Overview
The TLC7225CDWR, produced by Texas Instruments, is a highly integrated digital-to-analog converter (DAC) that features four 8-bit voltage-output DACs. This device is designed to provide a compact and reliable solution for various applications requiring multiple DACs. The TLC7225CDWR includes output buffer amplifiers and interface logic with double register-buffering, making it suitable for use in microprocessor-based systems. It is fabricated using the LinBiCMOS™ process, which allows for the integration of high-speed digital logic and precision analog circuits on the same chip.
Key Specifications
| Parameter | Value |
|---|---|
| Number of DACs | 4 |
| Resolution | 8-bit |
| Conversion Time | 5 μs |
| Input Type | Parallel |
| Input Compatibility | TTL/CMOS |
| Output Current Capability | Up to 5 mA |
| Reference Voltage Range | 2 V to VDD - 4 V (dual supplies), 10 V (single supply) |
| Operating Temperature Range | 0°C to 70°C (TLC7225C), -25°C to 85°C (TLC7225I) |
| Package Type | SOIC (DW) 24 pins |
Key Features
- Four 8-bit D/A converters with individual references
- Direct bipolar operation without an external level-shift amplifier
- Microprocessor compatible
- TTL/CMOS compatible inputs
- Single supply operation possible
- Simultaneous update facility
- Binary input coding
- Output buffer amplifiers capable of driving up to 5 mA of output current
- Double register-buffering for simultaneous update of all four outputs
Applications
- Process Control
- Automatic Test Equipment
- Automatic Calibration of Large System Parameters (e.g., Gain/Offset)
Q & A
- What is the resolution of the TLC7225CDWR DACs?
The TLC7225CDWR has four 8-bit DACs. - What is the conversion time of the TLC7225CDWR?
The conversion time is 5 μs. - Is the TLC7225CDWR compatible with microprocessors?
Yes, it is microprocessor compatible. - What is the operating temperature range of the TLC7225C and TLC7225I?
The TLC7225C operates from 0°C to 70°C, and the TLC7225I operates from -25°C to 85°C. - Can the TLC7225CDWR operate with a single power supply?
Yes, it can operate with a single power supply at a reference of 10 V. - What is the maximum output current capability of each DAC?
Each DAC can drive up to 5 mA of output current. - What type of input compatibility does the TLC7225CDWR have?
The inputs are TTL/CMOS compatible. - What is the package type of the TLC7225CDWR?
The package type is SOIC (DW) with 24 pins. - What are some common applications of the TLC7225CDWR?
Common applications include process control, automatic test equipment, and automatic calibration of large system parameters. - Does the TLC7225CDWR support simultaneous update of all four DACs?
Yes, it supports simultaneous update of all four DACs under control of the LDAC signal.
