Datasheet

13
LTC1050
1050fb
U
SA
O
PP
L
IC
AT
ITY
P
I
CA
L
Photodiode Amplifier
–
+
LTC1050
7
2
3
4
1050 TA16
5V
6
V
OUT
500k
500k
HP
5082-4204
15pF
6 Decade Log Amplifier
–
+
LTC1050
7
2
3
2
3
V
IN
V
OUT
I
IN
4
7
4
5V
0.0022µF
10k
0.1%
–5V
5V
–5V
I
IN
1µA
66
2.5V
25k
1050 TA17
LT1009
–
+
22pF
5V
MAT-01MAT-01
15.7k
0.1%
1k*
0.1%
V
OUT
= –LOG = –LOG = –LOG(V
IN
) – 2V
ERROR REFERRED TO INPUT <1%
FOR INPUT CURRENT RANGE 1nA ~ 1mA
*TEL LAB TYPE Q81
†
CORRECTS FOR NONLINEARITIES
3k
1%
2M
†
1%
1N4148
†
2.5M
0.1%
LTC1050
()
V
IN
10mV
()
DC Accurate, 10Hz, 7th Order Lowpass Bessel Filter
–
+
LTC1050
7
3
2
4
8V
–8V
6
V
OUT
1050 TA18
C2
0.047µF
C1
0.047µF
• WIDEBAND NOISE 52µV
RMS
• LINEAR PHASE
• V
IN
≤ ±6V
• CLOCK TO CUTOFF FREQUENCY RATIO = 200:1
f
CLK
2kHz
8V
0.1µF
8
7
6
5
1
2
3
4
R′
196k
C
0.47µF
0.1µF
–8V
V
IN
R
16k
R′
196k
LTC1062
1N4148