YR has a resolution of 12 bits. - What is the maximum throughput rate of the AD7472YR?
The maximum throughput rate is up to 1.5 MSPS. - What is the power supply range for the AD7472YR?
The power supply range is from 2.7 V to 5.25 V. - How much power does the AD7472YR typically consume?
Typically, it consumes 3.54 mW at 1.2 MSPS with 3 V supplies and 8.7 mW at 1.5 MSPS with 5 V supplies. - What is the input bandwidth of the AD7472YR?
The input bandwidth is wide, handling frequencies in excess of 1 MHz. - What is the signal-to-noise ratio (SNR) of the AD7472YR?
The SNR is typically 70 dB at a 500 kHz input frequency. - In what package types is the AD7472YR available?
The AD7472YR is available in 24-lead SOIC and TSSOP packages. - What is the operating temperature range of the AD7472YR?
The operating temperature range is from –40°C to +125°C. - Does the AD7472YR have any pipeline delays?
No, the AD7472YR does not have any pipeline delays. - What is the sleep mode current of the AD7472YR?
The sleep mode current is typically 50 nA.
