Overview
The TLV5638CDRG4, produced by Texas Instruments, is a dual 12-bit voltage output Digital-to-Analog Converter (DAC) designed for low power consumption and high precision. It operates on a single supply voltage ranging from 2.7 V to 5.5 V and features a flexible 3-wire serial interface compatible with TMS320, SPI™, QSPI™, and Microwire™ serial ports. This DAC is ideal for applications requiring precise analog voltage outputs and is implemented using a CMOS process, ensuring low power dissipation and high stability.
Key Specifications
| Parameter | Min | Nom | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VDD) | 2.7 | 3 / 5 | 5.5 | V |
| Resolution | 12 bits | |||
| Differential Nonlinearity (DNL) | ±0.4 | ±0.5 | ±1 | LSB |
| Integral Nonlinearity (INL) | ±1.7 | ±4 / ±6 | LSB | |
| Zero-Scale Error (EZS) | ±24 | mV | ||
| Gain Error (EG) | ±0.6 | % full scale V | ||
| Output Voltage Range | 0 | VDD - 0.4 | V | |
| Reference Voltage (Internal) | 1.024 | 2.048 | V | |
| Operating Temperature Range | 0 | 70 | °C (TLV5638C) | |
| Operating Temperature Range | -40 | 85 | °C (TLV5638I) | |
| Operating Temperature Range | -40 | 125 | °C (TLV5638Q) | |
| Operating Temperature Range | -55 | 125 | °C (TLV5638M) | |
| Package Type | SOIC, CERAMIC DIP, 20 PAD LCCC | |||
Key Features
- Flexible 3-wire serial interface compatible with TMS320, SPI™, QSPI™, and Microwire™ serial ports.
- Dual 12-bit voltage output DAC with a resistor string architecture.
- Programmable internal reference voltage (1.024 V or 2.048 V) and external reference input capability.
- Rail-to-rail output buffer with a Class AB output stage for improved stability and reduced settling time.
- Programmable settling time to optimize speed vs power dissipation.
- Power-on reset and power-down mode for low power consumption.
- Monotonic over temperature and differential nonlinearity < 0.5 LSB typical.
- Available in various packages including SOIC, CERAMIC DIP, and 20 PAD LCCC.
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 TLV5638 DAC?
The TLV5638 is a dual 12-bit DAC.
- What is the operating voltage range of the TLV5638?
The TLV5638 operates on a single supply voltage ranging from 2.7 V to 5.5 V.
- What types of serial interfaces does the TLV5638 support?
The TLV5638 supports TMS320, SPI™, QSPI™, and Microwire™ serial interfaces.
- What is the typical differential nonlinearity (DNL) of the TLV5638?
The typical differential nonlinearity (DNL) is less than 0.5 LSB.
- Can the TLV5638 be used with an external reference voltage?
- What are the available package types for the TLV5638?
The TLV5638 is available in SOIC, CERAMIC DIP, and 20 PAD LCCC packages.
- What is the maximum operating temperature range for the TLV5638C?
The maximum operating temperature range for the TLV5638C is 0°C to 70°C.
- Does the TLV5638 have a power-down mode?
- What is the maximum clock frequency for the serial interface?
The maximum clock frequency for the serial interface is 20 MHz.
- Is the TLV5638 suitable for industrial and automotive applications?
