Overview
The TLC7528IFNG3, produced by Texas Instruments, is a dual 8-bit digital-to-analog converter (DAC) designed for high-performance applications. This device features separate on-chip data latches for each DAC, ensuring exceptionally close DAC-to-DAC matching. It is easily interfaced to microprocessors and digital signal processors (DSPs), including the TMS320 series. The TLC7528IFNG3 operates in voltage mode, producing a voltage output rather than a current output, and is suitable for a wide range of microprocessor-controlled gain-setting and signal-control applications.
Key Specifications
| Parameter | 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 Voltage Range | 5V to 15V | |
| Operating Temperature Range | TLC7528C: 0°C to 70°C TLC7528I: -25°C to 85°C TLC7528E: -40°C to 85°C | °C |
| Storage Temperature Range | -65°C to 150°C | °C |
Key Features
- Easily interfaced to microprocessors and DSPs, including the TMS320 series.
- On-chip data latches for each DAC.
- Monotonic over the entire A/D conversion range.
- Interchangeable with Analog Devices AD7528 and PMI PM-7528.
- Fast control signaling for DSP applications.
- Voltage-mode operation.
- CMOS technology.
- Segmenting of high-order bits to minimize glitches.
- 2- or 4-quadrant multiplying capability.
Applications
- Microprocessor-controlled gain-setting and signal-control applications.
- Digital signal processing (DSP) applications.
- Digitally-controlled signal attenuators, such as in stereo audio and telephone signal level control.
- Programmable window detectors and comparators.
- Other applications requiring precise digital-to-analog conversion and easy microprocessor interface.
Q & A
- What is the resolution of the TLC7528IFNG3?
The TLC7528IFNG3 has a resolution of 8 bits.
- What is the operating voltage range of the TLC7528IFNG3?
The device operates from a 5V to 15V power supply.
- What are the key features of the TLC7528IFNG3?
The key features include on-chip data latches, monotonic operation, easy interface to microprocessors, fast control signaling for DSPs, and voltage-mode operation.
- Can the TLC7528IFNG3 be used in high-temperature environments?
Yes, the TLC7528I and TLC7528E versions are characterized for operation from -25°C to 85°C and -40°C to 85°C, respectively.
- How does the TLC7528IFNG3 minimize glitches during digital input changes?
The device segments the high-order bits to minimize glitches during changes in the most significant bits.
- Is the TLC7528IFNG3 compatible with other DAC models?
Yes, it is interchangeable with Analog Devices AD7528 and PMI PM-7528.
- What is the typical power dissipation of the TLC7528IFNG3 at VDD = 5V?
The typical power dissipation is less than 20 mW.
- Can the TLC7528IFNG3 be used in audio applications?
Yes, it can be used in applications such as stereo audio and telephone signal level control.
- How does the TLC7528IFNG3 interface with microprocessors?
The device interfaces through a common 8-bit input port and control signals similar to the write cycle of a random-access memory.
- What is the settling time of the TLC7528IFNG3 at VDD = 5V?
The settling time is 100 ns.
