LT1789CS8-10-PBF 查看數據表（PDF） - Linear Technology
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LT1789CS8-10-PBF
Linear Technology
LT1789CS8-10-PBF Datasheet PDF : 24 Pages
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LT1789-1/LT1789-10
TYPICAL PERFORMANCE CHARACTERISTICS (LT1789-1)
Output Voltage Swing
vs Load Current
5.0
4.8
125°C
4.6
SOURCE
4.4
–55°C
1.6
25°C
1.4
4.2
4.0
VS = 5V, 0V
VREF = 2.5V
1.2
1.0
125°C
0.8
25°C
0.6
SINK
0.4
–55°C 0.2
0
0.001
0.01
0.1
1
10
OUTPUT CURRENT (mA)
1789 G04
Common Mode Rejection Ratio
vs Frequency
120
VS = 5V, 0V
110
VREF = 2.5V
100 G = 10
90 G = 1
G = 100, 1000
80
70
60
50
40
10
100
1k
FREQUENCY (Hz)
10k 20k
1879 G07
Output Impedance vs Frequency
10k
VS = 5V, 0V
VREF = 2.5V
1k
100
10
1
100
1k
10k
FREQUENCY (Hz)
100k
1789 G10
10
Gain vs Frequency
80
70
G = 1000
60
VS = 5V, 0V
VREF = 2.5V
50
G = 100
40
30
G = 10
20
10
G=1
0
–10
–20
100
1k
10k
FREQUENCY (Hz)
100k
1789 G05
Slew Rate vs Temperature
0.050
0.045
0.040
VS = 5V, 0V
VREF = 2.5V
G=1
RL = 20k
0.035
0.030
RISING
0.025
0.020
FALLING
0.015
0.010
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1789 G06
Negative Power Supply Rejection
Ratio vs Frequency
140
VS = 5V, 0V
120
VREF = 2.5V
G = 1000 INPUT REFERRED
G = 100
100
G = 10
80 G = 1
60
40
20
0
10
100
1k
10k 20k
FREQUENCY (Hz)
1789 G08
Positive Power Supply Rejection
Ratio vs Frequency
140
120 G = 100, 1000
G = 10
100
G=1
VS = 5V, 0V
VREF = 2.5V
INPUT REFERRED
80
60
40
20
0
10
100
1k
10k 20k
FREQUENCY (Hz)
1789 G09
Overshoot vs Capacitive Load
100
VS = 5V, 0V
90 VREF = 2.5V
80 VOUT = 100mVP-P
70
60
50
40
30
AV = 1
20
AV = 10
10
0
AV ≥ 100
1
10
100
1000
CAPACITIVE LOAD (pF)
1789 G11
Settling Time to 0.01% vs
Output Step
10
VS = ±15V
8 RL = 20k
G=1
6
4
2
0
–2
–4
–6
–8
–10
0
100 200 300 400 500
SETTLING TIME (μs)
1789 G12
1789fc
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