OPA111 Burr-Brown, OPA111 Datasheet - Page 11

• Manufacturer Part Number: OPA111
• Description: Low Noise Precision Difet OPERATIONAL AMPLIFIER
• Manufacturer: Burr-Brown

FIGURE 14. RIAA Equalized Phono Preamplifier.
FIGURE 16. ‘N’ Stage Parallel-Input Amplifier for Reduced Relative Amplifier Noise at the Output.
Input
365
R
T
Input
10.5k
3
2
C
T
OPA111
73.2k
0.01µF
0.03µF
G = 26dB
Midband
6
0.01µF
100
100
100
100
100
365
N = 10 OPA111BM
1µF
2
3
2
3
2
3
2
3
2
3
OPA111
OPA111
OPA111
OPA111
OPA111
10k
10k
10k
10k
10k
Output
100k
6
6
6
6
6
11
10k
10k
10k
10k
10k
FIGURE 15. High Sensitivity (under 1nW) Fiber Optic
*Silicon Detector Corp.
SD-041-11-21-011
Pin Diode*
<1pF to prevent peaking
Receiver for 9600 Baud Manchester Data.
2
3
OPA37
10k
2
3
A
e
BW = 30kHz typ
GBW = 30.3MHz typ
V
I
Z
* Theoretical performance achievable
from OPA111BM with uncorrelated
random distribution of parameters.
B
N
V
IN
V
OS
= 10pA max
OPA111
OS
= –1010
= 1.9nV/ Hz typ* at 10kHz
200M
= 16 V typ*
/ T = 0.16 V/ C typ*
10
12
20k
6
0.1µF
|| 30pF
6
OPA111
Output
Overload
3
2
LM211
1
Digital Common
0.1µW input
7
+5VDC
10k
Output
TTL
®