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LMP8640 Arkusz danych(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Numer części LMP8640
Szczegółowy opis  Precision High Voltage Current Sense Amplifier
PDF  16 Pages
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Producent  NSC [National Semiconductor (TI)]
Strona internetowa  http://www.national.com
Logo NSC - National Semiconductor (TI)

LMP8640 Arkusz danych(HTML) 3 Page - National Semiconductor (TI)

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Symbol
Parameter
Condition
Min
(Note 6)
Typ
(Note 5)
Max
(Note 6)
Units
R
IN
Differential Mode Input Impedance
(Note 9)
5
k
Ω
I
S
Supply Current
V
CM = 2.1V
420
600
800
µA
V
CM = −2V
2000
2500
2750
V
OUT
Maximum Output Voltage
V
CM = 2.1V
2.65
V
Minimum Output Voltage
LMP8640-T LMP8640HV-T
V
CM = 2.1V
18.2
mV
LMP8640-F LMP8640HV-F
V
CM = 2.1V
40
LMP8640-H LMP8640HV-H
V
CM = 2.1V
80
C
LOAD
Max Output Capacitance Load
(Note 9)
30
pF
5V Electrical Characteristics (Note 4)
Unless otherwise specified, all limits guaranteed for at T
A = 25°C, VS=V
+ – V-, V
SENSE= +IN-(-IN), V
+ = 5V, V− = 0V, −2V < V
CM <
76V, R
L = 10MΩ. Boldface limits apply at the temperature extremes.
Symbol
Parameter
Condition
Min
(Note 6)
Typ
(Note 5)
Max
(Note 6)
Units
V
OS
Input Offset Voltage
V
CM = 2.1V
-900
-1160
900
1160
µV
TCV
OS
Input Offset Voltage Drift
(Note 7, Note 9)
V
CM = 2.1V
2.6
μV/°C
I
B
Input Bias Current (Note 10)
V
CM = 2.1V
13
21
28
μA
e
ni
Input Voltage Noise (Note 9)
f > 10 kHz
117
nV/
Gain A
V
Fixed Gain LMP8640-T
LMP8640HV-T
20
V/V
Fixed Gain LMP8640-F
LMP8640HV-F
50
V/V
Fixed Gain LMP8640-H
LMP8640HV-H
100
V/V
Gain error
V
CM = 2.1V
-0.25
-0.51
0.25
0.51
%
Accuracy over temperature
(Note 9)
−40°C to 125°C, V
CM=2.1V
26.2
ppm/°C
PSRR
Power Supply Rejection Ratio
V
CM = 2.1V, 2.7V < V
+ < 12V,
85
dB
CMRR
Common Mode Rejection Ratio
LMP8640HV 2.1V < V
CM < 42V
LMP8640 2.1V < V
CM< 42V
103
dB
LMP8640HV 2.1V < V
CM < 76V
95
-2V <V
CM < 2V,
60
BW
Fixed Gain LMP8640-T
LMP8640HV-T (Note 9)
DC V
SENSE = 67.5 mV,
C
L = 30 pF ,RL= 1MΩ
950
kHz
Fixed Gain LMP8640-F
LMP8640HV-F(Note 9)
DC V
SENSE =27 mV,
C
L = 30 pF ,RL= 1MΩ
450
Fixed Gain LMP8640-H
LMP8640HV-H(Note 9)
DC V
SENSE = 13.5 mV,
C
L = 30 pF ,RL= 1MΩ
230
3
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