OPT101_03 BURR-BROWN [Burr-Brown Corporation], OPT101_03 Datasheet - Page 11

• Manufacturer Part Number: OPT101_03
• Description: MONOLITHIC PHOTODIODE AND SINGLE-SUPPLY TRANSIMPEDANCE AMPLIFIER
• Manufacturer: BURR-BROWN [Burr-Brown Corporation]

FIGURE 6. Differential Light Measurement.
FIGURE 7. LED Output Regulation Circuit.
OPT101
SBBS002A
REF102
+15V
2
4
2
2
10V
6
V
8
V
8
B
B
100k
11k
1M
10k
1M
3pF
3pF
OPT101
OPT101
8pF
8pF
3
3
1
1
+15V
+15V
2
3
4
5
4
5
0.03 F
V
OPA627
02
3.3nF
+15V
–15V
V
01
4
7
LED
6
IN4148
270
www.ti.com
OPT101
100k
100k
8%
Glass Microscope Slide
14
1
LED
Approximately
92% light
available for application.
R
G
+15V
–15V
1
8
6
9
2
3
LOG100
INA118
+15V
–15V
1nF
2
7
4
V
B
8
5
3
6
1M
3pF
7
8pF
V
OPT101
+15V
Log of Ratio Measurement
OUT
Difference Output
3
1
= (V
V
(Absorbance)
OUT
02
4
5
= K log
– V
01
) 1+
10
(V
50k
02
R
/V
G
01
)
11