Overview
The TLC7528IFN is a dual 8-bit multiplying digital-to-analog converter (DAC) produced by Texas Instruments. This device is designed with separate on-chip data latches and features a parallel data interface, making it suitable for various microprocessor-controlled applications. The TLC7528IFN operates over a wide temperature range and supports both 5V and 15V power supplies, enhancing its versatility in different system designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Bits | 8 | |
| Number of DACs | 2 | |
| Operating Temperature | -25°C to +85°C | °C |
| Output Type | Current - Unbuffered | |
| Package | 20-LCC (J-Lead), 20-PLCC (9x9) | |
| Supply Voltage | 5V to 15V | V |
| Integral Nonlinearity (INL) | ±0.5 (Max) | |
| Settling Time | 100ns | ns |
| Reference Voltage | ±10 V | V |
| High-Level Input Voltage | 2.4 to 13.5 V | V |
| Low-Level Input Voltage | 0.8 to 1.5 V | V |
Key Features
- Dual 8-bit multiplying digital-to-analog converters with separate on-chip data latches.
- Parallel data interface for easy integration with microprocessor buses and output ports.
- Operates from a 5V to 15V power supply, with low power dissipation (less than 15mW typical).
- Supports 2- or 4-quadrant multiplying, making it suitable for gain-setting and signal-control applications.
- Segmenting of high-order bits to minimize glitches during changes in the most significant bits.
- Can be operated in voltage mode, producing a voltage output rather than a current output.
Applications
- Microprocessor-controlled gain-setting and signal-control applications.
- Industrial control systems requiring precise analog output control.
- Automotive systems where temperature stability and low power consumption are critical.
- Consumer electronics such as audio and video equipment.
- Medical devices requiring accurate and stable analog outputs.
Q & A
- What is the operating temperature range of the TLC7528IFN?
The TLC7528IFN operates from -25°C to +85°C.
- What is the supply voltage range for the TLC7528IFN?
The device operates from a 5V to 15V power supply.
- How many DACs are included in the TLC7528IFN?
The TLC7528IFN includes two 8-bit digital-to-analog converters.
- What is the settling time of the TLC7528IFN?
The settling time is 100ns.
- What type of output does the TLC7528IFN produce?
The output is a current output, which can be operated in voltage mode as well.
- What is the package type of the TLC7528IFN?
The device is available in 20-LCC (J-Lead) and 20-PLCC (9x9) packages.
- What is the typical power dissipation of the TLC7528IFN?
The typical power dissipation is less than 15mW.
- How does the TLC7528IFN minimize glitches during bit changes?
The device minimizes glitches by segmenting the high-order bits.
- What are some common applications of the TLC7528IFN?
Common applications include microprocessor-controlled gain-setting, industrial control systems, automotive systems, consumer electronics, and medical devices.
- What is the reference voltage range for the TLC7528IFN?
The reference voltage range is ±10 V.
