Overview
The DAC8564IDPWR is a low-power, voltage-output, four-channel, 16-bit digital-to-analog converter (DAC) produced by Texas Instruments. This device is designed for applications requiring high precision and minimal glitch energy. It features an internal 2.5V reference with high accuracy and low temperature drift, making it suitable for a wide range of industrial and automotive applications.
Key Specifications
| Specification | Value |
|---|---|
| Number of Channels | 4 |
| Resolution | 16-bit |
| Internal Reference Voltage | 2.5V (enabled by default) |
| Internal Reference Accuracy | 0.004% (typ) |
| Temperature Drift of Reference | 2ppm/°C (typ), 5ppm/°C (max) |
| Glitch Energy | 0.15nV-s |
| Power Supply Range | +2.7V to +5.5V |
| Power Consumption at 5V | 1mA (active), 1.3μA (power-down) |
| Settling Time | 10μs to ±0.003% Full-Scale Range (FSR) |
| Serial Interface Clock Rate | Up to 50MHz |
| Logic Compatibility | 1.8V to 5.5V |
Key Features
- Ultra-low glitch energy to minimize code-to-code transient voltages.
- Internal 2.5V reference with high accuracy and low temperature drift.
- Monotonic over the entire temperature range.
- Low power consumption with power-down mode reducing current to 1.3μA at 5V.
- On-chip output buffer amplifier with rail-to-rail operation.
- Wide power supply range from +2.7V to +5.5V.
- 3-wire serial interface compatible with SPI, QSPI, Microwire, and DSP interfaces.
- Power-on reset to zero-scale output.
Applications
- Industrial control systems.
- Automotive systems requiring high precision and reliability.
- Medical devices where low glitch energy is critical.
- Aerospace and defense applications needing robust and accurate DACs.
- Test and measurement equipment.
Q & A
- What is the resolution of the DAC8564IDPWR?
The DAC8564IDPWR has a resolution of 16 bits. - What is the internal reference voltage of the DAC8564IDPWR?
The internal reference voltage is 2.5V, enabled by default. - What is the glitch energy of the DAC8564IDPWR?
The glitch energy is 0.15nV-s. - What is the power supply range for the DAC8564IDPWR?
The power supply range is from +2.7V to +5.5V. - What is the maximum clock rate for the serial interface?
The serial interface can operate at clock rates up to 50MHz. - Does the DAC8564IDPWR have a power-down feature?
Yes, the device has a power-down feature that reduces current consumption to 1.3μA at 5V. - Is the DAC8564IDPWR monotonic over the entire temperature range?
Yes, the DAC8564IDPWR is monotonic over the entire temperature range. - What is the settling time of the DAC8564IDPWR?
The settling time is 10μs to ±0.003% Full-Scale Range (FSR). - Is the DAC8564IDPWR compatible with standard serial interfaces?
Yes, it is compatible with SPI, QSPI, Microwire, and DSP interfaces. - What is the logic compatibility of the DAC8564IDPWR?
The logic compatibility is from 1.8V to 5.5V.
