Overview
The DAC121S101CIMKX is a full-featured, general-purpose, 12-bit voltage-output digital-to-analog converter (DAC) produced by Texas Instruments. This device operates from a single 2.7-V to 5.5-V supply and is designed for low power consumption, making it suitable for battery-operated equipment. The DAC features an on-chip output amplifier that allows rail-to-rail output swing and a three-wire serial interface compatible with standard SPI™, QSPI, MICROWIRE, and DSP interfaces. It is also available in various packages, including a 6-lead SOT and an 8-lead VSSOP, and is a direct replacement for the AD5320 and the DAC7512.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12-bit |
| Differential Non-Linearity (DNL) | -0.15, +0.25 LSB (Typical) |
| Output Settling Time | 8 µs (Typical) |
| Zero Code Error | 4 mV (Typical) |
| Full-Scale Error | -0.06 %FS (Typical) |
| Normal Mode Power Consumption | 0.64 mW (3.6 V) / 1.43 mW (5.5 V) (Typical) |
| Power-Down Mode Power Consumption | 0.14 µW (3.6 V) / 0.39 µW (5.5 V) (Typical) |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Temperature Range | -40°C to +105°C (Industrial), -40°C to +125°C (Automotive Grade 1) |
| Package Options | 6-lead SOT, 8-lead VSSOP |
Key Features
- Ensured Monotonicity
- Low Power Operation
- Rail-to-Rail Voltage Output
- Power-on Reset to Zero Volts Output
- Wide Temperature Range of –40°C to +125°C for Automotive Grade 1
- Wide Power Supply Range of 2.7 V to 5.5 V
- Small Packages
- Power Down Feature reducing power consumption to less than a microWatt
- Three-wire serial interface compatible with standard SPI™, QSPI, MICROWIRE, and DSP interfaces up to 30 MHz clock rates
Applications
- Battery-Powered Instruments
- Digital Gain and Offset Adjustment
- Programmable Voltage and Current Sources
- Programmable Attenuators
- Automotive Systems (especially the DAC121S101-Q1 model)
Q & A
- What is the resolution of the DAC121S101CIMKX?
The DAC121S101CIMKX has a 12-bit resolution.
- What is the typical output settling time of the DAC121S101CIMKX?
The typical output settling time is 8 µs.
- What is the power consumption in normal mode at 3.6 V and 5.5 V?
The power consumption is 0.64 mW at 3.6 V and 1.43 mW at 5.5 V in normal mode.
- What is the power consumption in power-down mode at 3.6 V and 5.5 V?
The power consumption is 0.14 µW at 3.6 V and 0.39 µW at 5.5 V in power-down mode.
- What are the compatible interfaces for the DAC121S101CIMKX?
The device is compatible with standard SPI™, QSPI, MICROWIRE, and DSP interfaces.
- What is the temperature range for the industrial and automotive versions?
The industrial version operates from -40°C to +105°C, while the automotive version (DAC121S101-Q1) operates from -40°C to +125°C.
- What are the package options available for the DAC121S101CIMKX?
The device is available in 6-lead SOT and 8-lead VSSOP packages.
- Does the DAC121S101CIMKX have a power-on reset feature?
- Is the DAC121S101CIMKX suitable for automotive applications?
- Can the DAC121S101CIMKX be used in battery-operated equipment?
