Overview
The TLV5628CDWR is an octal 8-bit voltage output digital-to-analog converter (DAC) produced by Texas Instruments. This device is part of the TLV5628 series, which includes the TLV5628C and TLV5628I models, characterized for different operating temperature ranges. The TLV5628CDWR operates from a single supply of 3 to 3.6 V and features a simple 3-wire serial interface compatible with CMOS logic, making it easily interfaced with microprocessors and microcontrollers. The device is known for its low power consumption, high-impedance reference inputs, and simultaneous update facility, making it suitable for a variety of applications in digital control of analog functions.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Number of DACs | Octal (8) | 8 |
| Resolution | 8-bit | 8-bit |
| Supply Voltage | Single supply | 3 V to 3.6 V |
| Operating Temperature Range | TLV5628C | 0°C to 70°C |
| Operating Temperature Range | TLV5628I | –40°C to 85°C |
| Package | SOIC (DW) | 16 pins |
| Interface | Serial (3-wire) | CMOS compatible |
| Output Range | Programmable | 1x or 2x reference voltage |
| Power-On Reset | Internal | Yes |
| Supply Current | Typical | 4 mA at VDD = 3.3 V |
Key Features
- Eight 8-bit voltage output DACs with buffered reference inputs (high impedance)
- 3-V single supply operation
- Serial interface (3-wire) compatible with CMOS logic
- Programmable for 1 or 2 times output range
- Simultaneous update facility through LDAC terminal
- Internal power-on reset for repeatable start-up conditions
- Low power consumption
- Half-buffered output
- Digital inputs with Schmitt triggers for high noise immunity
- No external trimming required
Applications
- Programmable voltage sources
- Digitally controlled amplifiers/attenuators
- Mobile communications
- Automatic test equipment
- Process monitoring and control
- Signal synthesis
Q & A
- What is the resolution of the TLV5628CDWR DAC?
The TLV5628CDWR has an 8-bit resolution.
- What is the operating supply voltage range for the TLV5628CDWR?
The device operates from a single supply of 3 V to 3.6 V.
- What type of interface does the TLV5628CDWR use?
The TLV5628CDWR uses a 3-wire serial interface compatible with CMOS logic.
- Can the output range of the TLV5628CDWR be programmed?
Yes, the output range can be programmed for 1 or 2 times the reference voltage.
- Does the TLV5628CDWR have an internal power-on reset?
Yes, the device has an internal power-on reset function.
- What is the typical supply current of the TLV5628CDWR?
The typical supply current is 4 mA at VDD = 3.3 V.
- What is the operating temperature range for the TLV5628C and TLV5628I models?
The TLV5628C operates from 0°C to 70°C, and the TLV5628I operates from –40°C to 85°C.
- Does the TLV5628CDWR require external trimming?
No, the TLV5628CDWR does not require external trimming.
- What type of package does the TLV5628CDWR come in?
The TLV5628CDWR comes in a 16-pin SOIC (DW) package.
- What are some common applications of the TLV5628CDWR?
Common applications include programmable voltage sources, digitally controlled amplifiers/attenuators, mobile communications, automatic test equipment, process monitoring and control, and signal synthesis.
