LT1178/LT1179
U W
TYPICAL PERFOR A CE CHARACTERISTICS
Input Bias and Offset Currents vs
Temperature
Output Saturation vs Temperature
vs Sink Current
Short-Circuit Current
100
75
1000
100
10
20
10
V
V
= 5V, 0V
V
= 5V, 0V
V = 5V, 0V
S
S
S
I
I
= 1mA
SINK
= ±15V
S
= 100µA
SINK
I
OS
50
V
= ±2.5V
= ±2.5V
S
S
0
I
= 1µA
SINK
25
V
–2.5
–3.0
–3.5
–4.0
NO LOAD
–10
–20
–30
I
B
10k TO GROUND
1
V
= ±15V
2k TO GROUND
S
0.1
50
TEMPERATURE (°C)
100
–50 –25
0
25
75
50
TEMPERATURE (°C)
100
–50
–25
0
25
75
0
1
2
TIME FROM OUTPUT SHORT TO GROUND (MINUTES)
LT1178/LT1179 • TPC05
LT1178/LT1179 • TPC04
LT1178/LT1179 • TPC06
0.1Hz to 10Hz Noise
0.01Hz to 10Hz Noise
Noise Spectrum
1000
300
100
30
V
= ±2.5V, T = 25°C
A
V
= ±2.5V, T = 25°C
V
T
= ±2.5V
= 25°C
S
S
A
S
A
CURRENT
NOISE
CHANNEL A
CHANNEL A
VOLTAGE NOISE
1/f CORNER
0.5Hz
CHANNEL B
CHANNEL B
60
10
0.1
1
10
FREQUENCY (Hz)
100
1k
8
10
80
100
0
2
4
6
12
0
20
40
120
TIME (SECONDS)
TIME (SECONDS)
LT1178/LT1179 • TPC09
LT1178/LT1179 • TPC07
LT1178/LT1179 • TPC08
Voltage Gain vs Frequency
Gain, Phase vs Frequency
Voltage Gain vs Load Resistance
10M
30
20
140
120
100
80
80
T
= 25°C
T
= 25°C
A
A
NO LOAD
100
120
140
160
180
200
220
240
V
= ±15V, T = 25°C
S
S
A
PHASE
±15V
1M
100k
10k
10
V
= ±15V
60
S
PHASE
5V, 0V
V
= 5V, 0V, T = 25°C
A
40
V
= 5V, 0V
S
V
= 5V, 0V, T = 85°C
GAIN
5V, 0V
S
A
0
20
GAIN
±15V
0
–10
–20
10 100
0.001 0.01 0.1
1
1k 10k 100k 1M
10k
100k
1M
10k
100k
1M
10M
FREQUENCY (Hz)
LOAD RESISTANCE TO GROUND (Ω)
FREQUENCY (Hz)
LT1178/LT1179 • TPC10
LT1178/LT1179 • TPC11
LT1178/LT1179 • TPC12
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Linear Systems [ Linear Systems ]
