LT2178 Просмотр технического описания (PDF) - Linear Technology
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LT2178 Datasheet PDF : 12 Pages
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LT2178/LT 2179
ABSOLUTE MAXIMUM RATINGS
Supply Voltage ...................................................... ±22V
Differential Input Voltage ....................................... ±30V
Input Voltage ............... Equal to Positive Supply Voltage
............ 5V Below Negative Supply Voltage
Output Short-Circuit Duration .......................... Indefinite
Specified Temperature Range
Commercial ............................................. 0°C to 70°C
Industrial ............................................ – 40°C to 85°C
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
PACKAGE/ORDER INFORMATION
TOP VIEW
OUT A 1
–IN A 2 –
A
+IN A 3 +
B
V– 4
8 V+
7 OUT B
6 –IN B
5 +IN B
S8 PACKAGE
8-LEAD PLASTIC SO
TJMAX = 150°C, θJA = 190°C/ W
Consult factory for Military grade parts.
ORDER PART
NUMBER
LT2178ACS8
LT2178AIS8
LT2178CS8
LT2178IS8
PART MARKING
2178A 2178
2178AI 2178I
TOP VIEW
OUT A 1
–IN A 2 –
A
+IN A 3 +
V+ 4
+IN B 5 +
–IN B 6 –B
OUT B 7
14 OUT D
13 –IN D
D
12 +IN D
11 V –
10 +IN C
C
9 –IN C
8 OUT C
S PACKAGE
14-LEAD PLASTIC SO
TJMAX = 150°C, θJA = 150°C/ W
ORDER PART
NUMBER
LT2179ACS
LT2179AIS
LT2179CS
LT2179IS
ELECTRICAL CHARACTERISTICS VS = 5V, 0V, VCM = 0.1V, VO = 1.4V, TA = 25°C, unless otherwise noted.
SYMBOL PARAMETER
VOS
Input Offset Voltage
CONDITIONS (NOTE 1)
LT2178
LT2179
LT2178AC/LT2178AI
LT2179AC/LT2179AI
MIN TYP MAX
30
70
35 100
LT2178C/LT2178I
LT2179C/LT2179I
MIN TYP MAX
40 120
40 150
UNITS
µV
µV
∆VOS
∆Time
IOS
IB
en
Long Term Input Offset
Voltage Stability
Input Offset Current
Input Bias Current
Input Noise Voltage
Input Noise Voltage Density
in
Input Noise Current
Input Noise Current Density
Input Resistance
Differential Mode
Common Mode
Input Voltage Range
0.1Hz to 10Hz (Note 2)
fO = 10Hz (Note 2)
fO = 1000Hz (Note 2)
0.1Hz to 10Hz (Note 2)
fO = 10Hz (Note 2)
fO = 1000Hz
(Note 3)
0.5
0.6
µV/Mo
0.05 0.25
3
5
0.9 2.0
50
75
49
65
1.5 2.5
0.03 0.07
0.01
0.05 0.35
nA
3
6
nA
0.9
µVP-P
50
nV√Hz
49
nV√Hz
1.5
pAP-P
0.03
pA√Hz
0.01
pA√Hz
0.8 2.0
0.6 2.0
GΩ
12
12
GΩ
3.5
3.9
3.5
3.9
V
0 – 0.3
0 – 0.3
V
CMRR
PSRR
Common Mode Rejection Ratio VCM = 0V to 3.5V
Power Supply Rejection Ratio VS = 2.2V to 12V
93 103
90 102
dB
94 104
92 104
dB
2
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