LTC2630ISC6-LM8#TRMPBF

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Data Acquisition - Digital to Analog Converters

A Digital-to-Analog Converter (DAC) is a device capable of converting digital data (1s and 0s) into a continuous analog voltage or current output. The LTC2630 is a precision, single-channel, 12-bit Digital-to-Analog Converter IC. It is capable of outputting a full-scale output of 12V or ±6V with a 0V to 6V input range. It is offered in three different output voltage range options, allowing for a variety of applications.

LTC2630ISC6-LM8#TRMPBF Features

• High accuracy 12-bit resolution
• Output voltage range of 0V–6V
• Fast settling time of 8µs
• Low power consumption
• Wide operating temperature range of -40°C to +125°C

LTC2630ISC6-LM8#TRMPBF Application Fields

The LTC2630ISC6-LM8#TRMPBF is suited to a wide variety of applications, including audio, instrumentation, automotive and process control. The extended temperature range and low power consumption suit it for use in harsh industrial environments. The built-in 75% bandwidth limit keeps noise under control in high speed data transmission applications. The fast settling time allows for precise position control with fast response. With its outstanding accuracy, it is also suitable for precise metering and calibration applications.

LTC2630ISC6-LM8#TRMPBF Working Principle

The LTC2630ISC6-LM8#TRMPBF operates by using a charge redistribution architecture. This architecture works in the following way: The device contains an array of small capacitors which are connected between the output and ground. Depending on the value of the input digital code, a different number of the capacitors are “charged” and thus they act like a variable resistor between the output and ground. This variable resistor reduces the voltage output to the exact value desired.

The LTC2630ISC6-LM8#TRMPBF also features an active stabilization loop that helps drive its outstanding accuracy. This loop controls the mid-scale of the output. The loop compares the output voltage to a reference to ensure that the desired voltage swing is achieved over the full output range.

Conclusion

The LTC2630ISC6-LM8#TRMPBF is a precision 12-bit DAC that is capable of outputting a full-scale output of 12V or ±6V with a 0V to 6V input range. It is suitable for a wide variety of applications including audio, instrumentation, automated control, and metering. The 75% bandwidth limit and fast settling time make it ideal for high-speed data transmission applications. It is offered with a wide operating temperature range and low power consumption, allowing it to be used in harsh industrial environments. The built-in active stabilization loop helps drive its outstanding accuracy.

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