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LT1077_1 Datasheet, PDF (12/16 Pages) Linear Technology – Micropower, Single Supply, Precision Op Amp | |||
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LT1077
TYPICAL APPLICATIO S
±250V Common Mode Range Difference Amplifier (AV = 1)
R1
1M
â IN 3
R5
975k
4
1
R2
3V TO 18V R6
20k
25k
2
7
2
50k OPTIONAL
CMRR
TRIM
R3
1M
COMMON + IN 7
MODE
6
OUT
3
6
4
INPUT
± 250V
R4
19.608k
5
OV TO â18V
R1 TO R6: VISHAY 444 ACCUTRACT THIN FILM
SIP NETWORK
X :VISHAY 444 PIN NUMBERS
VISHAY INTERTECHNOLOGY, INC.
63 LINCOLN HIGHWAY
MALVERN, PA 19355
COMMON MODE REJECTION RATIO = 74dB (RESISTOR LIMITED)
WITH OPTIONAL TRIM = 108dB
OUTPUT OFFSET (TRIMMABLE TO ZERO) = 500µV
OUTPUT OFFSET DRIFT = 25µV/°C
INPUT RESISTANCE = 1M
COMMON MODE RANGE = ± 250V, V+ = 6.2V TO 18V, Vâ = â4.7V TO â18V
= ± 100V, V++⥠3.2V, Vâ ⤠â1.8V
= 100V, â13V, V+ ⥠3.2V, Vâ = 0V
LT1077 ⢠TA04
Two Terminal Current Source
3.6V TO 40V
2â 7
6
LT1077
3+
4
750k
IS
+
R1 VR1
â
LT1034
1.2V
LT1077 ⢠TA05
IO
RL
IO =
VR1
R1
+ IS
1.230V
= R1 + 50µA
MINIMUM CURRENT = 50µA (R1 â â)
MAXIMUM CURRENT = 10.3mA (R1 = 120â¦)
Half-Wave Rectifier
2M
1M
INPUT
1M
3V
â
LT1077
+
1.8V
â1.8V
OUTPUT
V0MIN = 6mV
NO DISTORTION TO 100Hz
1.8V
0
LT1077 ⢠TA06
1077fa
12
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