Overview
The AD7524KPZ-REEL, produced by Analog Devices Inc., is a low-cost, 8-bit monolithic CMOS Digital-to-Analog Converter (DAC) designed for direct interface with most microprocessors. This device is part of the AD7524 series, which features an advanced thin-film on CMOS fabrication process, ensuring high accuracy and low power dissipation. The AD7524KPZ-REEL operates from a supply voltage range of +5 V to +15 V, making it versatile for various applications. It is particularly noted for its excellent multiplying characteristics, making it ideal for microprocessor-controlled gain setting and signal control applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 8-bit | |
| Supply Voltage Range | +5 V to +15 V | V |
| Power Dissipation (Typical) | < 10 mW | mW |
| Input High Voltage Requirement | +2.4 V to +13.5 V | V |
| Input Low Voltage Requirement | +0.8 V to +1.5 V | V |
| Input Current (Max) | ±1 µA | µA |
| Input Capacitance (Max) | 5 pF (DB0–DB7), 20 pF (WR, CS) | pF |
| Chip Select to Write Setup Time (Min) | 170 ns (AD7524J, K, L, A, B, C), 170 ns (AD7524S, T, U) | ns |
| Write Pulse Width (Min) | 170 ns (AD7524J, K, L, A, B, C), 240 ns (AD7524S, T, U) | ns |
| Data Setup Time (Min) | 135 ns (AD7524J, K, L, A, B, C), 135 ns (AD7524S, T, U) | ns |
| Data Hold Time (Min) | 10 ns | ns |
| Temperature Range | –40°C to +85°C (J, K, L versions), –55°C to +125°C (S, T, U versions) | °C |
| Package Type | 20-Lead Flatpack |
Key Features
- Low Power Dissipation: Typical power dissipation of less than 10 milliwatts.
- High Accuracy: Accuracy to 1/8 LSB.
- Wide Supply Voltage Range: Operates from +5 V to +15 V.
- TTL Compatibility: Ensures compatibility with TTL logic when using a +5 V supply.
- Fast Loading Speed: Increased loading speed for compatibility with most microprocessors.
- Excellent Multiplying Characteristics: Ideal for 2- or 4-quadrant multiplying applications.
- Direct Microprocessor Interface: Designed for direct interface to most microprocessor buses or output ports.
Applications
- Microprocessor-Controlled Gain Setting: Suitable for applications requiring precise gain control.
- Signal Control Applications: Ideal for various signal control and processing tasks.
- Industrial Automation: Used in industrial automation systems for precise analog output control.
- Aerospace and Defense: The AD7524-EP version supports defense and aerospace applications (AQEC standard).
- Medical Devices: Can be used in medical devices requiring accurate analog outputs.
Q & A
- What is the resolution of the AD7524KPZ-REEL?
The AD7524KPZ-REEL has an 8-bit resolution.
- What is the supply voltage range for the AD7524KPZ-REEL?
The device operates from a supply voltage range of +5 V to +15 V.
- What is the typical power dissipation of the AD7524KPZ-REEL?
The typical power dissipation is less than 10 milliwatts.
- Is the AD7524KPZ-REEL TTL compatible?
Yes, it is TTL compatible when using a +5 V supply.
- What are the key features of the AD7524KPZ-REEL's multiplying characteristics?
The device has excellent 2- or 4-quadrant multiplying characteristics.
- What is the temperature range for the AD7524KPZ-REEL?
The temperature range varies by version: –40°C to +85°C (J, K, L versions) and –55°C to +125°C (S, T, U versions).
- What package type is the AD7524KPZ-REEL available in?
The device is available in a 20-Lead Flatpack package.
- What are some common applications of the AD7524KPZ-REEL?
Common applications include microprocessor-controlled gain setting, signal control, industrial automation, and aerospace and defense.
- Does the AD7524KPZ-REEL require additional components for operation?
Most applications require the addition of an output operational amplifier and a voltage or current reference.
- How does the AD7524KPZ-REEL interface with microprocessors?
The device is designed for direct interface to most microprocessor buses or output ports.
