Overview
The AD7575AQ is a high-speed 8-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed for high-performance applications requiring fast conversion times and precise signal digitization. The AD7575AQ utilizes the successive approximation conversion technique, enabling a conversion time of 5 µs. It also features a built-in track/hold function, allowing it to digitize full-scale signals up to 50 kHz with a slew rate of 386 µV/ms. The device operates on a single +5 V supply and uses a low-cost 1.23 V bandgap reference to convert input signals in the range of 0 to 2 V.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 8-bit | |
| Conversion Time | 5 µs | |
| Input Signal Range | 0 to 2 V | |
| Supply Voltage | +5 V | |
| Reference Voltage | 1.23 V | |
| Maximum Input Frequency | 50 kHz | |
| Slew Rate | 386 µV/ms | |
| Package Type | 18-lead CerDIP, 20-terminal surface mount | |
| Operating Temperature Range | -25°C to +85°C |
Key Features
- High-speed conversion using successive approximation technique
- Built-in track/hold function for digitizing high-frequency signals
- Easy interfacing to 8-bit microprocessors using standard control signals (CS and RD)
- Configurable as a memory-mapped device or as SLOW-MEMORY or ROM
- Latched and three-state buffered data outputs for direct connection to microprocessor data bus or I/O port
- Fabricated in advanced, all ion-implanted high-speed Linear Compatible CMOS (LCMOS) process
Applications
- Data acquisition systems
- Industrial control systems
- Medical devices requiring high-speed ADCs
- Aerospace and defense applications
- Embedded systems needing precise and fast analog-to-digital conversion
Q & A
- What is the resolution of the AD7575AQ?
The AD7575AQ has an 8-bit resolution.
- What is the conversion time of the AD7575AQ?
The conversion time of the AD7575AQ is 5 µs.
- What is the input signal range for the AD7575AQ?
The input signal range for the AD7575AQ is 0 to 2 V.
- What type of supply voltage does the AD7575AQ require?
The AD7575AQ requires a single +5 V supply.
- How does the AD7575AQ interface with microprocessors?
The AD7575AQ interfaces easily with 8-bit microprocessors using standard control signals (CS and RD).
- What types of packages are available for the AD7575AQ?
The AD7575AQ is available in 18-lead CerDIP and 20-terminal surface mount packages.
- What is the maximum input frequency that the AD7575AQ can handle?
The AD7575AQ can handle input frequencies up to 50 kHz.
- What is the slew rate of the AD7575AQ?
The slew rate of the AD7575AQ is 386 µV/ms.
- What is the operating temperature range of the AD7575AQ?
The operating temperature range of the AD7575AQ is -25°C to +85°C.
- What process is the AD7575AQ fabricated in?
The AD7575AQ is fabricated in an advanced, all ion-implanted high-speed Linear Compatible CMOS (LCMOS) process.
