LT1881/LT1882
11
18812fb
Output Saturation Voltage
vs Load Current (Output Low)
Output Short-Circuit Current
vs Temperature
Output Voltage
vs Large Input Voltage
Open-Loop Gain vs Frequency
Open-Loop Gain and Phase
vs Frequency Channel Separation vs Frequency
Gain Bandwidth Product
vs Temperature Output Impedance vs Frequency PSRR vs Frequency
TYPICAL PERFORMANCE CHARACTERISTICS
SINKING LOAD CURRENT (mA)
OUTPUT SATURATION VOLTAGE (V)
0.001 0.1 1 10
18812 G27
0.01
10
1
0.1
0.01
V
S
= ±15V
V
OVERDRIVE
= 30mV
0.001
T
A
= –55°C
T
A
= –40°C
T
A
= 25°C
T
A
= 85°C
T
A
= 125°C
TEMPERATURE (°C)
OUTPUT SHORT-CIRCUIT CURRENT (mA)
18812 G28
60
56
52
48
44
40
36
32
28
24
20
16
12
8
4
0
–55 –35
–15 5 25 45 65 85 105 125
SINKING
SOURCING
A
V
= 1
V
S
= ±2.5V
V
IN
= ±5V
R
IN
= 10k
18812 G29
GND
GNDV
OUT
V
IN
FREQUENCY (Hz)
LOOP GAIN (dB)
18812 G30
140
130
120
110
100
90
80
70
60
50
40
30
20
10
0
–10
–20
0.1 1
10 100 1k 10k 100k 1M 10M100M
V
S
= ±15V
FREQUENCY (Hz)
1k
LOOP GAIN (dB)
70
60
50
40
30
20
10
0
–10
–20
–30
PHASE (DEG)
175
150
120
100
75
50
25
0
–25
–50
–100
100k10k 1M 10M
18812 G31
V
S
= ±5V
PHASE
LOOP GAIN
FREQUENCY (Hz)
CHANNEL SEPARATION (dB)
18812 G32
–20
–40
–60
–80
–100
–120
–140
10
100 1k 10k 100k 1M 10M 100M
V
S
= ±15V
A
V
= 10
TEMPERATURE (°C)
GAIN BANDWIDTH PRODUCT (kHz)
18812 G33
680
660
640
620
600
580
560
–55
–35 –15 5 4525 65 85 105 125
V
S
= ±15V
V
S
= ±2.5V
FREQUENCY (Hz)
100 1k 10k 100k
0.001
OUTPUT IMPEDANCE (Ω)
0.1
100
18812 G34
0.01
1
10
V
S
= ±2.5V
A
V
= 100
A
V
= 10
A
V
= 1
FREQUENCY (Hz)
1 10 100 1k 10k 100k 1M
PSSR (dB)
140
130
120
110
100
90
80
70
60
50
40
30
20
10
0
–10
18812 G35
–PSSR
V
S
= ±15V
+PSSR
