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LT1079ACN Datasheet(PDF) 7 Page - Linear Technology

Part # LT1079ACN
Description  Micropower, Dual and Quad, Single Supply, Precision Op Amps
PDF  20 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1079ACN Datasheet(HTML) 7 Page - Linear Technology

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7
LT1078/LT1079
TIME (SEC)
0
8
LT1078/79 • TPC04
2
4
6
10
CHANNEL A
CHANNEL B
TA = 25°C
VS = ±2.5V
TYPICAL PERFORMANCE CHARACTERISTICS
Input Bias Current
vs Common Mode Voltage
Input Bias and Offset Currents
vs Temperature
Supply Current vs Temperature
TEMPERATURE (
°C)
–50
55
50
45
40
35
30
25
25
75
LT1078/79 • TPC01
–25
0
50
100
125
VS = ±15V
VS = 5V, 0V
TEMPERATURE (
°C)
–50
100
50
0
–5
–6
–7
0
50
75
LT1078/79 • TPC02
–25
25
100
125
IOS
IB
VS = 5V, 0V TO ±15V
COMMON MODE VOLTAGE (V)
–1
0
–2
–4
–6
–8
–10
–12
012
3
LT1078/79 • TPC03
4
TA = 125°C
TA = –55°C
VS = 5V, 0V
TA = 25°C
0.1Hz to 10Hz Noise
0.01Hz to 10Hz Noise
Noise Spectrum
TIME (SEC)
0
80
LT1078/79 • TPC05
20
40
60
100
CHANNEL B
TA = 25°C
VS = ±2.5V
CHANNEL A
0.4
µV
FREQUENCY (Hz)
0.1
1
100
10
100
30
1000
300
10
1000
LT1078/79 • TPC06
CURRENT
NOISE
VOLTAGE
NOISE
1/f CORNER
0.7Hz
TA = 25°C
VS = ±2.5V
(AT VS = ±15V
VOLTAGE NOISE
IS 4% LESS
CURRENT NOISE
IS UNCHANGED)
10Hz Voltage Noise Distribution
Distribution of Offset Voltage Drift
with Temperature (In All Packages
Except Surface Mount)
Long Term Stability of Two
Representative Units (LT1078)
VOLTAGE NOISE DENSITY (nV/
√Hz)
25
LT1078/79 • TPC07
30
35
40
35
30
25
20
15
10
5
0
TA = 25°C
VS = ±2.5V
329 OP AMPS TESTED
FROM THREE RUNS
106 LT1078'S
45 LT1079'S
TIME (MONTHS)
0
123
4
LT078/79 • TPC09
5
15
10
5
0
–5
–10
–15
TA = 25°C, VS = 5V, 0V
VCM = 0.1V
1A
2B
1B
2A
OFFSET VOLTAGE DRIFT WITH TEMPERATURE (
µV/°C)
25
20
15
10
5
0
LT1078/79 • TPC08
–2
–1
0
1
2
11
1
1
3 5
7
44
89
120
109
85
47
4 3
VS = 5V, 0V
VCM = 0.1V
120 LT1078'S
70 LT1079'S
520 OP AMPS



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