Overview
The DAC122S085CIMM/NOPB is a 12-bit, dual-channel, voltage-output digital-to-analog converter (DAC) produced by Texas Instruments. This device is designed for low power operation and features a wide power supply range from +2.7V to +5.5V. It is packaged in a compact 10-lead SON or VSSOP package, making it one of the smallest dual DACs in its class. The DAC122S085 is suitable for a variety of applications, including battery-powered instruments, programmable voltage and current sources, and programmable attenuators.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12 Bits |
| Integral Non-Linearity (INL) | ±8 LSB (Max) |
| Differential Non-Linearity (DNL) | +0.7 / -0.5 LSB (Max) |
| Settling Time | 8.5 µs (Max) |
| Zero Code Error | +15 mV (Max) |
| Full-Scale Error | -0.75 %FS (Max) |
| Supply Power (Normal) | 0.6 mW (3V) / 1.6 mW (5V) (Typ) |
| Supply Power (Power Down) | 0.3 µW (3V) / 0.8 µW (5V) (Typ) |
| Operating Temperature Range | -40°C to +105°C |
| Serial Interface Clock Rate | Up to 40 MHz |
Key Features
- Low power operation with typical power consumption of 0.6 mW at 3V and 1.6 mW at 5V.
- Rail-to-rail voltage output.
- Power-on reset to 0V.
- Simultaneous output updating.
- Wide power supply range: +2.7V to +5.5V.
- Industry's smallest package in 10-lead SON and VSSOP.
- Power-down modes with low power consumption.
- Three-wire serial interface compatible with SPI, QSPI, MICROWIRE, and DSP interfaces.
- External reference voltage input with a range of 1V to VA.
Applications
- Battery-powered instruments.
- Digital gain and offset adjustment.
- Programmable voltage and current sources.
- Programmable attenuators.
- General-purpose analog output applications.
Q & A
- What is the resolution of the DAC122S085?
The DAC122S085 has a resolution of 12 bits.
- What is the power supply range of the DAC122S085?
The DAC122S085 operates from a single power supply of +2.7V to +5.5V.
- What is the typical power consumption of the DAC122S085?
The typical power consumption is 0.6 mW at 3V and 1.6 mW at 5V.
- Does the DAC122S085 have power-down modes?
Yes, the DAC122S085 has multiple power-down modes that reduce power consumption to less than a microWatt.
- What is the settling time of the DAC122S085?
The settling time is 8.5 µs (Max).
- Is the serial interface of the DAC122S085 compatible with standard interfaces?
Yes, the serial interface is compatible with SPI, QSPI, MICROWIRE, and DSP interfaces.
- What is the operating temperature range of the DAC122S085?
The operating temperature range is -40°C to +105°C.
- Does the DAC122S085 have a power-on reset feature?
Yes, the DAC122S085 has a power-on reset circuit that ensures the output voltages power up to zero volts.
- Can the outputs of the DAC122S085 be updated simultaneously or individually?
Both outputs can be updated simultaneously or individually depending on the mode of operation settings.
- What is the reference voltage range for the DAC122S085?
The reference voltage range is 1V to VA, providing the widest possible output dynamic range.
