Overview
The DAC716UK/1KG4, produced by Texas Instruments, is a 16-bit digital-to-analog converter (DAC) that integrates a comprehensive set of features for high-precision analog output. This monolithic IC includes a +10V temperature-compensated voltage reference, a current-to-voltage amplifier, and a high-speed synchronous serial interface. The device is designed to operate from ±12V to ±15V power supplies and offers a voltage output range of 0 to +10V. It is available in 16-lead plastic DIP and wide-body plastic SOIC packages, with specifications over the 0°C to +70°C temperature range for the UK and PK variants.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Linearity Error | ±4 | ±2 | ±2 | LSB |
| Differential Linearity Error | ±4 | ±2 | ±2 | LSB |
| Monotonicity | 14 | 15 | 15 | Bits |
| Gain Error | ±0.1 | ±0.25 | ±0.25 | % |
| Power Dissipation | 750 | mW | ||
| Storage Temperature | –60 | +150 | °C | |
| Lead Temperature (soldering, 10s) | +300 | °C | ||
| Output Voltage Range | 0 | +10 | V | |
| Reference Voltage | +10 | V |
Key Features
- Serial Digital Interface: High-speed synchronous serial interface for data input and output, allowing cascading of multiple converters.
- Voltage Output: 0 to +10V output range with ±2 LSB integral linearity.
- Precision Internal Reference: +10V temperature-compensated voltage reference.
- Low Noise: 120nV/√Hz noise including reference.
- Protection and Adjustments: Output amplifier protected against short-circuiting to ground; gain and offset adjustments via external potentiometers or D/A converters.
- Package Options: Available in 16-lead plastic DIP and wide-body plastic SOIC packages.
- TTL Compatible Inputs: Digital inputs are TTL compatible with low leakage and high impedance.
- Double-Buffered Data Latches: Allows simultaneous update of multiple D/A converters.
Applications
The DAC716UK/1KG4 is suitable for various high-precision analog output applications, including:
- Industrial Control Systems: For precise control and measurement in industrial environments.
- Medical Devices: Where high accuracy and reliability are critical.
- Aerospace and Defense: For applications requiring robust and precise analog output.
- Test and Measurement Equipment: For generating precise analog signals in testing and calibration.
- Automotive Systems: For applications needing high-precision analog control and measurement.
Q & A
- What is the output voltage range of the DAC716UK/1KG4?
The output voltage range is 0 to +10V.
- What type of digital interface does the DAC716UK/1KG4 use?
The device uses a high-speed synchronous serial interface.
- How is the gain and offset adjusted on the DAC716UK/1KG4?
Gain and offset can be adjusted via external potentiometers or D/A converters.
- What is the temperature range for the DAC716UK/1KG4?
The device is specified over the 0°C to +70°C temperature range.
- Is the DAC716UK/1KG4 protected against short-circuiting?
Yes, the output amplifier is protected against short-circuiting to ground.
- Can multiple DAC716UK/1KG4 devices be cascaded?
Yes, multiple devices can be cascaded using the serial output (SDO) feature.
- What is the noise level of the DAC716UK/1KG4?
The noise level is 120nV/√Hz including the reference.
- Are the digital inputs TTL compatible?
Yes, the digital inputs are TTL compatible with low leakage and high impedance.
- How does the CLR function work on the DAC716UK/1KG4?
The CLR function resets both the input latch and the D/A latch to give an output voltage of 0V (code 0000).
- What is the power dissipation of the DAC716UK/1KG4?
The power dissipation is up to 750mW.
