Overview
The DAC121S101QCMK/NOPB, produced by Texas Instruments, is a 12-bit micro power, rail-to-rail output (RRO) digital-to-analog converter (DAC). This device is designed for low power operation and is suitable for a wide range of applications, including battery-powered instruments, digital gain and offset adjustment, and automotive systems. It operates from a single 2.7-V to 5.5-V supply and features a three-wire serial interface compatible with standard SPI™, QSPI, MICROWIRE, and DSP interfaces. The DAC121S101QCMK/NOPB is AEC-Q100 Grade 1 qualified, ensuring it meets stringent automotive standards.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Resolution | 12 | Bits |
| Differential Non-Linearity (DNL) | -0.15, +0.25 | LSB |
| Output Settling Time | 8 µs | |
| Zero Code Error | 4 mV | |
| Full-Scale Error | -0.06 %FS | |
| Normal Mode Power Consumption (3.6 V) | 0.64 mW | |
| Normal Mode Power Consumption (5.5 V) | 1.43 mW | |
| Power-Down Mode Power Consumption (3.6 V) | 0.14 µW | |
| Power-Down Mode Power Consumption (5.5 V) | 0.39 µW | |
| Temperature Range | -40°C to +125°C | |
| Supply Voltage Range | 2.7 V to 5.5 V |
Key Features
- Low power operation with power consumption as low as 0.64 mW at 3.6 V and 1.43 mW at 5.5 V in normal mode.
- Power-down feature reducing power consumption to less than a microWatt.
- Rail-to-rail voltage output.
- Power-on reset to zero volts output.
- Wide temperature range of -40°C to +125°C.
- Wide power supply range of 2.7 V to 5.5 V.
- Small packages available in 6-lead SOT.
- Ensured monotonicity.
- Three-wire serial interface compatible with SPI™, QSPI, MICROWIRE, and DSP interfaces, operating at clock rates up to 30 MHz.
Applications
- Battery-powered instruments.
- Digital gain and offset adjustment.
- Programmable voltage and current sources.
- Programmable attenuators.
- Automotive systems.
Q & A
- What is the resolution of the DAC121S101QCMK/NOPB? The resolution is 12 bits.
- What is the typical output settling time of the DAC121S101QCMK/NOPB? The typical output settling time is 8 µs.
- What is the power consumption in normal mode at 3.6 V? The power consumption in normal mode at 3.6 V is 0.64 mW.
- What is the temperature range of the DAC121S101QCMK/NOPB? The temperature range is -40°C to +125°C.
- What interfaces is the three-wire serial interface compatible with? The three-wire serial interface is compatible with SPI™, QSPI, MICROWIRE, and DSP interfaces.
- What is the maximum clock rate of the serial interface? The maximum clock rate is up to 30 MHz.
- Is the DAC121S101QCMK/NOPB suitable for automotive applications? Yes, it is AEC-Q100 Grade 1 qualified, making it suitable for automotive applications.
- What are the available package types for the DAC121S101QCMK/NOPB? It is available in a 6-lead SOT package.
- Does the DAC121S101QCMK/NOPB have a power-down feature? Yes, it has a power-down feature that reduces power consumption to less than a microWatt.
- What is the supply voltage range of the DAC121S101QCMK/NOPB? The supply voltage range is 2.7 V to 5.5 V.
