LT1792 Ver la hoja de datos (PDF) - Linear Technology
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LT1792 Datasheet PDF : 12 Pages
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LT1792
TYPICAL PERFOR A CE CHARACTERISTICS
Gain and Phase Shift
vs Frequency
50
40
PHASE
30
80
TA = 25°C
VS = ±15V
CL = 10pF 100
120
Small-Signal Transient Response
Large-Signal Transient Response
20
140
GAIN
10
160
0
180
– 10
0.1
1
10
FREQUENCY (MHz)
200
100
1792 G09
Output Voltage Swing
vs Load Current
V+ – 0.8
–1.0
25°C
125°C
–1.2
–55°C
– 1.4
–1.6
VS = ±5V TO ±20V
2.0
1.8
125°C
1.6
1.4
1.2
–55°C
25°C
V– +1.0
–10 –8 –6 –4 –2 0 2 4 6 8 10
ISINK OUTPUT CURRENT (mA) ISOURCE
1792 G12
Warm-Up Drift
90
VS = ±15V
TA = 25°C
75
SO-8 PACKAGE
60
AV = 1
CL = 10pF
VS = ±15V, ±5V
1µs/DIV
1792 G10
Capacitive Load Handling
50
VS = ±15V
TA = 25°C
40
RL ≥ 10k
VO = 100mVP-P
AV = 10
RF = 10k
30 CF = 20pF
20
10
0
0.1
AV = 1
AV = 10
1
10 100 1000 10000
CAPACITIVE LOAD (pF)
1792 G13
THD and Noise vs Frequency for
Noninverting Gain
1
ZL = 2k 15pF
VO = 20VP-P
AV = 1, 10, 100
0.1 MEASUREMENT BANDWIDTH
= 10Hz TO 80kHz
AV = 1
CL = 10pF
RL = 2k
VS = ±15V
5µs/DIV
1792 G11
Slew Rate and Gain-Bandwidth
Product vs Temperature
6
12
VS = ± 15V
5
10
4
8
SR
3
6
GBWP
2
4
1
2
0
0
– 75 – 50 – 25 0 25 50 75 100 125
TEMPERATURE (°C)
1792 G14
THD and Noise vs Frequency for
Inverting Gain
1
ZL = 2k 15pF
VO = 20VP-P
AV = – 1, – 10, – 100
0.1 MEASUREMENT BANDWIDTH
= 10Hz TO 80kHz
45
N8 PACKAGE
30
15
0
0
1
2
3
4
56
TIME AFTER POWER ON (MINUTES)
1792 G15
0.01
0.001
0.0001
20
AV = 100
0.01
AV = 10
NOISE FLOOR
AV = 1
100
1k
FREQUENCY (Hz)
10k 20k
1792 G16
0.001
0.0001
20
AV = – 100
AV = – 10
AV = – 1
NOISE FLOOR
100
1k
FREQUENCY (Hz)
10k 20k
1792 G17
6
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