Datasheet

LT1881/LT1882
8
18812fb
TYPICAL PERFORMANCE CHARACTERISTICS
Supply Current per Amplifi er
vs Supply Voltage
Slew Rate vs Supply Voltage Slew Rate vs Temperature
Settling Time vs Output Step Settling Time vs Output Step
Gain Bandwidth Product
vs Supply Voltage
Phase Margin vs Supply Voltage Gain vs Frequency, A
V
= –1 Gain vs Frequency, A
V
= 1
TOTAL SUPPLY VOLTAGE (V)
SUPPLY CURRENT PER AMPLIFIER (μA)
18812 G01
1200
1000
800
600
400
200
0
125°C
25°C
–55°C
0 4 8 12 16 20 24 28 32 36
TOTAL SUPPLY VOLTAGE (V)
0
SLEW RATE (V/μs)
18812 G02
4 8 12 16 20 24 28 32 36
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
FALLING
RISING
A
V
= –1
TEMPERATURE (°C)
–50
SLEW RATE (V/μs)
18812 G03
–25 0 25 50 75 100 125 150
0.5
0.4
0.3
0.2
0.1
0
FALLING
RISING
V
S
= ±15V
A
V
= –1
V
S
= ±5V
V
S
= ±15V
V
S
= ±5V
SETTLING TIME (μs)
0
OUTPUT STEP (V)
18812 G04
5 10 15 20 25 30 35 40 45 50 55 60 65
10
8
6
4
2
0
–2
–4
–6
–8
–10
V
S
= ±15V
A
V
= –1
0.1% 0.01%
0.1% 0.01%
SETTLING TIME (μs)
0
OUTPUT STEP (V)
18812 G05
5 10 15 20 25 30 35 40 45 50 55 60 65
10
8
6
4
2
0
–2
–4
–6
–8
–10
V
S
= ±15V
A
V
= 1
0.1% 0.01%
0.1% 0.01%
TOTAL SUPPLY VOLTAGE (V)
0
GAIN BANDWIDTH PRODUCT (kHz)
18812 G06
4 8 12 16 20 24 28 32 36
900
850
800
750
700
650
600
–55°C
125°C
25°C
TOTAL SUPPLY VOLTAGE (V)
0
PHASE MARGIN (DEG)
18812 G07
4 8 12 16 20 24 28 32 36
60
58
56
54
52
50
48
46
125°C
–55°C
125°C
FREQUENCY (Hz)
1k
GAIN (dB)
10k 100k 1M 10M 100M
10
0
–10
–20
–30
–40
V
S
= ±15VV
S
= ±2.5V
18812 G08
FREQUENCY (Hz)
1k
GAIN (dB)
10k 100k 1M 10M 100M
10
0
–10
–20
–30
–40
V
S
= ±15VV
S
= ±2.5V
18812 G09