LTC1458IG#TRPBF

Reference Type:	External, Internal
Base Part Number:	LTC1458
Supplier Device Package:	28-SSOP
Package / Case:	28-SSOP (0.209", 5.30mm Width)
Operating Temperature:	-40°C ~ 85°C
Architecture:	R-2R
INL/DNL (LSB):	±2.25, ±0.5 (Max)
Voltage - Supply, Digital:	5V
Voltage - Supply, Analog:	5V
Series:	--
Data Interface:	SPI
Differential Output:	No
Output Type:	Voltage - Buffered
Settling Time:	14µs (Typ)
Number of D/A Converters:	4
Number of Bits:	12
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to LTC1458IG#TRPBF

The Linear Technology LTC1458IG#TRPBF is a digital-to-analog conversion (DAC) data acquisition device ideal for a wide range of applications. This device offers 12-bit resolution, with a conversion speed of up to 40 MS/sec, and a wide input voltage range of 2.7V to 5V. The LTC1458IG#TRPBF has a selectable output voltage range of 0V to Vcc, or 0V to 2Vcc, which allows the user to optimize performance and power consumption in their application.

Applications

One of the primary applications for the LTC1458IG#TRPBF is analog signal processing in communication systems. This includes modulating, demodulating, encoding, and decoding analog signals. Another common application is in sensor signal conditioning, where the device can be used as a bridge between analog and digital signal processing.The LTC1458IG#TRPBF can also be used in robotic synthetic applications. This device is useful in measuring the velocity, position, and direction of motors, as well as controlling the current & voltage output of servo motors.Finally, the device can be used in digital signal processing (DSP) systems, for applications such as digital signal filtering and signal compression.

Working Principle

The LTC1458IG#TRPBF is a precision digital-to-analog converter (DAC). The device uses a 12-bit digital word to convert an input voltage into a corresponding analog output voltage. The device has a single input gain (A/D) amplifier which amplifies the input voltage to a full-scale range of 2V to 5V. The digitally supplied gain control is adjusted to achieve the desired output. The device then generates an appropriate output voltage based on the digital values provided. The device’s output voltage is provided in two versions. The 0V to Vcc version provides a voltage range of 0-Vcc, while the 0V to 2Vcc version provides a voltage range of 0-2Vcc. The user can select the appropriate gain setting to meet the specific application needs.

Conclusion

The Linear Technology LTC1458IG#TRPBF is a digital-to-analog converter (DAC) data acquisition device suitable for a wide range of applications. It offers 12-bit resolution, with a conversion speed of up to 40 MS/sec, and a wide input voltage range of 2.7V to 5V. The 0V to Vcc and 0V to 2Vcc output voltage range allows the user to optimize performance and power consumption in their application. The device can be used in communications applications, sensor signal conditioning, robotic and synthetic applications, and digital signal processing.

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