Overview
The TLV5638QDR is a dual 12-bit voltage output Digital-to-Analog Converter (DAC) manufactured by Texas Instruments. It features a flexible 3-wire serial interface, allowing for glueless connection to TMS320, SPI, QSPI, and Microwire serial ports. The device is designed for single supply operation from 2.7 V to 5.5 V and is available in an 8-pin SOIC package, making it suitable for various applications requiring compact design and reliable performance.
Key Specifications
| Specification | Value |
|---|---|
| Converter Resolution | 12-bit |
| Number of Channels | 2 |
| Sampling Speed | 233 ksps |
| Package Type | SOIC8 |
| Mounting Type | SMD |
| Interface | SPI |
| Operating Temperature Range | -40°C to 125°C |
| Supply Voltage | 2.7 V to 5.5 V |
| Max DNL (Differential Nonlinearity) | ±1 LSB |
| Max INL (Integral Nonlinearity) | ±6 LSB |
Key Features
- Dual 12-Bit Voltage Output DAC
- Programmable Internal Reference
- Programmable Settling Time: 1 µs in Fast Mode, 3.5 µs in Slow Mode
- Compatible with TMS320 and SPI, QSPI, and Microwire serial ports
- Differential Nonlinearity < 0.5 LSB Typ
- Monotonic Over Temperature
- On-chip precision voltage reference that can source up to 1 mA
- Class AB output stage for improved stability and reduced settling time
Applications
- Digital Servo Control Loops
- Digital Offset and Gain Adjustment
- Industrial Process Control
- Machine and Motion Control Devices
- Mass Storage Devices
Q & A
- What is the resolution of the TLV5638QDR DAC?
The TLV5638QDR has a 12-bit resolution. - How many channels does the TLV5638QDR have?
The TLV5638QDR has 2 channels. - What is the sampling speed of the TLV5638QDR?
The sampling speed is 233 ksps. - What is the operating temperature range of the TLV5638QDR?
The operating temperature range is -40°C to 125°C. - What type of interface does the TLV5638QDR support?
The TLV5638QDR supports a 3-wire SPI interface. - What is the supply voltage range for the TLV5638QDR?
The supply voltage range is from 2.7 V to 5.5 V. - What is the maximum differential nonlinearity (DNL) of the TLV5638QDR?
The maximum DNL is ±1 LSB. - Can the TLV5638QDR be used as a system reference?
Yes, the on-chip precision voltage reference can source up to 1 mA and can be used as a system reference. - What are the programmable settling times for the TLV5638QDR?
The programmable settling times are 1 µs in Fast Mode and 3.5 µs in Slow Mode. - In what package is the TLV5638QDR available?
The TLV5638QDR is available in an 8-pin SOIC package.
