Overview
The DAC128S085CIMTX/NOPB is a 12-bit micro-power octal digital-to-analog converter (DAC) manufactured by Texas Instruments. This component is designed for low-power operation and features rail-to-rail voltage output, making it suitable for a wide range of applications. The DAC is packaged in a 16-lead TSSOP, which is compact and efficient for space-constrained designs. It operates from a single supply voltage ranging from 2.7 V to 5.5 V, and it supports various serial interfaces including SPI, QSPI, and MICROWIRE.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12 bits |
| Number of Channels | 8 |
| Package Type | 16-lead TSSOP |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Output Type | Rail-to-Rail Voltage Output |
| Serial Interface | SPI, QSPI, MICROWIRE, DSP |
| Maximum Clock Rate | 40 MHz |
| Settling Time | 8.5 μs (Maximum) |
| Integral Nonlinearity (INL) | ±8 LSB (Maximum) |
| Differential Nonlinearity (DNL) | 0.75 / −0.4 LSB (Maximum) |
| Zero Code Error | 15 mV (Maximum) |
| Full-Scale Error | −0.75 %FSR (Maximum) |
| Operating Temperature Range | −40°C to 125°C |
| Power Consumption (Typical) | 1.95 mW (3 V) / 4.85 mW (5 V) |
| Power Down (Typical) | 0.3 μW (3 V) / 1 μW (5 V) |
Key Features
- Low Power Operation: The DAC128S085CIMTX/NOPB operates with low power consumption, making it suitable for battery-powered devices.
- Rail-to-Rail Output: The on-chip output amplifiers allow for rail-to-rail output swing, enhancing the dynamic range of the output signal.
- Dual Reference Voltages: The DAC supports two independent reference voltages, one for channels A through D and another for channels E through H, allowing for a wide output dynamic range.
- High-Speed Serial Interface: Compatible with SPI, QSPI, MICROWIRE, and DSP interfaces, with clock rates up to 40 MHz.
- Daisy-Chain Capability: Allows multiple DACs to be updated simultaneously using a single serial interface.
- Individual Channel Power-Down Capability: Each channel can be powered down independently to conserve power.
- Power-on Reset to 0 V: Ensures that the DAC outputs are reset to 0 V upon power-up.
- Compact Package: The 16-lead TSSOP package is one of the smallest in its class, making it ideal for space-constrained designs.
Applications
- Battery-Powered Instruments: Suitable for devices that require low power consumption.
- Digital Gain and Offset Adjustment: Can be used in applications requiring programmable gain and offset adjustments.
- Programmable Voltage and Current Sources: Useful in applications where programmable voltage or current sources are needed.
- Programmable Attenuators: Can be used in signal processing applications requiring adjustable attenuation.
- Voltage Reference for ADCs: Can serve as a voltage reference for analog-to-digital converters (ADCs).
- Sensor Supply Voltage: Suitable for powering sensors in various measurement systems.
- Range Detectors: Can be used in range detection applications due to its precise output control.
Q & A
- What is the resolution of the DAC128S085CIMTX/NOPB?
The resolution of the DAC128S085CIMTX/NOPB is 12 bits.
- How many channels does the DAC128S085CIMTX/NOPB have?
The DAC128S085CIMTX/NOPB has 8 channels.
- What is the package type of the DAC128S085CIMTX/NOPB?
The package type is a 16-lead TSSOP.
- What is the supply voltage range for the DAC128S085CIMTX/NOPB?
The supply voltage range is from 2.7 V to 5.5 V.
- What type of output does the DAC128S085CIMTX/NOPB have?
The DAC128S085CIMTX/NOPB has rail-to-rail voltage output.
- What serial interfaces does the DAC128S085CIMTX/NOPB support?
The DAC supports SPI, QSPI, MICROWIRE, and DSP interfaces.
- What is the maximum clock rate for the serial interface?
The maximum clock rate is up to 40 MHz.
- Can multiple DAC128S085CIMTX/NOPB devices be updated simultaneously?
Yes, the DAC128S085CIMTX/NOPB supports daisy-chain operation, allowing multiple devices to be updated simultaneously using a single serial interface.
- What is the operating temperature range of the DAC128S085CIMTX/NOPB?
The operating temperature range is from −40°C to 125°C.
- How much power does the DAC128S085CIMTX/NOPB typically consume?
The typical power consumption is 1.95 mW at 3 V and 4.85 mW at 5 V.
