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THS4532 Datasheet(PDF) 28 Page - Texas Instruments

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Part # THS4532
Description  Ultra Low Power, Rail-to-Rail Output, Fully-Differential Amplifier
PDF  44 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

THS4532 Datasheet(HTML) 28 Page - Texas Instruments

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RG
RG
RF
RF
VS+
THS4532
VS±
VOUT+
VOUT±
VIN+
+
±
Single-Ended
Input
Differential
Output
RG
RG
RF
RF
VS+
THS4532
VS±
VOUT+
VOUT±
VIN+
VIN±
+
±
Differential
Input
Differential
Output
THS4532
SLOS829 – FEBRUARY 2013
www.ti.com
APPLICATION CIRCUITS
The following circuits show application information for the THS4532. For simplicity, power supply decoupling
capacitors are not shown in these diagrams – see the EVM and Layout Recommendations section for
recommendations. For more detail on the use and operation of fully differential op amps, see the application
report “Fully-Differential Amplifiers” SLOA054D.
Differential Input to Differential Output Amplifier
The THS4532 is a fully differential op amp and can be used to amplify differential input signals to differential
output signals. A basic block diagram of the circuit is shown in Figure 76 (VOCM and PD inputs not shown). The
gain of the circuit is set by RF divided by RG.
Figure 76. Differential Input to Differential Output Amplifier
Single-Ended Input to Differential Output Amplifier
The THS4532 can also be used to amplify and convert single-ended input signals to differential output signals. A
basic block diagram of the circuit is shown in Figure 77 (VOCM and PD inputs not shown). The gain of the circuit
is again set by RF divided by RG.
Figure 77. Single-Ended Input to Differential Output Amplifier
Differential Input to Single-Ended Output Amplifier
Fully differential op amps like the THS4532 are not recommended for differential to single-ended conversion.
This application is best performed with an instrumentation amplifier or with a standard op amp configured as a
classic differential amplifier. See application section of the OPA835 data sheet (SLOS713).
28
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Copyright © 2013, Texas Instruments Incorporated
Product Folder Links :THS4532



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