LTC1289BCN#PBF

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Data acquisition and digitizing are important aspects of many digital applications. In this regard, devices like the LTC1289BCN#PBF, which is a High Accuracy Dual 12-Bit Successive Approximation Analog-to-Digital Converter (ADC), can be immensely useful. These devices offer specific advantages in applications ranging from embedded systems, patient monitors, and telecommunications applications to automated test equipment, instrumentation, and metering.

The LTC1289BCN#PBF is divided into two differential channels which are configurable for unipolar or bipolar operation. It features 12-bit resolution at a maximum conversion time of only 500 ns. The LTC1289BCN#PBF\'s internal track-and-hold circuit has a settling time of 10 ns and is capable of sampling and holding differential input signals up to 100 kHz. Furthermore, it is temperature compensated via an external trim potentiometer, although it has an initial accuracy of 0.25% of full-scale.

The LTC1289BCN#PBF\'s two onboard voltage references are referenced to the supply voltage. Each reference has a bandgap and a precision resistor-divider, for a total of four reference points. The voltage reference and amplifier also provide an adjustable gain stage for the analog and reference signals. A user-setting PLL allows the user to determine the ADC sample rate.

To provide additional protection to the analog signals, the LTC1289BCN#PBF includes an input latch, separate from the device\'s power supplies. This latch is configured as an electronic circuit breaker which disconnects the input signal from the ADC when an overload current is detected. It also allows the user to stay within the safe operating area, ensuring correct and safe operation of the device.

The LTC1289BCN#PBF can be configured to operate as either a synchronous parallel data output device or a serial data output device. In the parallel output configuration, the device can output 12-bits at different rates. In the serial mode, the device can output up to eight bits at varying rates. The device also possesses an automatic output latency adjustment feature to ensure that its outputs are zero before new data is valid.

The LTC1289BCN#PBF is a versatile device that offers a great deal of flexibility to system designers. The chip\'s wide range of features and configurability make it an ideal choice for applications that require precision analog-digital conversions with minimal setup and configuration time. Additionally, the LTC1289BCN#PBF\'s onboard features, including its protection mechanisms, add an extra layer of safety for system designers.

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