Overview
The TLC7524IDG4, 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 TLC7524IDG4 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 behavior 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 (typically less than 5 mW).
- Operation from a single 5V to 15V supply.
- 2- or 4-quadrant multiplying capability, making it ideal for microprocessor-controlled gain-setting and signal-control applications.
Applications
The TLC7524IDG4 is suitable for various applications requiring precise digital-to-analog conversion, including:
- Digital signal processing (DSP) applications, particularly those involving fast control signaling.
- Microprocessor-controlled gain-setting and signal-control applications.
- Ultrasound applications, such as time gain control compensation.
- Industrial control systems where precise analog output is necessary.
- Aerospace and automotive systems requiring reliable and accurate DACs.
Q & A
- What is the resolution of the TLC7524IDG4?
The TLC7524IDG4 has an 8-bit resolution.
- What is the typical power dissipation of the TLC7524IDG4 at VDD = 5V?
The typical power dissipation is less than 5 mW.
- What is the operating temperature range for the TLC7524IDG4?
The operating temperature range is from -25°C to +85°C.
- Can the TLC7524IDG4 be used in 4-quadrant multiplication applications?
- Is the TLC7524IDG4 compatible with other DAC models?
- What is the supply voltage range for the TLC7524IDG4?
The supply voltage range is from 4.75V to 15.5V.
- How does the TLC7524IDG4 minimize glitches during output changes?
The device segments the high-order bits to minimize glitches during changes in the most significant bits.
- What is the typical setting time for the TLC7524IDG4?
The typical setting time is 100 ns.
- Can the TLC7524IDG4 be used in high-speed DSP applications?
- What is the reference voltage range for the TLC7524IDG4?
The reference voltage range is ±10V.
