Overview
The DAC7562SDSCR is a 12-bit, dual-channel, low-power, voltage-output digital-to-analog converter (DAC) produced by Texas Instruments. This device is part of the DAC756x family, which includes 12-bit, 14-bit, and 16-bit versions. The DAC7562 is designed for applications requiring high accuracy and low power consumption, making it ideal for portable, battery-operated equipment.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 12 Bits | |
| Relative Accuracy | ±0.3 to ±0.75 LSB | |
| Differential Nonlinearity | ±0.05 to ±0.25 LSB | |
| Offset Error | ±1 to ±4 mV | |
| Full-Scale Error | ±0.03 to ±0.2 % FSR | |
| Output Voltage Range | 0 to AVDD V | |
| Power Supply Voltage | 2.7 to 5.5 V | |
| Operating Temperature Range | –40 to 125 °C | |
| Package Type | 10-WSON (3x3 mm) | |
| Power Consumption (Normal Mode) | 0.2 to 0.4 mA (internal reference off) | |
| Power Consumption (Power-Down Mode) | 0.35 to 2 µA |
Key Features
- Low power consumption with a typical power-down current of 550 nA at 5 V.
- Internal 2.5-V reference with ±5 mV initial accuracy and 4 ppm/°C temperature drift.
- 50 MHz SPI interface with Schmitt-triggered inputs.
- LDAC and CLR functions for synchronous and asynchronous updates.
- Output buffer with rail-to-rail operation.
- Bidirectional reference pin for input or output.
- Small footprint in 10-WSON (3x3 mm) and VSSOP-10 packages.
Applications
- Portable instrumentation.
- PLC analog output modules.
- Closed-loop servo control.
- Voltage-controlled oscillator tuning.
- Data acquisition systems.
- Programmable gain and offset adjustment.
Q & A
- What is the resolution of the DAC7562SDSCR?
The DAC7562SDSCR has a resolution of 12 bits. - What is the typical power consumption of the DAC7562SDSCR in normal mode?
The typical power consumption is 0.2 to 0.4 mA when the internal reference is off. - What is the operating temperature range of the DAC7562SDSCR?
The operating temperature range is –40 to 125 °C. - What type of interface does the DAC7562SDSCR use?
The DAC7562SDSCR uses a 50 MHz SPI interface with Schmitt-triggered inputs. - Does the DAC7562SDSCR have an internal reference?
Yes, it has an internal 2.5-V reference with ±5 mV initial accuracy and 4 ppm/°C temperature drift. - What are the package options for the DAC7562SDSCR?
The DAC7562SDSCR is available in 10-WSON (3x3 mm) and VSSOP-10 packages. - How does the power-down feature work?
The power-down feature reduces current consumption to typically 550 nA at 5 V. - What are some common applications of the DAC7562SDSCR?
Common applications include portable instrumentation, PLC analog output modules, closed-loop servo control, and data acquisition systems. - Can the DAC7562SDSCR be used in synchronous and asynchronous modes?
Yes, it supports both synchronous and asynchronous modes using the LDAC pin. - What is the output voltage range of the DAC7562SDSCR?
The output voltage range is 0 to AVDD V.
