LT1884ACS8 查看數據表（PDF） - Linear Technology
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LT1884ACS8 Datasheet PDF : 12 Pages
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LT1884/LT1885
ELECTRICAL CHARACTERISTICS
Note 1: Absolute Maximum Ratings are those values beyond which the life
of the device may be impaired.
Note 2: The inputs are protected by back-to-back diodes. If the differential
input voltage exceeds 0.7V, the input current should be limited to less than
10mA.
Note 3: A heat sink may be required to keep the junction temperature
below absolute maximum.
Note 4: The LT1884C/LT1885C and LT1884I/LT1885I are guaranteed
functional over the operating temperature range of – 40°C to 85°C.
Note 5: The LT1884C/LT1885C are designed, characterized and expected
to meet specified performance from – 40°C to 85°C but are not tested or
QA sampled at these temperatures. LT1884I is guaranteed to meet
specified performance from – 40°C to 85°C.
Note 6: This parameter is not 100% tested.
Note 7: Matching parameters are the difference between amplifiers A and
B in the LT1884 and between amplifiers A and D and B and C in the
LT1885.
Note 8: This parameter is the difference between the two noninverting
input bias currents.
Note 9: ∆CMRR and ∆PSRR are defined as follows: CMRR and PSRR are
measured in µV/V on each amplifier. The difference is calculated in µV/V
and then converted to dB.
TYPICAL PERFOR A CE CHARACTERISTICS
Distribution of Offset Voltage Drift
24
VS = ±15V
20
16
12
8
4
0
–0.9 –0.7 –0.5 –0.3 –0.1 0.1 0.3 0.5 0.7 0.9
OFFSET VOLTAGE DRIFT (µV/°C)
18845 G01
VOUT vs ISOURCE
500
VS = ±15V
400
125°C
300
25°C
200
–55°C
100
0
10µA
100µA
1mA
ISOURCE
10mA
18845 G04
Input Offset Voltage
vs Temperature
200
TEMPCO: –55°C TO 125°C
150 10 REPRESENTATIVE UNITS
100
50
0
–50
–100
–150
–200
–50 –30 –10 10 30 50 70 90 110 125
TEMPERATURE (°C)
18845 G02
VOUT vs ISINK
500
VS = ±15V
400
300
200
125°C
25°C
100
0
10µA
–55°C
100µA
1mA
ISINK
10mA
18845 G03
Gain vs Frequency
140
120
VS = ±15V
100
80
60
40
20
0
–20
0.1 1 10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
18845 G05
Gain, Phase Shift vs Frequency
100
–80
90
–90
80
PHASE SHIFT
–100
70
–110
60
–120
50
–130
40
–140
30
–150
20
–160
10
GAIN
–170
0
–180
–10
–20
10k
100k
1M
10M
FREQUENCY (Hz)
18845 G06
6
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