Overview
The AD7470ARU-REEL7 is a 10-bit successive approximation analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the AD7470 series, known for its high throughput and low power consumption. The AD7470ARU-REEL7 operates from a single 2.7 V to 5.25 V power supply and is packaged in a 24-lead TSSOP (Thin Shrink Small Outline Package).
This ADC is designed for high-speed data acquisition with throughput rates up to 1.75 MSPS (Mega Samples Per Second). It features a low noise, wide bandwidth track-and-hold amplifier, making it suitable for applications requiring accurate and fast analog-to-digital conversion.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 10 bits |
| Throughput Rate | Up to 1.75 MSPS |
| Power Supply | 2.7 V to 5.25 V |
| Package Type | 24-lead TSSOP |
| Operating Temperature | –40°C to +85°C |
| Input Range | 0 V to REF IN (externally applied reference) |
| Current Consumption | Typically 1.1 mA at 3 V and 1.5 MSPS, 1.6 mA at 5 V and 1.75 MSPS |
| Sleep Mode Current | 50 nA typical |
Key Features
- High Throughput with Low Power Consumption: The AD7470ARU-REEL7 offers high-speed conversion rates up to 1.75 MSPS while consuming only 4 mW of power at 1.5 MSPS with 5 V supplies.
- Flexible Power/Throughput Rate Management: The conversion rate can be managed using an externally applied clock, allowing for reduced power consumption at lower throughput rates. It also features an auto sleep mode to maximize power efficiency.
- No Pipeline Delays: The ADC features a standard successive approximation architecture with no pipeline delays, ensuring accurate control of the sampling instant via the CONVST input.
- High Speed Parallel Interface: Data is accessed via standard CS and RD signals over a high-speed parallel interface, facilitating easy interfacing to microprocessors or DSPs.
- Low Noise and Wide Bandwidth Track-and-Hold Amplifier: The ADC contains a low noise, wide bandwidth track-and-hold amplifier capable of handling input frequencies in excess of 1 MHz.
Applications
The AD7470ARU-REEL7 is suitable for a variety of applications that require high-speed, low-power analog-to-digital conversion. These include:
- Data Acquisition Systems: High-speed data acquisition in industrial, medical, and scientific instruments.
- Embedded Systems: Integration into microprocessor or DSP-based systems where fast and accurate analog-to-digital conversion is necessary.
- Medical Devices: Applications requiring low power consumption and high throughput rates, such as in portable medical devices.
- Aerospace and Defense: Systems that demand high reliability and performance in harsh environments.
Q & A
- What is the resolution of the AD7470ARU-REEL7?
The AD7470ARU-REEL7 has a resolution of 10 bits.
- What is the maximum throughput rate of the AD7470ARU-REEL7?
The maximum throughput rate is up to 1.75 MSPS.
- What is the power supply range for the AD7470ARU-REEL7?
The power supply range is from 2.7 V to 5.25 V.
- What type of package does the AD7470ARU-REEL7 come in?
The AD7470ARU-REEL7 comes in a 24-lead TSSOP package.
- What is the operating temperature range for the AD7470ARU-REEL7?
The operating temperature range is from –40°C to +85°C.
- How does the AD7470ARU-REEL7 manage power consumption?
The AD7470ARU-REEL7 features flexible power/throughput rate management and an auto sleep mode to reduce power consumption at lower throughput rates.
- What is the typical current consumption of the AD7470ARU-REEL7?
Typically 1.1 mA at 3 V and 1.5 MSPS, and 1.6 mA at 5 V and 1.75 MSPS).
- Does the AD7470ARU-REEL7 have pipeline delays?
No, the AD7470ARU-REEL7 does not have pipeline delays).
- How is data accessed from the AD7470ARU-REEL7?
Data is accessed via standard CS and RD signals over a high-speed parallel interface).
- What is the input range for the AD7470ARU-REEL7?
The input range is from 0 V to the externally applied reference voltage (REF IN)).
