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| LMH6622 Datasheet, PDF (21/33 Pages) National Semiconductor (TI) – Dual Wideband, Low Noise, 160MHz, Operational Amplifiers | |||
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9.4 Typical Application
See Figure 40 for application circuit.
LMH6672
LMH6622
SNOS986E â DECEMBER 2001 â REVISED JULY 2014
DAC +
DAC -
IN OUT
IN OUT
+VA/2
-VA/2
V1
1/2RS
1/2RL
1:N
++
VT1
VTN
V2
-
-
VS
1/2RS
1/2RL
ADC +
RF
-
+VOUT
+
R1
R2
R+
LMH6622
ADC -
-VOUT
+
-
RF
R+
R1
R2
Figure 40. ADSL Receive Applications Circuit
9.4.1 Design Requirements
All normal precautions / considerations with Op Amps apply
9.4.2 Detailed Design Procedure
⢠Use power supply decoupling capacitors close to supply pins
⢠Beware of junction temperature rise at elevated ambient temperature and / or heavy output(s) load current
especially at higher supply voltages
⢠Ground plane near sensitive input pins can be removed to minimize parasitic capacitance
9.4.3 Application Curves
See Figure 38 and Figure 39.
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