LT1884 Просмотр технического описания (PDF) - Linear Technology
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LT1884 Datasheet PDF : 12 Pages
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LT1884/LT1885
ELECTRICAL CHARACTERISTICS
The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
Single supply operation VEE = 0, VCC = 5V; VCM = VCC/2 unless otherwise noted. (Note 5)
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
∆VOS
Offset Voltage Match (LT1884A)
0°C < TA < 70°C
– 40°C < TA < 85°C
30
70
µV
q
125
µV
q
160
µV
Offset Voltage Match (LT1884/LT1885)
(Note 7)
0°C < TA < 70°C
– 40°C < TA < 85°C
35
125
µV
q
195
µV
q
235
µV
Offset Voltage Match Drift
(Notes 6, 7)
q
0.4
1.2
µV/°C
∆IB+
Noninverting Bias Current Match
(LT1884A)
Noninverting Bias Current Match
(LT1884/LT1885)
0°C < TA < 70°C
– 40°C < TA < 85°C
(Notes 7, 9)
0°C < TA < 70°C
– 40°C < TA < 85°C
200
600
pA
q
700
pA
q
850
pA
250
1200
pA
q
1600
pA
q
1900
pA
∆CMRR Common Mode Rejection Match
(Notes 7, 9)
q
104
125
dB
∆PSRR
Positive Power Supply Rejection Match VEE = 0, VCM = 1.5V
(Notes 7, 9)
0°C < TA < 85°C, 2.7V < VCC < 32V
q
104
126
dB
TA = – 40°C, 3V < VCC < 32V
104
126
dB
The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
Split supply operation VS = ±15V; VCM = 0V unless otherwise noted. (Note 5)
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VOS
IOS
IB
en
in
VCM
CMRR
Input Offset Voltage (LT1884A)
Input Offset Voltage (LT1884/LT1885)
Input Offset Voltage Drift (Note 6)
Input Offset Current (LT1884A)
Input Offset Current (LT1884/LT1885)
Input Bias Current (LT1884A)
Input Bias Current (LT1884/LT1885)
Input Noise Voltage
Input Noise Voltage Density
Input Noise Current Density
Input Voltage Range
Common Mode Rejection Ratio
0°C < TA < 70°C
– 40°C < TA < 85°C
0°C < TA < 70°C
– 40°C < TA < 85°C
0°C < TA < 70°C
– 40°C < TA < 85°C
0°C < TA < 70°C
– 40°C < TA < 85°C
0°C < TA < 70°C
– 40°C < TA < 85°C
0°C < TA < 70°C
– 40°C < TA < 85°C
0°C < TA < 70°C
– 40°C < TA < 85°C
0.1Hz to 10Hz
f = 1kHz
f = 1kHz
–13.5V < VCM < 13.5V
25
50
µV
q
85
µV
q
110
µV
30
80
µV
q
125
µV
q
150
µV
q
0.3
0.8
µV/°C
q
0.3
0.8
µV/°C
150
300
pA
q
400
pA
q
500
pA
150
900
pA
q
1200
pA
q
1400
pA
150
400
pA
q
500
pA
q
600
pA
150
900
pA
q
1200
pA
q
1400
pA
0.4
µVP-P
9.5
nV/√Hz
0.05
pA/√Hz
VEE + 1.0
q VEE + 1.2
VCC – 1.0
V
VCC – 1.2
V
q
114
130
dB
4
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