LT1178/LT1179
TYPICAL PERFOR A CE CHARACTERISTICS
Input Bias and Offset Currents vs
Temperature
100
INPUT OFFSET
CURRENT (pA)
SHORT-CIRCUIT CURRENT (mA)
SINKING
SOURCING
V
S
= 5V, 0V
SATURATION VOLTAGE (mV)
75
50
25
–2.5
I
OS
INPUT BIAS
CURRENT (nA)
–3.0
–3.5
– 4.0
–50
I
B
–25
50
25
0
TEMPERATURE (°C)
0.1Hz to 10Hz Noise
V
S
=
±2.5V,
TA = 25°C
VOLTAGE NOISE DENSITY (nV/√Hz)
CURRENT NOISE DENSITY (fA/√Hz)
NOISE VOLTAGE (0.4µV/DIV)
NOISE VOLTAGE (0.4µV/DIV)
CHANNEL A
CHANNEL B
0
2
8
4
6
TIME (SECONDS)
10
12
Voltage Gain vs Frequency
140
120
T
A
= 25°C
30
VOLTAGE GAIN (V/V)
VOLTAGE GAIN (dB)
VOLTAGE GAIN (dB)
100
80
60
40
20
0
–20
0.001 0.01 0.1
1 10 100 1k 10k 100k 1M
FREQUENCY (Hz)
LT1178/LT1179 • TPC10
V
S
=
±15V
V
S
= 5V, 0V
U W
75
Output Saturation vs Temperature
vs Sink Current
1000
V
S
= 5V, 0V
Short-Circuit Current
20
V
S
= 5V, 0V
V
S
=
±15V
I
SINK
= 1mA
I
SINK
= 100µA
100
I
SINK
= 1µA
10
NO LOAD
10k TO GROUND
1
2k TO GROUND
0.1
–50
10
V
S
=
±2.5V
0
V
S
=
±2.5V
– 10
– 20
V
S
=
±15V
100
–25
50
25
0
TEMPERATURE (°C)
75
100
– 30
2
0
1
TIME FROM OUTPUT SHORT TO GROUND (MINUTES)
LT1178/LT1179 • TPC06
LT1178/LT1179 • TPC04
LT1178/LT1179 • TPC05
0.01Hz to 10Hz Noise
V
S
=
±2.5V,
TA = 25°C
1000
Noise Spectrum
V
S
=
±
2.5V
T
A
= 25°C
300
CURRENT
NOISE
100
VOLTAGE NOISE
30
1/f CORNER
0.5Hz
CHANNEL A
CHANNEL B
0
20
80
40
60
TIME (SECONDS)
100
120
10
0.1
1
10
100
FREQUENCY (Hz)
1k
LT1178/LT1179 • TPC07
LT1178/LT1179 • TPC08
LT1178/LT1179 • TPC09
Gain, Phase vs Frequency
80
T
A
= 25°C
NO LOAD
100
PHASE
±15V
120
140
10
PHASE
5V, 0V
GAIN
5V, 0V
GAIN
±15V
– 10
10k
100k
FREQUENCY (Hz)
160
180
200
220
240
1M
LT1178/LT1179 • TPC11
Voltage Gain vs Load Resistance
10M
V
S
=
±15V,
T
A
= 25°C
PHASE SHIFT (DEGREES)
20
1M
100k
V
S
= 5V, 0V, T
A
= 25°C
V
S
= 5V, 0V, T
A
= 85°C
0
10k
10k
100k
1M
LOAD RESISTANCE TO GROUND (Ω)
10M
LT1178/LT1179 • TPC12
11789fb
7
LINEAR [ LINEAR INTEGRATED SYSTEMS ]
