DAC161S055CISQX/NOPB

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Data Acquisition - Digital to Analog Converters (DAC) are analog converters that connect digital signals from computers or microcontrollers to analog outputs, allowing them to operate with analog components like motors, actuators and other physical processes. The DAC161S055CISQX/NOPB is a highly-accurate, low noise, low power 12-bit, serial inputs and current sources, Resolution and low side current sources converters in Thermally Enhanced, Low Cost QFN Package. This section will detail the application field and working principle of the DAC161S055CISQX/NOPB.

Application Field

The DAC161S055CISQX/NOPB is ideal for high-accuracy, low power and low noise applications such as motor control, process control, audio and industrial automation. Its features include low-cost, 12-bit resolution, low-side current sourcing, non-volatile memory, internal clock synchronization, single-ended and differential output types, on-chip ready delay, software-controllable offset and gain. It has a wide operating temperature range from -65° to +150°C, and is available in a range of different packages, including surface-mount, chip-on-board, through-hole and wire-bonding.

Working Principle

The DAC161S055CISQX/NOPB is a serial-input, dual-channel current source digital-to-analog converter (DAC). It provides differential, low-side current sources that can be configured for many typical current loop applications. The DAC provides ±2 LSB integral linearity. It has an input digital resolution of 12-bits, adjustable output current range from 1 mA to 8 mA and a supply voltage range of 4.5V to 5.5V.

The DAC161S055CISQX/NOPB allows the user to set an external reference voltage. This is made possible by two selectable 0.1% precision resistors, manufactured on the same die as the DAC core, and two external analog sources connected to the processor through a standard SPI interface. The output current is controlled by a 12-bit digital-to-analog converter (DAC). The output is available in two options, a differential signal or a single-ended signal, which can be connected directly to a signal conditioning circuit or other analog devices. The DAC core also contains a temperature sensor that can be used to compensate the temperature drift of the output current.

The DAC161S055CISQX/NOPB is an ideal solution for low-power, low noise, accurate and reliable applications. It has an excellent temperature range, low-side current source configuration and low cost package options. It is highly compatible with microcontroller systems and can be used in applications like closed-loop control, industrial automation, and medical devices.

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