Overview
The AD7524SQ, produced by Analog Devices Inc., is a low-cost, 8-bit monolithic CMOS Digital-to-Analog Converter (DAC) designed for direct interface to most microprocessors. This device is part of the AD7524 family and is specifically packaged in a 16-Lead CerDIP. The AD7524SQ features input latches and operates using an advanced thin-film on CMOS fabrication process, ensuring high accuracy and low power dissipation. It is suitable for various microprocessor-controlled applications, including gain setting and signal control, due to its excellent multiplying characteristics in 2- or 4-quadrant modes.
Key Specifications
| Specification | Value | Unit |
|---|---|---|
| Resolution | 8-bit | |
| Integral Nonlinearity (INL) | 0.5 LSB | |
| Conversion Rate | 4 Msps | |
| Differential Output | Yes | |
| Input Voltage Range | 0 to VDD | V |
| Supply Voltage Range | +5 V to +15 V | V |
| Power Dissipation | < 10 mW | mW |
| Input High Voltage Requirement (VIH) | +2.4 V to +13.5 V | V |
| Input Low Voltage Requirement (VIL) | +0.8 V to +1.5 V | V |
| Input Current (IIN) | ±1 µA to ±10 µA | µA |
| Input Capacitance (DB0–DB7) | 5 pF | pF |
| Chip Select to Write Setup Time (tCS) | 170 ns to 240 ns | ns |
Key Features
- Low-cost, 8-bit monolithic CMOS DAC with input latches.
- Direct interface to most microprocessors.
- Operates from +5 V to +15 V supply voltage.
- Excellent multiplying characteristics in 2- or 4-quadrant modes.
- High accuracy to 1/8 LSB.
- Low power dissipation of less than 10 milliwatts.
- TTL compatibility when using a +5 V supply.
- Fast loading speed for compatibility with most microprocessors.
Applications
The AD7524SQ is ideal for various microprocessor-controlled applications, including:
- Gain setting and signal control.
- Industrial control systems.
- Aerospace and defense applications (specific models like AD7524-EP support AQEC standards).
- Any application requiring precise digital-to-analog conversion with low power consumption.
Q & A
- What is the resolution of the AD7524SQ?
The AD7524SQ has an 8-bit resolution.
- What is the integral nonlinearity (INL) of the AD7524SQ?
The INL is 0.5 LSB.
- What is the conversion rate of the AD7524SQ?
The conversion rate is 4 Msps.
- Does the AD7524SQ have differential output?
Yes, it does have differential output.
- What is the supply voltage range for the AD7524SQ?
The supply voltage range is from +5 V to +15 V.
- How much power does the AD7524SQ typically dissipate?
It typically dissipates less than 10 milliwatts.
- Is the AD7524SQ compatible with TTL logic?
Yes, it is compatible with TTL logic when using a +5 V supply.
- What are the typical applications of the AD7524SQ?
It is used in gain setting, signal control, industrial control systems, and aerospace and defense applications.
- What is the input voltage range for the AD7524SQ?
The input voltage range is from 0 to VDD.
- How fast is the loading speed of the AD7524SQ?
The loading speed is increased for compatibility with most microprocessors.
