LT1189CS8 查看數據表（PDF） - Linear Technology
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LT1189CS8 Datasheet PDF : 12 Pages
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LT1189
TYPICAL PERFOR A CE CHARACTERISTICS
Gain, Phase vs Frequency
100
100
VS = ±5V
80
PHASE
TA = 25°C
RL = 1k
80
60
60
GAIN
40
40
20
20
0
0
– 20
100k
1M
10M
FREQUENCY (Hz)
–20
100M
LT1189 • TPC11
Gain Bandwidth Product and
Phase Margin vs Temperature
250
85
VS = ±5V
RL = 1k
AV = 20dB
200 GAIN BANDWIDTH
75
PRODUCT
150
65
PHASE MARGIN
100
–50 –25
0 25 50 75
TEMPERATURE (°C)
55
100 125
LT1189 • TPC13
Power Supply Rejection Ratio vs
Frequency
80
VS = ±5V
TA = 25°C
60
VRIPPLE = ±300mV
40
+PSRR
–PSRR
20
0
–20
1k
10k 100k 1M 10M 100M
FREQUENCY (Hz)
LT1189 • TPC16
Open-Loop Voltage Gain vs
Load Resistance
30
VS = ±5V
VO = ±3V
TA = 25°C
20
10
Gain Bandwidth Product vs
Supply Voltage
250
AV = 20dB
TA = –55°C
200
TA = 25°C
TA = 125°C
150
0
100
1k
10k
LOAD RESISTANCE (Ω)
LT1189• TPC10
Output Impedance vs Frequency
100
VS = ±5V
TA = 25°C
AV = 10
10
100
0
2
4
6
8
10
±SUPPLY VOLTAGE (V)
LT1189 • TPC12
Common-Mode Rejection Ratio
vs Frequency
90
VS = ±5V
80
TA = 25°C
RL = 1k
70
60
1
50
40
0.1
1k
10k 100k 1M 10M 100M
FREQUENCY (Hz)
LT1189 • TPC14
30
100k
1M
10M
FREQUENCY (Hz)
100M
LT1189 • TPC15
Output Short Circuit Current vs
Temperature
36
VS = ± 5V
35
34
33
32
31
30
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
LT1189 • TPC17
V+ ± Output Swing vs Supply Voltage
– 0.7
– 0.8
– 0.9
–1.0
–1.1 RL = 1k
0.5 ±1.8V ≤ VS ≤ ±9V
125°C
25°C
– 55°C
125°C
0.4
0.3
0.2
0.1
V– 0
25°C
– 55°C
2
4
6
8
10
±SUPPLY VOLTAGE (V)
LT1189 • TPC18
6
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