Overview
The TLV5638QDRG4 is a high-performance, dual 12-bit digital-to-analog converter (DAC) produced by Texas Instruments. This device is designed for applications requiring high accuracy and stability, such as industrial control systems, digital signal processing, and precision instrumentation. It features a flexible 3-wire serial interface compatible with standard SPI, QSPI, Microwire, and DSP interfaces, allowing for easy integration into various microcontroller-based systems. The TLV5638QDRG4 operates on a single supply voltage from 2.7 V to 5.5 V, making it suitable for both 3.3 V and 5 V systems. It is available in an 8-pin SOIC package, which is compact and suitable for high-density PCB layouts, and is specified for operation across a wide temperature range from -40°C to +125°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 12 Bits | |
| Number of DAC Channels | 2 | |
| Supply Voltage (VDD) | 2.7 V to 5.5 V | V |
| Operating Temperature Range | -40°C to +125°C | °C |
| Settling Time | 1 µs (Fast Mode), 3.5 µs (Slow Mode) | µs |
| Output Type | Buffered Voltage | |
| Reference Type | Internal, External | |
| Power Consumption (Typical) | 4.5 mW | mW |
| Package Type | SOIC (8-pin) | |
| Clock Frequency | Up to 20 MHz | MHz |
| Differential Nonlinearity (Typical) | < 0.5 LSB | LSB |
Key Features
- Dual 12-bit voltage output DAC with a flexible 3-wire serial interface compatible with SPI, QSPI, Microwire, and DSP interfaces.
- Programmable internal reference voltage, allowing for system-level reference sourcing up to 1 mA.
- Programmable settling time: 1 µs in Fast Mode and 3.5 µs in Slow Mode, enabling optimization of speed vs power dissipation.
- Class AB output stage with a x2 gain rail-to-rail output buffer to improve stability and reduce settling time.
- Single supply operation from 2.7 V to 5.5 V, suitable for both 3.3 V and 5 V systems.
- Power-down feature reducing current consumption to 1 µA, contributing to power efficiency in battery-operated devices.
- High linearity and low noise output, ensuring high-fidelity analog signals.
- Monotonic over temperature and differential nonlinearity < 0.5 LSB typical.
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 TLV5638QDRG4 DAC?
The TLV5638QDRG4 has a resolution of 12 bits.
- What is the operating temperature range of the TLV5638QDRG4?
The operating temperature range is from -40°C to +125°C.
- What are the settling times for the TLV5638QDRG4?
The settling times are 1 µs in Fast Mode and 3.5 µs in Slow Mode.
- What is the supply voltage range for the TLV5638QDRG4?
The supply voltage range is from 2.7 V to 5.5 V.
- What types of serial interfaces does the TLV5638QDRG4 support?
The TLV5638QDRG4 supports SPI, QSPI, Microwire, and DSP interfaces.
- What is the power consumption of the TLV5638QDRG4 in typical conditions?
The typical power consumption is 4.5 mW).
- Does the TLV5638QDRG4 have a power-down feature?
Yes, it has a power-down feature that reduces current consumption to 1 µA).
- What is the package type of the TLV5638QDRG4?
The package type is an 8-pin SOIC).
- What are some common applications of the TLV5638QDRG4?
Common applications include digital servo control loops, industrial process control, machine and motion control devices, and mass storage devices).
- Is the TLV5638QDRG4 RoHS compliant?
Yes, the TLV5638QDRG4 is RoHS compliant).
