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LM1815M Folha de dados(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Nome de Peças LM1815M
Descrição Electrónicos  Adaptive Variable Reluctance Sensor Amplifier
PDF  6 Pages
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Fabricante Electrônico  NSC [National Semiconductor (TI)]
Página de início  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM1815M Folha de dados(HTML) 2 Page - National Semiconductor (TI)

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Absolute Maximum Ratings
If MilitaryAerospace specified devices are required
please contact the National Semiconductor Sales
OfficeDistributors for availability and specifications
Supply Voltage
12V
Power Dissipation (Note 1)
1250 mW
Operating Temperature Range
b
40 Cto a125 C
Storage Temperature Range
b
65 Cto a150 C
Junction Temperature (Note 2)
a
125 C
Input Current
g
30 mA
Lead Temperature (Soldering 10 sec)
260 C
Electrical Characteristics (TA e 25 C VCC e 10V unless otherwise specified seeFigure 1 )
Parameter
Conditions
Min
Typ
Max
Units
Operating Supply Voltage
25
10
12
V
Supply Current
fIN e 500 Hz Pin 9 e 2V
36
6
mA
Pin 11 e 08V
Reference Pulse Width
fIN e 1 Hz to 2 kHz
70
100
130
m
s
Input Bias Current
VIN e 2V (Pin 9 and Pin 11)
5
m
A
Input Bias Current
VIN e 0V dc (Pin 3)
200
nA
Input Impedance
VIN e 5 Vrms (Note 3)
12
20
28
kX
Zero Crossing Threshold
VIN e 100 mVp-p (Pin 3)
25
mV
Logic Threshold
(Pin 9 and Pin 11)
08
11
20
V
VOUT High
RL e 1kX (Pin 10)
75
86
V
VOUT Low
ISINK e 01 mA (Pin 10)
03
04
V
Input Arming Threshold
Pin 5 Open VIN s 135 mVp-p
30
45
60
mV
Pin 5 Open VIN t 230 mVp-p
40
80
90
% of V3 Pk
Pin5toVa
200
mV
Pin 5 to Gnd
b
25
25
mV
Output Leakage Pin 12
V12 e 11V
001
10
m
A
Saturation Voltage P12
I12 e 2 mA
02
04
V
Note 1
For operation at elevated temperatures the device must be derated based on a 125 C maximum junction temperature and a thermal resistance of 80 CW
(DIP) 120 CW (SO-14) junction to ambient
Note 2
Temporary excursions to 150 C can be tolerated
Note 3
Measured at input to external 18 kX resistor IC contains 1 kX in series with a diode to attenuate the input signal
TLH7893 – 2
FIGURE 1 LM1815 Adaptive Sense Amplifier
2



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