Overview
The AD7528JP, produced by Analog Devices Inc., is a monolithic dual 8-bit digital-to-analog converter (DAC) known for its excellent DAC-to-DAC matching. This device is available in various packages, including 20-lead DIP and 20-lead surface mount packages such as the 20-PLCC (J-Lead) package for the AD7528JP model.
The AD7528 features separate on-chip latches for each DAC, facilitating easy interface with microprocessors. It operates from a +5V to +15V power supply, consuming only 20mW of power, making it energy-efficient. The device is compatible with most 8-bit microprocessors, including the 6800, 8080, 8085, and Z80.
Key Specifications
| Specification | Value |
|---|---|
| Number of Bits | 8-bit |
| Number of D/A Converters | 2 |
| Settling Time | 400ns |
| Output Type | Current - Unbuffered |
| Differential Output | No |
| Data Interface | Parallel |
| Reference Type | External |
| Voltage - Supply, Analog/Digital | +5V to +15V |
| INL/DNL (LSB) | ±1 (Max) |
| Architecture | R-2R |
| Operating Temperature | -40°C to 85°C |
| Package / Case | 20-PLCC (J-Lead) |
Key Features
- Excellent DAC-to-DAC matching to 1%.
- On-chip latches for both DACs, enabling easy microprocessor interface.
- TTL/CMOS compatible input port.
- Four quadrant multiplication characteristics with separate reference input and feedback resistor for each DAC.
- Low power consumption of 20mW.
- Operates from a +5V to +15V power supply.
- Bus compatible with most 8-bit microprocessors.
- R-2R ladder structure for stable and accurate conversions.
Applications
- Digital control of gain/attenuation and filter parameters.
- Stereo audio circuits.
- X-Y graphics.
- General digital-to-analog conversion in various industrial and consumer electronics.
Q & A
- What is the AD7528JP?
The AD7528JP is a monolithic dual 8-bit digital-to-analog converter produced by Analog Devices Inc.
- What are the key features of the AD7528JP?
Key features include excellent DAC-to-DAC matching, on-chip latches, TTL/CMOS compatible inputs, four quadrant multiplication, and low power consumption.
- What are the operating voltage ranges for the AD7528JP?
The device operates from a +5V to +15V power supply.
- What is the settling time of the AD7528JP?
The settling time is 400ns.
- Is the AD7528JP compatible with microprocessors?
Yes, it is bus compatible with most 8-bit microprocessors, including the 6800, 8080, 8085, and Z80.
- What is the architecture of the DACs in the AD7528JP?
The DACs use an R-2R ladder structure.
- What are the typical applications of the AD7528JP?
Applications include digital control of gain/attenuation, filter parameters, stereo audio circuits, and X-Y graphics.
- What is the power consumption of the AD7528JP?
The device consumes only 20mW of power.
- What is the operating temperature range of the AD7528JP?
The operating temperature range is -40°C to 85°C.
- What package types are available for the AD7528JP?
The device is available in 20-lead DIP and 20-lead surface mount packages such as the 20-PLCC (J-Lead).
