Overview
The DAC60508ZYZFT from Texas Instruments is a member of the DACx0508 family, which includes octal, 16-, 14-, and 12-bit digital-to-analog converters (DACs) with SPI interfaces and internal references. This specific model, the DAC60508, is a true 12-bit, 8-channel DAC. It is designed for low power consumption and high performance, making it suitable for a variety of applications requiring precise analog output.
The device features an integrated 2.5 V precision internal reference, which eliminates the need for an external precision reference in most applications. It operates from a single 2.7 V to 5.5 V supply and is specified monotonic, ensuring high linearity and accuracy.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 12 Bits | |
| Integral Nonlinearity (INL) | ±1 LSB | |
| Total Unadjusted Error (TUE) | ±0.1% of FSR | |
| Internal Reference Voltage | 2.5 V ± 5 mV | V |
| Internal Reference Drift | 5 ppm/°C | |
| Output Voltage Range | 0 to 2.5 V (Gain = 1), 0 to 5 V (Gain = 2), 0 to 1.25 V (Gain = ½) | V |
| Power Supply Range | 2.7 V to 5.5 V | V |
| Operating Temperature Range | –40°C to 125°C | °C |
| Serial Interface Clock Rate | Up to 50 MHz | Hz |
| Current Consumption per Channel | 0.6 mA at 5.5 V | mA |
| Package Type | 16-Pin DSBGA | |
| Package Size | 2.4 mm x 2.4 mm | mm |
Key Features
- High Performance: ±1 LSB maximum integral nonlinearity and ±0.1% of FSR maximum total unadjusted error.
- Integrated Reference: 2.5 V precision internal reference with low drift of 5 ppm/°C.
- Flexible Output Configuration: User-selectable gain options (2, 1, or ½) and reset to zero scale or midscale.
- High Drive Capability: 20 mA output drive capability with 0.5 V from supply rails.
- Low Power Consumption: 0.6 mA per channel at 5.5 V and 15 µA in power-down mode.
- Wide Operating Range: Operates from 2.7 V to 5.5 V supply and –40°C to 125°C temperature range.
- 50 MHz SPI Interface: Compatible with a wide range of microprocessors and microcontrollers, with daisy chain operation and CRC error check.
- Small Package Options: Available in 3 mm x 3 mm WQFN and 2.4 mm x 2.4 mm DSBGA packages.
Applications
- Optical Networking: Suitable for optical network equipment requiring precise analog control.
- Wireless Infrastructure: Used in wireless base stations and other infrastructure for precise signal control.
- Industrial Automation: Ideal for industrial control systems that require high accuracy and reliability.
- Data Acquisition Systems: Utilized in data acquisition systems for converting digital signals to precise analog outputs.
Q & A
- What is the resolution of the DAC60508?
The DAC60508 has a resolution of 12 bits.
- What is the internal reference voltage of the DAC60508?
The internal reference voltage is 2.5 V with an initial accuracy of ±5 mV.
- What are the gain options available for the DAC60508?
The DAC60508 offers user-selectable gain options of 2, 1, or ½.
- What is the operating temperature range of the DAC60508?
The operating temperature range is –40°C to 125°C.
- What is the maximum serial interface clock rate for the DAC60508?
The maximum serial interface clock rate is up to 50 MHz.
- How much current does the DAC60508 consume per channel?
The DAC60508 consumes 0.6 mA per channel at 5.5 V.
- What package types are available for the DAC60508?
The DAC60508 is available in 16-Pin WQFN and 16-Pin DSBGA packages.
- What are some common applications for the DAC60508?
Common applications include optical networking, wireless infrastructure, industrial automation, and data acquisition systems.
- Does the DAC60508 support daisy chain operation?
Yes, the DAC60508 supports daisy chain operation through its SPI interface.
- What is the power-down current consumption of the DAC60508?
In power-down mode, the current consumption is 15 µA per channel.
