Overview
The TLV5638CDR, produced by Texas Instruments, is a dual 12-bit voltage output Digital-to-Analog Converter (DAC) designed for a wide range of applications. It features a flexible 3-wire serial interface that allows for glueless connection to TMS320, SPI, QSPI, and Microwire serial ports. The device is programmed using a 16-bit serial string containing 4 control and 12 data bits. With its on-chip programmable precision voltage reference and adjustable settling time, the TLV5638CDR simplifies system design and optimizes performance for various use cases.
Key Specifications
| Specification | Description |
|---|---|
| Resolution | 12-bit |
| Number of Channels | 2 (Dual DAC) |
| Settling Time | 1 µs (Fast Mode), 3.5 µs (Slow Mode) |
| Internal Reference | Programmable, up to 1 mA source current |
| Supply Voltage | 2.7 V to 5.5 V |
| Operating Temperature Range | 0°C to 70°C (commercial), -40°C to 125°C (military) |
| Package | 8-pin SOIC (D), JG, FK |
| Differential Nonlinearity | <0.5 LSB Typ |
| Output Buffer | x2 gain rail-to-rail output buffer with Class AB output stage |
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 serial ports
- Differential nonlinearity <0.5 LSB Typ
- Monotonic over temperature
- Single supply operation from 2.7 V to 5.5 V
- Available in 8-pin SOIC package and military-grade packages
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 TLV5638CDR? The TLV5638CDR has a resolution of 12 bits.
- How many channels does the TLV5638CDR have? The TLV5638CDR is a dual DAC, meaning it has 2 channels.
- What are the settling times for the TLV5638CDR? The settling times are 1 µs in Fast Mode and 3.5 µs in Slow Mode.
- Is the internal reference of the TLV5638CDR programmable? Yes, the internal reference is programmable and can source up to 1 mA.
- What is the supply voltage range for the TLV5638CDR? The supply voltage range is from 2.7 V to 5.5 V.
- What are the operating temperature ranges for the TLV5638CDR? The operating temperature ranges are 0°C to 70°C for commercial and -40°C to 125°C for military grades.
- In what packages is the TLV5638CDR available? It is available in 8-pin SOIC (D), JG, and FK packages.
- What is the differential nonlinearity of the TLV5638CDR? The differential nonlinearity is less than 0.5 LSB Typ.
- Is the TLV5638CDR monotonic over temperature? Yes, it is monotonic over temperature.
- What are some common applications of the TLV5638CDR? Common applications include digital servo control loops, digital offset and gain adjustment, industrial process control, machine and motion control devices, and mass storage devices.
