Overview
The DAC5574IDGSR, produced by Texas Instruments, is a low-power, quad-channel, 8-bit buffered voltage output Digital-to-Analog Converter (DAC). It features an on-chip precision output amplifier that allows for rail-to-rail output swing. The device utilizes an I²C compatible two-wire serial interface, supporting high-speed interface mode with address support for up to four DAC5574s, enabling a total of 16 channels on the bus. This DAC is particularly suited for applications requiring low power consumption and high precision, making it ideal for portable battery-operated equipment and various industrial applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 8-bit |
| Number of Channels | Quad |
| Analog Power Supply | 2.7 V to 5.5 V |
| Interface | I²C up to 3.4 Mbps |
| Update Rate | 188 kSPS |
| Power Consumption (Normal Operation) | < 3 mW at VDD = 5 V |
| Power Consumption (Power-Down Mode) | 1 µW |
| Operating Temperature Range | -40°C to 105°C |
| Package Type | 10 Lead MSOP (VSSOP) |
| INL/DNL | ±0.15 LSB / ±0.02 LSB |
Key Features
- Micro-power operation: 500 µA at 3 V VDD
- Fast update rate: 188 kSPS
- Per-channel power-down capability
- Power-on reset to zero
- On-chip output buffer amplifier with rail-to-rail operation
- Double-buffered input register
- Address support for up to four DAC5574s
- Synchronous update support for up to 16 channels
- Data transmit capability
Applications
- Process Control
- Data Acquisition Systems
- Closed-Loop Servo Control
- PC Peripherals
- Portable Instrumentation
Q & A
- What is the resolution of the DAC5574IDGSR?
The DAC5574IDGSR has an 8-bit resolution. - How many channels does the DAC5574IDGSR have?
The DAC5574IDGSR is a quad-channel DAC. - What is the analog power supply range for the DAC5574IDGSR?
The analog power supply range is from 2.7 V to 5.5 V. - What type of interface does the DAC5574IDGSR use?
The DAC5574IDGSR uses an I²C interface up to 3.4 Mbps. - What is the update rate of the DAC5574IDGSR?
The update rate is 188 kSPS. - What is the power consumption in normal operation and power-down mode?
In normal operation, the power consumption is less than 3 mW at VDD = 5 V, and in power-down mode, it reduces to 1 µW. - What is the operating temperature range of the DAC5574IDGSR?
The operating temperature range is from -40°C to 105°C. - What package type is the DAC5574IDGSR available in?
The DAC5574IDGSR is available in a 10 Lead MSOP (VSSOP) package. - Does the DAC5574IDGSR support synchronous updates?
Yes, it supports synchronous updates for up to 16 channels. - What are some typical applications for the DAC5574IDGSR?
Typical applications include process control, data acquisition systems, closed-loop servo control, PC peripherals, and portable instrumentation.
