Overview
The DAC5578SRGER is an 8-bit, octal channel, ultra-low glitch, voltage output digital-to-analog converter (DAC) produced by Texas Instruments. This device is designed for applications requiring high accuracy and low power consumption. It features a versatile 2-wire serial interface compatible with I²C protocols and operates over a wide power-supply range of 2.7V to 5.5V. The DAC5578SRGER is particularly suited for use in portable, battery-operated equipment due to its low power consumption and small footprint.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | DAC5578SRGER |
| Number of Bits | 8 |
| Number of D/A Converters | 8 |
| Package Type | 24-VFQFN Exposed Pad |
| Package Size | 4x4 mm |
| Supply Voltage | 2.7V to 5.5V |
| Operating Temperature | -40°C to 125°C |
| Settling Time | 12 µs (Typical) |
| Data Interface | I²C compatible |
| Output Type | Voltage - Buffered |
| Differential Output | No |
| INL/DNL | ±0.01 LSB |
| Power Consumption | 0.13 mA/ch at 5V |
| Power-Down Current | Typically 0.42 µA at 5V |
Key Features
- Ultra-low glitch voltage output to minimize undesired code-to-code transient voltages.
- 2-wire serial interface compatible with I²C protocols, supporting clock rates up to 3.4 MHz.
- Power-on-reset (POR) circuit ensuring the DAC output powers up to zero-scale or midscale until a valid code is written.
- Power-down feature accessible through the serial interface, reducing current consumption to typically 0.42 µA at 5V.
- Low power operation with typical current consumption of 0.13 mA/ch at 5V.
- Wide power-supply range of 2.7V to 5.5V.
- High accuracy with relative accuracy of 0.25 LSB INL.
Applications
- Portable Instrumentation: Ideal for battery-operated devices due to low power consumption and small footprint.
- Closed-Loop Servo Control: Suitable for precise control applications requiring low glitch and high accuracy.
- Process Control: Used in systems that require multiple analog outputs with high precision and low power consumption.
- Data Acquisition Systems: Applicable in systems that need to convert digital data into accurate analog signals.
Q & A
- What is the part number of this DAC? The part number is DAC5578SRGER.
- Who is the manufacturer of this component? The manufacturer is Texas Instruments.
- What is the number of bits in this DAC? This DAC is an 8-bit device.
- What is the package type of the DAC5578SRGER? The package type is 24-VFQFN Exposed Pad.
- What is the operating temperature range of this DAC? The operating temperature range is -40°C to 125°C.
- What is the typical settling time of the DAC5578SRGER? The typical settling time is 12 µs.
- What type of data interface does this DAC use? The DAC uses an I²C compatible 2-wire serial interface.
- What is the output type of this DAC? The output type is voltage-buffered.
- Does the DAC5578SRGER support differential output? No, it does not support differential output.
- What is the typical power consumption per channel at 5V? The typical power consumption per channel at 5V is 0.13 mA.
