Overview
The TLC7528IPW, produced by Texas Instruments, is a dual 8-bit multiplying digital-to-analog converter (DAC) designed for a variety of microprocessor-controlled applications. This device features two identical 8-bit DACs, each with on-chip data latches, making it suitable for applications requiring precise digital-to-analog conversion. The TLC7528IPW operates in voltage mode and is characterized for operation from −25°C to +85°C, making it versatile for different environmental conditions.
Key Specifications
| Specification | Value | Unit |
|---|---|---|
| Resolution | 8 bits | |
| Linearity Error | 1/2 LSB | |
| Power Dissipation at VDD = 5V | 20 mW | |
| Settling Time at VDD = 5V | 100 ns | |
| Propagation Delay Time at VDD = 5V | 80 ns | |
| Operating Free-Air Temperature Range | −25°C to +85°C | |
| Supply Voltage Range | 4.75V to 5.25V, 14.5V to 15.5V | V |
| High-Level Input Voltage | 2.4V to 13.5V | V |
| Low-Level Input Voltage | 0.8V to 1.5V | V |
Key Features
- Easily interfaced to microprocessors through a common 8-bit input port.
- On-chip data latches for each DAC, allowing for independent control of each DAC.
- Monotonic over the entire A/D conversion range.
- Interchangeable with Analog Devices AD7528 and PMI PM-7528.
- Fast control signaling suitable for Digital Signal Processor (DSP) applications, including interface with TMS320.
- Voltage-mode operation.
- CMOS technology for low power consumption.
- Segmenting of high-order bits to minimize glitches during significant bit changes.
Applications
- Microprocessor-controlled gain-setting and signal-control applications.
- Digital Signal Processing (DSP) applications.
- Programmable window detectors.
- Digitally controlled telephone attenuators.
- Programmable state-variable or universal filters for low-pass, high-pass, and bandpass outputs.
Q & A
- What is the resolution of the TLC7528IPW?
The resolution of the TLC7528IPW is 8 bits.
- What is the linearity error of the TLC7528IPW?
The linearity error is 1/2 LSB.
- What is the operating temperature range of the TLC7528IPW?
The operating temperature range is −25°C to +85°C.
- How does the TLC7528IPW interface with microprocessors?
The TLC7528IPW interfaces through a common 8-bit input port using control signals CS, WR, and DACA/DACB.
- What are some typical applications of the TLC7528IPW?
Typical applications include microprocessor-controlled gain-setting, DSP applications, programmable window detectors, and digitally controlled filters.
- What is the power dissipation of the TLC7528IPW at VDD = 5V?
The power dissipation is 20 mW at VDD = 5V.
- Is the TLC7528IPW interchangeable with other DAC models?
Yes, it is interchangeable with Analog Devices AD7528 and PMI PM-7528.
- What is the settling time of the TLC7528IPW at VDD = 5V?
The settling time is 100 ns at VDD = 5V.
- What is the propagation delay time of the TLC7528IPW at VDD = 5V?
The propagation delay time is 80 ns at VDD = 5V.
- What technology is used in the TLC7528IPW?
The TLC7528IPW uses CMOS technology.
