Overview
The DAC108S085CIMTX/NOPB from Texas Instruments is a 10-bit micro power octal digital-to-analog converter (DAC) designed for a wide range of applications requiring multiple analog outputs. This device operates from a single supply voltage ranging from 2.7V to 5.5V and is packaged in a 16-lead TSSOP package. It features rail-to-rail output amplifiers and a three-wire serial interface compatible with standard SPI, QSPI, Microwire, and DSP interfaces. The DAC108S085 is known for its low power consumption, making it suitable for battery-operated equipment and other power-sensitive applications.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 10 Bits |
| Integral Nonlinearity Error (INL) | ±2 LSB (Max) |
| Differential Nonlinearity Error (DNL) | +0.35/-0.2 LSB (Max) |
| Settling Time | 6 µs (Max) |
| Zero Code Error | +15 mV (Max) |
| Full-Scale Error | -0.75% FSR (Max) |
| Supply Voltage | 2.7V to 5.5V |
| Power Consumption (Normal) | 1.95 mW (3V), 4.85 mW (5V) (Typ) |
| Power Consumption (Power Down) | 0.3 µW (3V), 1 µW (5V) (Typ) |
| Number of DAC Channels | 8 |
| Output Type | Voltage, Rail-to-Rail |
| Package Type | 16-lead TSSOP |
| Operating Temperature | -40°C to +125°C |
| Digital Interface Type | Serial (3-Wire, SPI, QSPI, Microwire) |
Key Features
- Rail-to-Rail Output Amplifiers: Allows for full output swing, enhancing the dynamic range of the analog outputs.
- Low Power Consumption: Consumes 1.95 mW at 3V and 4.85 mW at 5V, making it suitable for battery-operated devices.
- High-Speed Serial Interface: Compatible with SPI, QSPI, Microwire, and DSP interfaces, operating at clock rates up to 40 MHz.
- Daisy Chain Operation: Allows multiple DACs to be updated simultaneously using a single serial interface.
- Independent Channel Control: Each DAC channel can be powered down independently with three different termination options.
- Power-On Reset: Ensures DAC outputs power up to zero volts and remain there until a valid write is performed.
- Extended Industrial Temperature Range: Operates from -40°C to +125°C.
Applications
The DAC108S085CIMTX/NOPB is versatile and can be used in a variety of applications, including:
- Battery-Operated Equipment: Due to its low power consumption, it is ideal for devices that require long battery life.
- Industrial Automation: Suitable for control systems and data acquisition in industrial environments.
- Aerospace and Defense: With its extended industrial temperature range, it can be used in harsh environmental conditions.
- Medical Devices: Can be used in medical equipment that requires precise analog outputs and low power consumption.
- Automotive Systems: Applicable in automotive control systems and sensors due to its robust operating temperature range.
Q & A
- What is the resolution of the DAC108S085CIMTX/NOPB?
The resolution is 10 bits.
- What is the operating supply voltage range for this DAC?
The operating supply voltage range is from 2.7V to 5.5V.
- How many DAC channels does this device have?
The device has 8 DAC channels.
- What type of output does the DAC108S085CIMTX/NOPB provide?
The output is voltage, with rail-to-rail capability.
- What is the maximum settling time for this DAC?
The maximum settling time is 6 µs.
- Is the DAC108S085CIMTX/NOPB compatible with SPI interfaces?
Yes, it is compatible with SPI, QSPI, Microwire, and DSP interfaces.
- What is the typical power consumption at 3V and 5V supply voltages?
At 3V, the typical power consumption is 1.95 mW, and at 5V, it is 4.85 mW.
- Can multiple DAC108S085CIMTX/NOPB devices be updated simultaneously?
Yes, multiple devices can be updated simultaneously using a single serial interface in daisy chain operation.
- What is the operating temperature range of the DAC108S085CIMTX/NOPB?
The operating temperature range is from -40°C to +125°C.
- Is the DAC108S085CIMTX/NOPB RoHS compliant?
Yes, the device is RoHS compliant.
