LT1008_1 Datasheet, PDF (11/16 Pages) Linear Technology – Picoamp Input Current, Microvolt Offset, Low Noise Op Amp

TYPICAL APPLICATIO S
Amplifier for Photodiode Sensor
S1 λ
R2
5M
1%
R1
5M
1%
2_–
LT1008
6
OUTPUT
3₊
8
C1
V_OUT = 10V/μA
100pF
1008 TA06
LT1008
Five Decade Kelvin-Varley Divider Buffered by the LT1008
10V
100k
KELVIN-VARLEY
DIVIDER
ESI #DP311
00000 – 99999 + 1
15V
2_–
7
6
LT1008
3₊
4
8
1
–15V
OUTPUT
1000pF
APPROXIMATE ERROR DUE TO NOISE, BIAS CURRENT,
COMMON MODE REJECTION. VOLTAGE GAIN OF THE
AMPLIFIER IS 1/5 OF A LEAST SIGNIFICANT BIT
1008 TA07
The LT1008 integrator extends low frequency range. Total
dynamic range is 0.01Hz to 10kHz (or 120dB) with 0.01%
linearity.
Extended Range Charge Pump Voltage to Frequency Converter
15V
50k
–15V
OPTIONAL 0.01Hz TRIM
22M
15V
1.8k
1000pF
(POLYSTYRENE)
1μF
V_IN
0V TO 10V
10k* 63.4k*
2_–
6
LT1008
3₊
8
100pF
22k
2
7
LT311A
1
3
4
–15V
*1% METAL FILM RESISTOR
ALL DIODES 1N4148
10k*
3+
100k 10k* LM301A
750k
2–
10k
15V
LT1004C
1.2V
6
1k
LM329
10k
–15V
10k
15V
5pF
FREQUENCY OUPUT
1008 TA08 0.01Hz TO 10kHz
1008fb
11