Overview
The AD7547BQ, produced by Analog Devices Inc., is a dual 12-bit current output Digital-to-Analog Converter (DAC) integrated on a single monolithic chip. This device is designed for easy interfacing with microprocessors and features level shifters, data registers, and control logic. The AD7547BQ is speed compatible with most microprocessors and accepts TTL, 74HC, and 5V CMOS logic level inputs. It provides 4-quadrant multiplication capabilities with separate reference inputs and feedback resistors, ensuring excellent thermal and gain error tracking.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 12-bit | |
| Number of DACs | 2 | |
| Output Type | Current Output | |
| Logic Compatibility | TTL, 74HC, 5V CMOS | |
| Package Type | 28-Lead PLCC | |
| Operating Temperature Range | -40°C to +85°C | |
| Supply Voltage | 5V | V |
| Monotonicity | Guaranteed over full temperature range |
Key Features
- Dual 12-bit current output DACs on a single chip.
- Level shifters, data registers, and control logic for easy microprocessor interfacing.
- 4-quadrant multiplication capabilities with separate reference inputs and feedback resistors.
- Monolithic construction ensuring excellent thermal and gain error tracking.
- Speed compatible with most microprocessors.
- Accepts TTL, 74HC, and 5V CMOS logic level inputs.
Applications
- Industrial control systems.
- Automotive systems.
- Aerospace and defense applications.
- Medical devices requiring precise analog output.
- Test and measurement equipment.
Q & A
- What is the resolution of the AD7547BQ DAC?
The AD7547BQ has a resolution of 12 bits.
- How many DACs are integrated on the AD7547BQ chip?
The AD7547BQ contains two 12-bit current output DACs.
- What type of logic inputs does the AD7547BQ accept?
The AD7547BQ accepts TTL, 74HC, and 5V CMOS logic level inputs.
- What is the package type of the AD7547BQ?
The AD7547BQ is available in a 28-Lead PLCC package.
- What is the operating temperature range of the AD7547BQ?
The operating temperature range is -40°C to +85°C.
- Is the AD7547BQ monotonic over its full temperature range?
Yes, the AD7547BQ is guaranteed to be monotonic over its full temperature range.
- What is the supply voltage requirement for the AD7547BQ?
The AD7547BQ requires a single 5V supply voltage.
- What are the key applications of the AD7547BQ?
The AD7547BQ is used in industrial control systems, automotive systems, aerospace and defense applications, medical devices, and test and measurement equipment.
- How does the AD7547BQ ensure thermal and gain error tracking?
The monolithic construction of the AD7547BQ ensures excellent thermal and gain error tracking.
- Can the AD7547BQ be easily interfaced with microprocessors?
Yes, the AD7547BQ is designed for easy interfacing with microprocessors using level shifters, data registers, and control logic.
