Overview
The TLV5614CDRG4, produced by Texas Instruments, is a quadruple 12-bit voltage output digital-to-analog converter (DAC) designed with a flexible 4-wire serial interface. This device is compatible with TMS320, SPI, QSPI, and Microwire serial ports, making it versatile for various applications. The TLV5614 features programmable settling times, low power consumption, and dual supply capabilities, making it ideal for battery-powered and industrial control systems.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Settling Time | 3 µs or 9 µs (typ) |
| Supply Voltage | Dual 2.7-V to 5.5-V (separate digital and analog supplies) |
| Power Consumption | 8 mW (slow mode, 5-V supply), 3.6 mW (slow mode, 3-V supply) |
| Reference Input Buffer | High-impedance buffer on REFINAB and REFINCD terminals |
| Output Range | 2× the Reference Input Voltage |
| Power Down | Hardware and Software Power Down (10 nA) |
| Operating Temperature | 0°C to 70°C (TLV5614C), –40°C to 85°C (TLV5614I) |
| Package | 16-terminal SOIC |
Key Features
- Four 12-bit D/A converters with programmable settling times.
- TMS320, SPI, QSPI, and Microwire compatible serial interface.
- Internal power-on reset.
- Low power consumption with hardware and software power-down modes.
- Dual supply capability with separate digital and analog supplies.
- Reference input buffer with high-impedance on REFINAB and REFINCD terminals.
- Voltage output range of 2× the reference input voltage.
- Monotonic over temperature.
- Simultaneous update capability.
- Rail-to-rail output stage with Class AB output buffer.
Applications
- Battery powered test instruments.
- Digital offset and gain adjustment.
- Industrial process controls.
- Machine and motion control devices.
- Communications.
- Arbitrary waveform generation.
Q & A
- What is the resolution of the TLV5614CDRG4?
The TLV5614CDRG4 has a resolution of 12 bits. - What are the programmable settling times for the TLV5614CDRG4?
The settling times are programmable to either 3 µs or 9 µs (typ). - What is the supply voltage range for the TLV5614CDRG4?
The device operates with dual supplies between 2.7 V and 5.5 V. - How much power does the TLV5614CDRG4 consume in slow mode?
In slow mode, it consumes 8 mW with a 5-V supply and 3.6 mW with a 3-V supply. - What is the purpose of the high-impedance buffer on the REFINAB and REFINCD terminals?
The high-impedance buffer reduces the need for a low source impedance drive to the terminal. - Can the digital and analog supplies be tied together?
Yes, the digital and analog supplies can be tied together if necessary. - What are the operating temperature ranges for the TLV5614CDRG4?
The TLV5614C operates from 0°C to 70°C, and the TLV5614I operates from –40°C to 85°C. - What package type is the TLV5614CDRG4 available in?
The device is available in a 16-terminal SOIC package. - What are some common applications of the TLV5614CDRG4?
Common applications include battery-powered test instruments, digital offset and gain adjustment, industrial process controls, machine and motion control devices, communications, and arbitrary waveform generation. - Does the TLV5614CDRG4 support simultaneous updates?
Yes, the device supports simultaneous updates.
