Overview
The AD7628KPZ is a monolithic dual 8-bit digital-to-analog converter (DAC) produced by Analog Devices Inc. This device is renowned for its excellent DAC-to-DAC matching and is available in various packages, including 20-pin DIP, 20-terminal surface mount, and 20-PLCC (J-Lead) configurations. The AD7628KPZ is designed to provide high precision and reliability, making it suitable for a wide range of applications that require accurate analog signal generation.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 8 |
| Number of D/A Converters | 2 |
| Package / Case | 20-PLCC (J-Lead) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C to 85°C |
| Supply Voltage (Analog/Digital) | 10.8V to 15.75V |
| Reference Type | External |
| Data Interface | Parallel |
| Settling Time | 400ns |
| Integral Nonlinearity (INL) | ±0.5 LSB (Max) |
| Differential Nonlinearity (DNL) | ±1 LSB (Max) |
| Architecture | R-2R |
| Output Type | Current - Unbuffered |
Key Features
- Excellent DAC-to-DAC matching, ensuring high precision in dual channel applications.
- Separate on-chip latches for each DAC, facilitating easy microprocessor interface.
- Common 8-bit TTL/CMOS compatible input port for data transfer.
- Bus compatibility with most 8-bit microprocessors (e.g., 6502, 6809, 8085, Z80).
- Low power dissipation of 20 mW.
- Four quadrant multiplication characteristics with separate reference input and feedback resistor for each DAC.
- TTL-compatible operation over the specified power supply range.
Applications
The AD7628KPZ is versatile and can be used in various applications requiring precise digital-to-analog conversion. Some common uses include:
- Industrial control systems where accurate analog signals are necessary.
- Aerospace and defense applications requiring high reliability and precision.
- Medical devices that demand accurate signal generation.
- Automotive systems for control and monitoring.
- Test and measurement equipment.
Q & A
- What is the number of bits in the AD7628KPZ DAC?
The AD7628KPZ is an 8-bit digital-to-analog converter.
- How many D/A converters are included in the AD7628KPZ?
The AD7628KPZ features two D/A converters.
- What is the operating temperature range of the AD7628KPZ?
The operating temperature range is -40°C to 85°C.
- What type of data interface does the AD7628KPZ use?
The AD7628KPZ uses a parallel data interface.
- What is the settling time of the AD7628KPZ?
The settling time is 400ns.
- What is the integral nonlinearity (INL) of the AD7628KPZ?
The INL is ±0.5 LSB (Max).
- Is the AD7628KPZ RoHS compliant?
Yes, the AD7628KPZ is RoHS compliant.
- What is the power dissipation of the AD7628KPZ?
The power dissipation is approximately 20 mW.
- What type of architecture does the AD7628KPZ use?
The AD7628KPZ uses an R-2R architecture.
- Is the AD7628KPZ compatible with most 8-bit microprocessors?
Yes, it is bus compatible with most 8-bit microprocessors, including 6502, 6809, 8085, and Z80.
