THS7530-Q1 Datasheet, PDF (13/30 Pages) Texas Instruments – THS7530-Q1 High-Speed, Fully Differential, Continuously Variable Gain Amplifier

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9 Application and Implementation
THS7530-Q1
SLOS932 – DECEMBER 2015
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.
9.1 Application Information
The THS7530-Q1 device is designed to work in a wide variety of applications requiring continuously variable gain
and a fully-differential signal path. The common-mode voltage control and the output voltage clamps enable the
THS7530-Q1 device to drive a diverse array of receiving circuits.
1 kW
1 kW
V_S+ = 5 V
0.1 mF
0.1 mF
6.8 mF
V_IN
1:1
50 W
V_CL+
V_CL-
V_OCM
PD
THS7530
33 pF
24.9 W
1:1
V_OUT
0.1 mF
24.9 W
V_G-
33 pF
V_{S- VG+}
Figure 18. EVM Schematic: Designed for Use With Typical 50-Ω RF Test Equipment
1 kW
1 kW
V_S+ = 5 V
0.1 mF
0.1 mF
6.8 mF
49.9 W
0.1 mF
V_IN
49.9 W
V_CL+
V_CL-
V_OCM
PD
THS7530
0.1 mF
V_G-
33 pF
24.9 W
24.9 W
33 pF
0.1 mF
0.1 mF
V_OUT-
V_OUT+
V_{S- VG+}
Figure 19. AC-Coupled Single-Ended Input With AC-Coupled Differential Output
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