Overview
The AD7628KRZ-REEL is a monolithic dual 8-bit digital-to-analog converter (DAC) produced by Analog Devices Inc. This component is designed to offer excellent DAC-to-DAC matching, making it suitable for a variety of applications, particularly in audio, graphics, and process control areas. The AD7628 features two identical 8-bit multiplying DACs, each with a highly stable thin film R-2R ladder and eight N-channel current steering switches. The device is available in a compact 20-pin SOIC package, enhancing its usability in space-constrained designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Bits | 8 | |
| Number of DACs | 2 | |
| Package Type | 20-SOIC | |
| Package Dimensions | 7.6mm x 12.8mm x 2.35mm | |
| Supply Voltage Range | 10.8V to 15.75V | V |
| Power Dissipation | 20 mW | mW |
| Settling Time | 400 ns | ns |
| Integral Non-Linearity (INL) | ±0.5 LSB (max) | LSB |
| Digital Input High Voltage (VIH) | 2.4 V (min) | V |
| Digital Input Low Voltage (VIL) | 0.8 V (max) | V |
Key Features
- DAC-to-DAC Matching: Excellent matching and tracking between the two DACs due to their fabrication on the same chip.
- Compact Package: Available in a small 20-pin SOIC package, making it suitable for space-constrained designs.
- Four Quadrant Multiplication: Each DAC offers four quadrant multiplication characteristics with separate reference inputs and feedback resistors.
- Low Power Dissipation: Operates with a low power dissipation of 20 mW.
- TTL Compatibility: Compatible with TTL logic over the specified voltage range.
- Microprocessor Interface: Bus compatible with most 8-bit microprocessors such as 6502, 6809, 8085, and Z80.
Applications
- Audio Systems: Suitable for audio applications due to its precise DAC-to-DAC matching and stable output.
- Graphics: Used in graphics systems where accurate and matched DACs are required.
- Process Control: Ideal for process control applications that demand precise analog output signals.
- Industrial Automation: Can be used in various industrial automation tasks requiring reliable and accurate analog outputs.
Q & A
- What is the AD7628KRZ-REEL?
The AD7628KRZ-REEL is a dual 8-bit digital-to-analog converter (DAC) produced by Analog Devices Inc.
- What package type is the AD7628KRZ-REEL available in?
The AD7628KRZ-REEL is available in a 20-pin SOIC package.
- What is the supply voltage range for the AD7628KRZ-REEL?
The supply voltage range is from 10.8V to 15.75V.
- What is the settling time of the AD7628KRZ-REEL?
The settling time is 400 ns.
- Is the AD7628KRZ-REEL compatible with TTL logic?
Yes, it is TTL-compatible over the specified voltage range.
- What are the key applications of the AD7628KRZ-REEL?
The key applications include audio systems, graphics, process control, and industrial automation.
- What is the power dissipation of the AD7628KRZ-REEL?
The power dissipation is 20 mW.
- Is the AD7628KRZ-REEL bus compatible with most 8-bit microprocessors?
Yes, it is bus compatible with most 8-bit microprocessors such as 6502, 6809, 8085, and Z80.
- What is the integral non-linearity (INL) of the AD7628KRZ-REEL?
The INL is ±0.5 LSB (max).
- Can the AD7628KRZ-REEL operate in single supply voltage switching mode?
Yes, it can operate in single supply voltage switching mode, but with specific conditions to maintain linearity.
