lmh6629sdx National Semiconductor Corporation, lmh6629sdx Datasheet - Page 14

• Manufacturer Part Number: lmh6629sdx
• Description: Lmh6629 Ultra-low Noise, High Speed Operational Amplifier
• Manufacturer: National Semiconductor Corporation

www.national.com
When driven from a 0Ω source, such as the output of an op
amp, the non-inverting input of the LMH6629 should be iso-
lated with at least a 25Ω series resistor.
As seen in
for the inverting configuration by placing a resistor (R
Figure
5, bias current cancellation is accomplished
FIGURE 4. Non-Inverting Amplifier Configuration
FIGURE 5. Inverting Amplifier Configuration
b
) on the
14
non-inverting input equal in value to the resistance seen by
the inverting input (R
25Ω for optimum LMH6629 performance. A shunt capacitor
(not shown) can minimize the additional noise of R
f
|| (R
g
+R
30068019
s
)). R
30068018
b
should to be no less than
b
.