Overview
The TLV5618ACDG4, produced by Texas Instruments, is a dual 12-bit voltage output digital-to-analog converter (DAC) designed for high precision and flexibility. This device features a flexible 3-wire serial interface compatible with TMS320, SPI, QSPI, and Microwire serial ports. It is programmed using a 16-bit serial string that includes 4 control bits and 12 data bits. The TLV5618ACDG4 is implemented using a CMOS process and is available in an 8-pin SOIC package, making it suitable for a variety of applications requiring precise analog output control.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | Dual 12-bit |
| Serial Interface | 3-wire, compatible with TMS320, SPI, QSPI, and Microwire |
| Supply Voltage | 2.7 V to 5.5 V |
| Settling Time | 3 µs (fast mode), 10 µs (slow mode) |
| Output Buffer | x2 gain rail-to-rail output buffer with Class-AB output stage |
| Power Consumption | Low power, with power-down mode (10 nA) |
| Operating Temperature | 0°C to 70°C (TLV5618AC), -40°C to 85°C (TLV5618AI) |
| Package | 8-pin SOIC |
Key Features
- Programmable settling time to optimize speed versus power dissipation (3 µs in fast mode, 10 µs in slow mode)
- High-impedance reference inputs to reduce the need for low source impedance drive
- Monotonic over temperature to ensure consistent performance
- Dual supply operation is not required; can operate from a single supply between 2.7 V and 5.5 V
- Internal power-on reset to ensure repeatable start-up conditions
- Software and hardware power-down modes (10 nA)
- Simultaneous update capability for all DACs
Applications
- Digital servo control loops
- Digital offset and gain adjustment
- Industrial process control
- Machine and motion control devices
- Mass storage devices
- Automotive applications (Q-Temp and HighRel options available)
Q & A
- What is the resolution of the TLV5618ACDG4 DAC?
The TLV5618ACDG4 is a dual 12-bit voltage output DAC.
- What types of serial interfaces is the TLV5618ACDG4 compatible with?
The device is compatible with TMS320, SPI, QSPI, and Microwire serial ports.
- What is the supply voltage range for the TLV5618ACDG4?
The device operates from a single supply between 2.7 V and 5.5 V.
- What are the programmable settling times for the TLV5618ACDG4?
The settling times are 3 µs in fast mode and 10 µs in slow mode.
- Does the TLV5618ACDG4 have power-down modes?
Yes, it has both software and hardware power-down modes, each consuming 10 nA.
- What is the operating temperature range for the TLV5618ACDG4?
The TLV5618AC operates from 0°C to 70°C, and the TLV5618AI operates from -40°C to 85°C.
- What package type is the TLV5618ACDG4 available in?
The device is available in an 8-pin SOIC package.
- Is the TLV5618ACDG4 suitable for automotive applications?
Yes, it is available in Q-Temp and HighRel options for automotive applications.
- Does the TLV5618ACDG4 have internal power-on reset?
Yes, it features an internal power-on reset to ensure repeatable start-up conditions.
- Can the TLV5618ACDG4 update all DACs simultaneously?
Yes, it has a simultaneous update capability for all DACs.
