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LM3820N Datasheet(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # LM3820N
Description  AM Radio System
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM3820N Datasheet(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
Power Dissipation (Note 1)
1200 mW
Supply Voltage
16V
Current into Supply Terminal (Pin 3)
35 mA
Operating Temperature Range
b
25 Cto a85 C
Storage Temperature Range
b
65 Cto a150 C
Lead Temperature (Soldering 10 sec)
260 C
Electrical Characteristics (Figure 1 TA e 25 C VS e 6V unless noted)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
IS
Supply Current
No RF Input
12
18
24
mA
VZ
Internal Zener Voltage
70
75
80
V
Input Sensitivity
f e 1 MHz 30% Mod 400 Hz
Measure RF Input Level for
15
35
70
m
V
10 mV Audio Output with
Tuning Peaked
Signal to Noise Ratio
f e 1 MHz 30% Mod 1 kHz
(S a N)N at Audio Output
22
28
dB
with 100 mV RF Input
Overload Distortion
f e 1 MHz 90% Mod 1 kHz
THD at Audio Output
6
10
%
with 30 mV RF Input
Note 1
Above TA e 25 C derate based on TJ(Max) e 150 C and iJA e 100 CW
Typical Applications
100 mV RF INPUT is equivalent to approx 1 mVmeter field strength See Applications Information for coil specifications
TLH7967 – 3
FIGURE 1 Capacitor-Tuned Test Fixture
2


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