RC4580IPWR datasheet(9/25 Pages) TI1

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15 V

VREF

12 V

VIN

VDIFF

VOUT-

VOUT+

RC4580

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SLOS412D – APRIL 2003 – REVISED NOVEMBER 2014

8 Application and Implementation

NOTE

Information in the following applications sections is not part of the TI component

specification, and TI does not warrant its accuracy or completeness. TI’s customers are

responsible for determining suitability of components for their purposes. Customers should

validate and test their design implementation to confirm system functionality.

8.1 Typical Application

Some applications require differential signals. Figure 13 shows a simple circuit to convert a single-ended input of

2 V to 10 V into differential output of ±8 V on a single 15-V supply. The output range is intentionally limited to

maximize linearity. The circuit is composed of two amplifiers. One amplifier acts as a buffer and creates a

voltage, VOUT+. The second amplifier inverts the input and adds a reference voltage to generate VOUT–. Both

VOUT+ and VOUT– range from 2 V to 10 V. The difference, VDIFF, is the difference between VOUT+ and VOUT–.

Figure 13. Schematic for Single-Ended Input to Differential Output Conversion

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RC4580IPWR Datasheet(PDF) 9 Page - Texas Instruments