LT1178/LT1179
7
11789fb
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Input Bias and Offset Currents vs
Temperature Short-Circuit Current
Output Saturation vs Temperature
vs Sink Current
0.1Hz to 10Hz Noise Noise Spectrum0.01Hz to 10Hz Noise
TEMPERATURE (°C)
–50
100
75
50
25
–2.5
–3.0
–3.5
– 4.0
25 75
LT1178/LT1179 • TPC04
–25 0
50 100
INPUT BIAS
CURRENT (nA)
INPUT OFFSET
CURRENT (pA)
V
S
= 5V, 0V
I
OS
I
B
TEMPERATURE (°C)
1000
100
10
1
0.1
–50 25 75
–25 0
50 100
V
S
= 5V, 0V
I
SINK
= 1mA
I
SINK
= 100µA
I
SINK
= 1µA
NO LOAD
10k TO GROUND
2k TO GROUND
LT1178/LT1179 • TPC05
SATURATION VOLTAGE (mV)
TIME (SECONDS)
0
NOISE VOLTAGE (0.4µV/DIV)
LT1178/LT1179 • TPC07
426 12
810
V
S
= ±2.5V, T
A
= 25°C
CHANNEL A
CHANNEL B
TIME (SECONDS)
0
NOISE VOLTAGE (0.4µV/DIV)
LT1178/LT1179 • TPC08
4020 60 120
80 100
V
S
= ±2.5V, T
A
= 25°C
CHANNEL A
CHANNEL B
FREQUENCY (Hz)
30
VOLTAGE NOISE DENSITY (nV/√Hz)
CURRENT NOISE DENSITY (fA/√Hz)
100
1000
0.1 10 100 1k
LT1178/LT1179 • TPC09
10
1
300
V
S
= ± 2.5V
T
A
= 25°C
CURRENT
NOISE
VOLTAGE NOISE
1/f CORNER
0.5Hz
TIME FROM OUTPUT SHORT TO GROUND (MINUTES)
0
SHORT-CIRCUIT CURRENT (mA)
0
10
20
2
LT1178/LT1179 • TPC06
–10
–20
–30
1
SINKING SOURCING
V
S
= 5V, 0V
V
S
= ±15V
V
S
= ±2.5V
V
S
= ±2.5V
V
S
= ±15V
Voltage Gain vs Frequency Voltage Gain vs Load ResistanceGain, Phase vs Frequency
LT1178/LT1179 • TPC10
FREQUENCY (Hz)
0.001 0.01 0.1 1
VOLTAGE GAIN (dB)
60
80
100
100k
40
20
–20
10 100
1k 10k 1M
0
140
120
V
S
= 5V, 0V
V
S
= ±15V
T
A
= 25°C
FREQUENCY (Hz)
VOLTAGE GAIN (dB)
PHASE SHIFT (DEGREES)
10k 100k 1M
LT1178/LT1179 • TPC11
10
20
0
–10
30
160
140
120
180
200
240
220
80
100
T
A
= 25°C
NO LOAD
GAIN
±15V
GAIN
5V, 0V
PHASE
±15V
PHASE
5V, 0V
LOAD RESISTANCE TO GROUND (Ω)
VOLTAGE GAIN (V/V)
LT1178/LT1179 • TPC12
10k
10k 100k 1M 10M
100k
1M
10M
V
S
= ±15V, T
A
= 25°C
V
S
= 5V, 0V, T
A
= 85°C
V
S
= 5V, 0V, T
A
= 25°C
