Overview
The AD7472ARU 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 speed and low power consumption, making it suitable for a variety of electronic systems.
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 TSSOP |
| Operating Temperature Range | –40°C to +85°C |
| Interface | High-speed parallel interface |
| Sleep Mode Current | 50 nA typical |
Key Features
- High throughput rates with low power consumption: The AD7472 offers up to 1.5 MSPS throughput while consuming only 4 mW of power.
- Flexible power/throughput rate management: The conversion rate is controlled by an externally applied clock, allowing power reduction as the conversion rate is reduced.
- No pipeline delays: The ADC features accurate control of the sampling instant via a CONVST input and once-off conversion control.
- Auto sleep mode: Maximizes power efficiency at lower throughput rates.
- Wide input bandwidth: Handles input frequencies in excess of 1 MHz.
- High-speed parallel interface: Easy interfacing to microprocessors or DSPs using standard CS and RD signals.
Applications
The AD7472ARU is suitable for various high-speed data acquisition applications, including:
- Medical imaging and diagnostics
- Aerospace and defense systems
- Industrial automation and control systems
- High-speed data logging and monitoring systems
- Communication systems requiring high-speed ADCs
Q & A
- What is the resolution of the AD7472ARU?
The AD7472ARU has a resolution of 12 bits. - What is the maximum throughput rate of the AD7472ARU?
The maximum throughput rate is up to 1.5 MSPS. - What is the power supply range for the AD7472ARU?
The power supply range is from 2.7 V to 5.25 V. - How much power does the AD7472ARU 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 AD7472ARU?
The input bandwidth is wide, handling frequencies in excess of 1 MHz. - What is the signal-to-noise ratio (SNR) of the AD7472ARU?
The SNR is typically 70 dB at a 500 kHz input frequency. - What type of package does the AD7472ARU come in?
The AD7472ARU comes in a 24-Lead TSSOP package. - What is the operating temperature range of the AD7472ARU?
The operating temperature range is from –40°C to +85°C. - Does the AD7472ARU have pipeline delays?
No, the AD7472ARU does not have pipeline delays. - How does the AD7472ARU manage power efficiency?
The AD7472ARU features an auto sleep mode to maximize power efficiency at lower throughput rates.
