LT1219 Просмотр технического описания (PDF) - Linear Technology
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LT1219 Datasheet PDF : 16 Pages
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LT1218/LT1219
TYPICAL PERFORMANCE CHARACTERISTICS
LT1218 Power Supply Rejection
Ratio vs Frequency
100
90 VS = ±2.5V
80
70
60
POSITIVE SUPPLY
50
40
30
20
NEGATIVE SUPPLY
10
0
1
10
100
1000
FREQUENCY (kHz)
LT1218/19 • TPC17
LT1218 Capacitive Load Handling
80
VS = ±2.5V
70
60
50
AV = 1
40
30
AV = 5
20
10
0
10
AV = 10
100
1000 10000
CAPACITIVE LOAD (pF)
100000
LT1218/19 • TPC20
Open-Loop Gain, VS = ±15V
40
VS = ±15V
30
20
10
RL = 10k
0
RL = 2k
–10
–20
–30
–40
–20 –15 –10 –5 0 5 10 15 20
OUTPUT VOLTAGE (V)
LT1218/19 • TPC23
LT1218 Closed Loop Output
Impedance vs Frequency
1000
VS = ±2.5V
100
AV = 10
10
AV = 1
1.0
LT1219 Closed Loop Output
Impedance vs Frequency
1000
VS = ±2.5V
CL = 0.1µF
100
AV = 10
10
AV = 1
1.0
0.1
0.1
1
10
100
FREQUENCY (kHz)
1000
LT1218/19 • TPC18
LT1219 Overshoot vs Load
Current, VS = ± 2.5V
70
VS = ±2.5V
60 AV = 1
50
CL = 0.22µF
40
CL = 0.047µF
30
20
10
CL = 0.1µF
0
–10
–5
0
5
10
LOAD CURRENT (mA)
LT1218/19 • TPC21
Input Offset Drift vs Time
40
30
20
10
VS = ±15V
0
VS = ±2.5V
–10
–20
–30
–40
0 20 40 60 80 100 120 140 160 180 200
TIME AFTER POWER-UP (SEC)
LT1218/19 • TPC24
0.1
0.1
1
10
100
FREQUENCY (kHz)
1000
LT1218/19 • TPC19
LT1219 Overshoot vs Load
Current, VS = ±15V
70
VS = ±15V
60 AV = 1
CL = 0.22µF
50
40
CL = 0.047µF
30
20
10
0
–10
CL = 0.1µF
–5
0
5
10
LOAD CURRENT (mA)
LT1218/19 • TPC22
THD + Noise vs Frequency
1
VS = ±1.5V
VIN = 2VP-P
RL = 10k
0.1
AV = 1
0.01
AV = –1
0.001
0.01
0.1
1
FREQUENCY (kHz)
10
LT1218/19 • TPC25
10
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