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| THS4532 Datasheet, PDF (25/44 Pages) Texas Instruments – Ultra Low Power, Rail-to-Rail Output, Fully-Differential Amplifier | |||
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VIN+
Input From 50-
Test Equipment
RG
PD
RIT
0.22 F
VIN±
No Connection
Installed to Balance
Amplifier
0.22 F
49.9
0.22 F
RG
RIT
THS4532
SLOS829 â FEBRUARY 2013
RF
RO
VS+
+
VOCM
±
THS4532
VS±
RO
RF
VOUT±
Output to
Test Equipment
VOUT+
Output to
Test Equipment
Figure 71. Slew Rate, Transient Response, Settling Time, ZO, Overdrive Recovery, VOUT Swing, and Turn-
on/off Test Circuit
Common-Mode and Power Supply Rejection
The circuit shown in Figure 72 is used to measure the CMRR. The signal from the network analyzer is applied
common-mode to the input.
VIN+
Input From 50-
Test Equipment
RG
RF
RO
VIN±
No Connection
0.22 F
RG
VS+
+
VOCM
±
VS±
VOUT±
THS4532
ROT
VOUT+
RO
RF
RIT
Cal Diff Probe
Measure With
Diff Probe
Figure 72. CMRR Test Circuit
Figure 73 is used to measure the PSRR of VS+ and VS-. The power supply is applied to the network analyzerâs
DC offset input. For both CMRR and PSRR, the output is probed using a high impedance differential probe
across ROT.
Copyright © 2013, Texas Instruments Incorporated
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