Overview
The AD7892SQ-1 is a high-speed, low-power, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component operates from a single +5 V supply and is designed for applications requiring high accuracy and fast conversion rates. The AD7892SQ-1 features a successive approximation ADC, an on-chip track/hold amplifier, and an internal +2.5 V reference, making it versatile for various analog input ranges.
Key Specifications
| Parameter | Value | Notes |
|---|---|---|
| Resolution | 12 bits | |
| Conversion Rate | Up to 600 kSPS | Depends on the specific model variant |
| Supply Voltage | +5 V ± 5% | |
| Power Consumption | Typically 60 mW | |
| Analog Input Range | ±10 V, ±5 V, 0 V to +2.5 V, ±2.5 V | Depends on the model variant (AD7892-1, AD7892-2, AD7892-3) |
| Overvoltage Protection | Up to ±17 V or ±7 V | For AD7892-1 and AD7892-3 respectively |
| Conversion Time | 1.47 µs (AD7892-3) | |
| Track/Hold Acquisition Time | 200 ns (AD7892-3) | |
| Package Options | 24-Lead CerDIP, 24-Lead PDIP, 24-Lead SOIC |
Key Features
- High-speed conversion rates up to 600 kSPS.
- Low power consumption, typically 60 mW.
- Single +5 V supply operation.
- On-chip track/hold amplifier and internal +2.5 V reference.
- Flexible interface options including parallel and serial data output.
- Overvoltage protection on analog inputs for certain models.
- Available in various package options including CerDIP, PDIP, and SOIC.
Applications
- Data acquisition systems.
- Medical devices requiring high accuracy and low power consumption.
- Industrial control systems.
- Portable and battery-powered devices.
- Digital signal processing applications.
Q & A
- What is the resolution of the AD7892SQ-1?
The AD7892SQ-1 has a resolution of 12 bits.
- What is the maximum conversion rate of the AD7892SQ-1?
The maximum conversion rate is up to 600 kSPS, depending on the model variant.
- What is the supply voltage for the AD7892SQ-1?
The supply voltage is +5 V ± 5%.
- How much power does the AD7892SQ-1 typically consume?
The AD7892SQ-1 typically consumes 60 mW of power.
- What are the available analog input ranges for the AD7892SQ-1?
The available analog input ranges are ±10 V, ±5 V, 0 V to +2.5 V, and ±2.5 V, depending on the model variant.
- Does the AD7892SQ-1 have overvoltage protection?
Yes, the AD7892-1 and AD7892-3 models have overvoltage protection up to ±17 V and ±7 V respectively.
- What is the conversion time for the AD7892SQ-1?
The conversion time for the AD7892-3 is 1.47 µs.
- What is the track/hold acquisition time for the AD7892SQ-1?
The track/hold acquisition time for the AD7892-3 is 200 ns.
- In what packages is the AD7892SQ-1 available?
The AD7892SQ-1 is available in 24-Lead CerDIP, 24-Lead PDIP, and 24-Lead SOIC packages.
- What types of interfaces does the AD7892SQ-1 support?
The AD7892SQ-1 supports both parallel and serial data output interfaces.
