LTC2637CMS-HZ8#PBF

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The LTC2637CMS-HZ8#PBF is a family of digital-to-analog converters (DACs) that uses current mode logic (CML) to provide precision voltage outputs in the range of 4.096V to VEE (GND). It is housed in an 8-lead MSOP package and is the perfect choice for applications that require superior flexibility, accuracy, and high-speed performance.

The DAC family consists of 4- or 6-bit resolution versions with a voltage span of up to 4.096V. It supports both unipolar and bipolar output ranges with a single 5V power supply. The LTC2637CMS-HZ8#PBF provides rail-to-rail output swings and fast settling times when driven by current mode logic. The output circuit is protected from ESD and ground-bounce radiation.

The DACs also offer low power consumption at typical values of 80uA when powered from a 3.3V supply. The LTC2637CMS-HZ8#PBF can be used in data acquisition systems, signal conditioning, closed loop control, adjustable bias and gain systems, waveform generation, and digital to analog conversions for sensor applications.

The internal operating principle of the DAC is based on the signal integration concept. A buffer amplifier is used to convert the CML input signal into a voltage signal that is fed into an integrator. The resulting output of the integrator is an analog voltage whose magnitude is proportional to the input signal. The output of the DAC is then filtered and buffered to form the analog voltage signal.

The LTC2637CMS-HZ8#PBF is designed with a low-power shutdown mode. When the input logic changes, the device will enter the shutdown mode where all DAC channels and outputs are disabled. When the input logic returns to its active state, the DAC will enter a power-on ready mode. In this mode, the device stays in an active mode to maintain low power consumption.

The DAC can operate at temperatures ranging from -40 to 85 degrees Celsius in normal operation. In addition, the device has an adjustable output offset feature that allows for compensation for beyond-spec offsets when signals must be centered in the DAC\'s internal range. The output resistance of the device is 10Kohm and the input resistance of the device is 1Mohm which are suitable for most ADC input stages.

The LTC2637CMS-HZ8#PBF is able to provide a wide dynamic range due to its low power consumption. The DAC is designed to provide high performance while remaining low in cost, suitable for almost any design requirement. This makes it an ideal choice for applications that require robust performance with low power consumption in order to remain cost-effective.

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