Overview
The TLC7528IPWG4, produced by Texas Instruments, is a dual 8-bit multiplying digital-to-analog converter (DAC) designed for high-performance applications. This device features separate on-chip data latches for each DAC, allowing for easy interface with microprocessors and minimizing glitches during bit changes. The TLC7528IPWG4 operates in voltage mode, producing a voltage output, and is suitable for various microprocessor-controlled gain-setting and signal-control applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 8-bit | |
| Conversion Time | 0.1 μs | |
| Power Supply Range | 5V to 15V | |
| Typical Power Dissipation | < 15 mW | |
| Operating Temperature Range | -25°C to +85°C (TLC7528I) | |
| Storage Temperature Range | -65°C to +150°C | |
| High-Level Input Voltage | 2.4V to 13.5V | |
| Low-Level Input Voltage | 0.8V to 1.5V | |
| CS Setup Time | 50 ns | |
| CS Hold Time | 0 ns | |
| DAC Select Setup Time | 50 ns | |
| DAC Select Hold Time | 10 ns | |
| Data Bus Input Setup Time | 25 ns | |
| Data Bus Input Hold Time | 10 ns | |
| Pulse Duration, WR Low | 50 ns |
Key Features
- Easily interfaced to microprocessors with a common 8-bit input port and control signals similar to a random-access memory write cycle.
- On-chip data latches for each DAC, minimizing glitches during bit changes.
- Monotonic over the entire A/D conversion range.
- Interchangeable with Analog Devices AD7528 and PMI PM-7528.
- Fast control signaling for digital signal processor (DSP) applications, including interface with TMS320.
- Voltage-mode operation, producing a voltage output rather than a current output.
- CMOS technology.
- 2- or 4-quadrant multiplying capability.
Applications
- Microprocessor-controlled gain-setting and signal-control applications.
- Digital signal processing (DSP) applications, including interfaces with TMS320 processors.
- Programmable window detectors and state-variable filters.
- Various industrial and automotive applications requiring precise analog output control.
Q & A
- What is the resolution of the TLC7528IPWG4?
The TLC7528IPWG4 has an 8-bit resolution.
- What is the conversion time of the TLC7528IPWG4?
The conversion time is 0.1 μs.
- What is the operating temperature range for the TLC7528I?
The operating temperature range is -25°C to +85°C.
- How does the TLC7528IPWG4 interface with microprocessors?
The device interfaces through a common 8-bit input port and control signals similar to a random-access memory write cycle.
- What is the power supply range for the TLC7528IPWG4?
The power supply range is 5V to 15V.
- Is the TLC7528IPWG4 interchangeable with other DACs?
Yes, it is interchangeable with Analog Devices AD7528 and PMI PM-7528.
- What type of technology is used in the TLC7528IPWG4?
The device uses CMOS technology.
- What are some common applications of the TLC7528IPWG4?
Common applications include microprocessor-controlled gain-setting, signal-control, and DSP applications.
- How does the TLC7528IPWG4 minimize glitches during bit changes?
The device minimizes glitches by segmenting the high-order bits and using on-chip data latches.
- What is the typical power dissipation of the TLC7528IPWG4?
The typical power dissipation is less than 15 mW.
