LTC2637CDE-HMI8#TRPBF

The LTC2637CDE-HMI8#TRPBF is a digital-to-analog converter (DAC) from Linear Technology Corporation, designed to be used as part of a digital control and monitoring system. The DAC does not require an external reference, and is powered by an internal 12-bit C-MOS core. It is ideal for applications that require precise, low-noise digital-to-analog conversion, such as computers, telecommunications, industrial process control, and medical equipment.

Features

• Power Consumption: 8 mW typical, 13 mW maximum
• 3V Single-Supply Operation
• 2V Output Voltage Range
• Fast Settling Time: 28 ns Maximum
• Wide Linear-Input Range: +2.5V, -2.5V, +5V, -5V
• Rail-to-Rail Output Voltage Range
• Serial Interface Options: SPI, PMBus, I2C
• SPI 2-Wire Serial Interface
• Internal Vref Externally Trimmed for Maximum Output Voltage Range Accuracy
• Gain Selectable for Sensor Signal Conditioning
• DSP Compatible
• No External Reference Required
• Small 8-pin package

Application Field and Working Principle

The LTC2637CDE-HMI8#TRPBF is a versatile converter that can be used in a number of applications. Due to its wide linear-input range, low power consumption, fast settling time, and rail-to-rail output voltage range, it is most often used in applications such as industrial process control and automated test and measurement instruments.

The working principle behind the LTC2637CDE-HMI8#TRPBF is fairly simple. The device takes an analog signal, samples it, converts it to digital form, and then converts it back to either analog voltage or current output. The output can then be used to control or monitor a variety of things, from valve position to temperature to pressure.

The LTC2637CDE-HMI8#TRPBF also has an internal Vref which can be externally trimmed for maximum output voltage range accuracy. This eliminates the need for an external reference and simplifies the design process. Additionally, the device comes with a gain selectable option, allowing the signal to be conditioned for improved sensor accuracy.

The LTC2637CDE-HMI8#TRPBF is an excellent choice for applications in which precise digital-to-analog conversion is required. Its low power consumption, fast settling time, and wide linear-input range make it ideal for a variety of control and monitoring applications.