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OPA2111 Datasheet, PDF (10/15 Pages) Burr-Brown (TI) – Dual Low Noise Precision Difet OPERATIONAL AMPLIFIER | |||
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<1pF to prevent gain peaking
Pin Photodiode
UDT Pin-040A
1000Mâ¦
+15V
Guard
0.1µF
2
81
1/2 OPA2111
3
4 0.1µF
Output
5 x 108V/W
0.01µF
1000Mâ¦
â15V
Circuit must be well shielded.
FIGURE 6. Sensitive Photodiode Amplifier.
100â¦
10kâ¦
5.34Mâ¦(1) 5.34Mâ¦(1)
1/2 OPA2111BM
2
1
3
Out
In
1/2 OPA2111BM
1000pF
5
2kâ¦
7
Q
6
2.67Mâ¦(1)
500pF
500pF
NOTE: (1) For 50Hz use 3.16M⦠and 6.37â¦.
Gain = 101
FIGURE 7. High Impedance 60Hz Reject Filter with Gain.
10.5k⦠0.03µF
0.01µF
365â¦
L
Input
RT
73.2â¦
Right
2
1
1/2 OPA2111
3
CT
365k⦠1µF
Output
0.01µF
100kâ¦
10.5k⦠0.03µF
0.01µF
365â¦
R
Input
RT
73.2â¦
Left
6
7
1/2 OPA2111
5
365⦠1µF
CT
0.01µF
G = 26dB Midband
Output
100kâ¦
FIGURE 8. RIAA Equalized Stereo Preamplifier.
®
OPA2111
10
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