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LT1797IS5 查看數據表(PDF) - Linear Technology

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LT1797IS5 Datasheet PDF : 14 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
TYPICAL PERFORMANCE CHARACTERISTICS
LT1797
Open-Loop Gain
VS = ±5V
RL = 50k
RL = 10k
RL = 2k
–5 –4 –3 –2 –1 0 1 2 3 4 5
OUTPUT VOLTAGE (V)
1797 G19
Undistorted Output Swing
vs Frequency
12
11 AV = 1
10
VS = ±5V
9
8
7
6
5
4
3
VS = ±1.5V
2
1
0
100
1k
10k
100k
FREQUENCY (Hz)
1M
1797 G22
Settling Time
to 0.1% vs Output Step
4
VS = ±5V
3
AV = 1
2
AV = –1
1
0
–1
–2
AV = 1
–3
AV = –1
–4
1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0
SETTLING TIME (μs)
1797 G20
Total Harmonic Distortion + Noise
vs Frequency
1
RL = 10k
VS = 3V, 0V
VOUT = 1.8VP-P
0.1 VCM = 1V
0.01
AV = –1
0.001
AV = 1
0.0001
10
100
1k
10k
FREQUENCY (Hz)
100k
1797 G23
Total Harmonic Distortion + Noise
vs Output Voltage Amplitude
10
f = 1kHz
VCM = HALF SUPPLY
RL = 10k
1
AV = –1
VS = 3V, 0V
0.1
AV = 1
VS = ±1.5V
Large-Signal Response
Capacitive Load Handling
Overshoot vs Capacitive Load
50
VS = ±2.5V
45
40
35
30
25
20
AV = 1
AV = 2
15
10
AV = 5
5
AV = 10
0
10
100
1000
10000
CAPACITIVE LOAD (pF)
1797 G21
Total Harmonic Distortion + Noise
vs Load Resistance
10 VS = 3V TOTAL
AV = 1
f = 1kHz
1
0.1
VS = 3V, 0V
VIN = 1.8VP-P
VCM = 1.5V
0.01
VS = 3V, 0V
VIN = 1.8VP-P
VCM = 1V
0.001
0.1
1
10
100
LOAD RESISTANCE TO GROUND (kΩ)
1797 G24
Small-Signal Response
0.01
0.001
0
AV = 1
VS = 3V, 0V
AV = –1
VS = ±1.5V
1
2
OUTPUT VOLTAGE (VP-P)
3
1797 G25
VS = ±2.5V
AV = 1
1797 G26
VS = ±2.5V
AV = 1
RL = 10k
1797 G27
1797fb
7

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