LT1884 Просмотр технического описания (PDF) - Linear Technology
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LT1884 Datasheet PDF : 12 Pages
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TYPICAL PERFOR A CE CHARACTERISTICS
LT1884/LT1885
CMRR vs Frequency
140
130
120
110
100
90
80
70
60
50
40
30
20
10
0
1
10 100 1k 10k 100k 1M
FREQUENCY (Hz)
18845 G07
0.1Hz to 10Hz Noise
VS = ±15V
TA = 25°C
TIME (2s/DIV)
18845 G10
Settling Time to 0.01%
vs Output Step
10
VS = ±15V
8
6
AV = 1
AV = –1
4
2
0
–2
AV = 1
AV = –1
–4
–6
–8
–10
0 2 4 6 8 10 12 14 16 18 20
SETTLING TIME (µs)
18845 G13
PSRR vs Frequency
140
130
120
110
100
90
80
70
60
50
40
30
20
10
0
1
VS = ±15V
NEGATIVE SUPPLY
POSITIVE SUPPLY
10 100 1k 10k 100k 1M
FREQUENCY (Hz)
18845 G08
0.01Hz to 1Hz Noise
VS = ±15V
TA = 25°C
TIME (20s/DIV)
18845 G11
Supply Current per Amplifier
vs Supply Voltage
1.25
TA = 85°C
1.00
0.75
TA = 25°C
0.50
TA = –40°C
0.25
0
0 4 8 12 16 20 24 28 32 36 40
SUPPLY VOLTAGE (V)
18845 G14
Vn, In vs Frequency
1000
CURRENT NOISE
100
VOLTAGE NOISE
10
1
1
10
100
1000
FREQUENCY (Hz)
18845 G09
Slew Rate vs Temperature
1.4
RISING
1.2
VS = ±15V
RISING
1.0
VS = ±5V
0.8
FALLING
VS = ±15V
0.6
FALLING
VS = ±5V
0.4
–50 –30 –10 10 30 50 70
TEMPERATURE (°C)
90 110
18845 G12
Input Bias Current
vs Common Mode Voltage
1000 TA = 25°C
750
500
250
0
–250
IBIAS+
IBIAS–
–500
–750
–1000
–15
–10 –5 0
5 10 15
COMMON MODE VOLTAGE (V)
LTXXXX • TPCXX
7
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