Overview
The TLC7524IDR, produced by Texas Instruments, is a CMOS, 8-bit, digital-to-analog converter (DAC) designed for easy interface with most popular microprocessors. This device is part of the TLC7524 series, which includes the TLC7524C, TLC7524E, and TLC7524I, each characterized for different operating temperature ranges. The TLC7524IDR is specifically designed for operation from -25°C to +85°C, making it suitable for a wide range of applications requiring precise digital-to-analog conversion.
The device features on-chip data latches, segmented high-order bits to minimize glitches, and monotonic operation over the entire A/D conversion range. It is also interchangeable with other similar DACs from Analog Devices, PMI, and Micro Power Systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 8 Bits | |
| Linearity Error | 1/2 LSB Max | |
| Power Dissipation at VDD = 5V | 5 mW Max | |
| Setting Time | 100 ns Max | |
| Propagation Delay Time | 80 ns Max | |
| Supply Voltage (VDD) | 4.75 to 15.5 V | V |
| Reference Voltage (Vref) | ±10 V | V |
| Operating Free-Air Temperature Range | -25°C to +85°C | °C |
| Storage Temperature Range | -65°C to +150°C | °C |
Key Features
- Easily interfaced to microprocessors with on-chip data latches and load cycles similar to the write cycles of a random access memory.
- Monotonic over the entire A/D conversion range.
- Segmented high-order bits ensure low-glitch output.
- Interchangeable with Analog Devices AD7524, PMI PM-7524, and Micro Power Systems MP7524.
- Fast control signaling for digital signal-processor applications, including interface with TMS320.
- CMOS technology with low power dissipation (less than 5 mW typically).
- Operation from a 5V to 15V single supply, making it versatile for various microprocessor-controlled applications.
- 2- or 4-quadrant multiplying capability, ideal for gain-setting and signal-control applications.
Applications
The TLC7524IDR is suitable for a variety of applications, including:
- Digital signal processing (DSP) and microprocessor-controlled systems.
- Gain-setting and signal-control applications.
- Ultrasound applications, particularly for time gain control (compensation).
- Industrial control systems requiring precise analog output from digital signals.
- Automotive and aerospace applications where the device's temperature range and reliability are critical.
Q & A
- What is the resolution of the TLC7524IDR?
The TLC7524IDR has an 8-bit resolution.
- What is the typical power dissipation of the TLC7524IDR at VDD = 5V?
The typical power dissipation is less than 5 mW.
- What is the operating temperature range of the TLC7524IDR?
The operating temperature range is from -25°C to +85°C.
- Can the TLC7524IDR be used in 4-quadrant multiplication applications?
- Is the TLC7524IDR interchangeable with other DACs?
- What is the maximum setting time for the TLC7524IDR?
The maximum setting time is 100 ns.
- What is the reference voltage range for the TLC7524IDR?
The reference voltage range is ±10 V.
- How does the TLC7524IDR minimize glitches during digital input changes?
The device minimizes glitches by segmenting the high-order bits.
- What type of technology is used in the TLC7524IDR?
The TLC7524IDR uses CMOS technology.
- What are the typical applications of the TLC7524IDR?
The device is typically used in DSP applications, gain-setting, signal-control, and industrial control systems.
