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| OPA354A-Q1 Datasheet, PDF (15/37 Pages) Texas Instruments – 250-MHz, Rail-to-Rail I/O, CMOS Operational Amplifiers | |||
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Feature Description (continued)
V+
Red(1)
R1
R2
604W
604W
+3V
+
1mF
10nF
1/2
OPA2354-Q1
V+
Green(1)
R1
R2
604W
1/2
OPA2354-Q1
OPA354A-Q1, OPA2354A-Q1, OPA4354-Q1
SBOS492E â JUNE 2009 â REVISED AUGUST 2016
75W
Red
75W
75W
Green
75W
NOTE: (1) Source video signal offset
300 mV above ground to accomodate
op amp swingâtoâground capability.
604W
604W
+3V
V+
Blue(1)
R1
R2
604W
+
1mF 10nF
OPA354-Q1
75W
Blue
75W
Figure 33. RGB Cable Driver
7.3.6 Driving Analog-to-Digital Converters
The OPAx354-Q1 family of op-amps offers a 60-ns settling time to 0.01%, making the devices a good choice for
driving high- and medium-speed sampling ADCs and reference circuits. The OPAx354-Q1 family of devices
provides an effective means of buffering the input capacitance and resulting charge injection of the ADC while
providing signal gain. The OPAx354-Q1 family of devices is ideal for applications requiring high DC accuracy.
Figure 34 shows the OPAx354-Q1 family of devices driving an ADC. With the OPAx354-Q1 family of devices in
an inverting configuration, use of a capacitor across the feedback resistor can filter high-frequency noise in the
signal.
Copyright © 2009â2016, Texas Instruments Incorporated
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Product Folder Links: OPA354A-Q1 OPA2354A-Q1 OPA4354-Q1
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