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LMP8640 Datasheet(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part # LMP8640
Description  Precision High Voltage Current Sense Amplifier
Download  16 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LMP8640 Datasheet(HTML) 2 Page - National Semiconductor (TI)

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Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
ESD Tolerance (Note 2)
Human Body Model
For input pins +IN, -IN
5000V
For all other pins
2000V
Machine Model
200V
Charge device model
1250V
Supply Voltage (V
S = V
+ - V)
13.2V
Differential Voltage +IN- (-IN)
6V
Voltage at pins +IN, -IN
LMP8640HV
-6V to 80V
LMP8640
-6V to 60V
Voltage at V
OUT pin
V- to V+
Storage Temperature Range
-65°C to 150°C
Junction Temperature (Note 3)
150°C
For soldering specifications,
see product folder at www.national.com and
www.national.com/ms/MS/MS-SOLDERING.pdf
Operating Ratings (Note 1)
Supply Voltage (V
S = V
+ - V)
2.7V to 12V
Temperature Range (Note 3)
-40°C to 125°C
Package Thermal Resistance(Note 3)
TSOT-6
96°C/W
2.7V Electrical Characteristics (Note 4)
Unless otherwise specified, all limits guaranteed for at T
A = 25°C, VS=V
+ – V-, V
SENSE= +IN-(-IN), V
+ = 2.7V, 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
12
20
27
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
SR
Slew Rate (Note 8, Note 9)
V
CM =5V, CL = 30 pF, RL = 1MΩ,
LMP8640-T LMP8640HV-T V
SENSE =100mVpp,
LMP8640-F LMP8640HV-F V
SENSE =40mVpp,
LMP8640-H LMP8640HV-H V
SENSE =20mVpp,
1.4
V/µs
www.national.com
2


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