LT1022_15 Datasheet, PDF (7/12 Pages) Linear Technology – High Speed, Precision JFET Input Operational Amplifier

TYPICAL APPLICATIO S
PIN Photodiode-to-Frequency Converter
5pF
FULL-SCALE TRIM
LT1022
15V
1.8k
47pF*†
2N2222
2pF
100k
15V
1.8k
10k
4.7k
LM329
2N2222 _1000pF†
15V
2_–
7
15V
1.8k _{2 +}
8
7
1.8k
LT1011
3_–
4
10M
LIGHT
INPUT
–15V
LT1022
3₊
4
–15V
6
100k
15V _200k
1
–15V
LT1004
3.3M
10k
8
2
2.5V
1.8k
DARK
CURRENT
7
1k 1k
LT1011
0.1µF
–15V
TRIM
3
1
4
–15V
20k
2N2222
1.8k
15V
TTL OUTPUT
20Hz 2MHz
4.7k
SCALE FACTOR =
1nW/Hz AT 900 NANOMETERS FROM 20nW TO 2mW
= HEWLETT PACKARD PHOTODIODE HP5082-4204
= 1N4148
† _POLYSTYRENE
* SELECT VALUE FOR 2mW IN = 2MHz OUT
LT1022 • TA05
1022fa
7