LM1868N National Semiconductor, LM1868N Datasheet - Page 2

• Manufacturer Part Number: LM1868N
• Description: AM/FM RADIO SYSTEM
• Manufacturer: National Semiconductor

Specifications of LM1868N

• Function: AM, FM, Tuner
• Package / Case: 20-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: *LM1868N; LM1868

STATIC CHARACTERISTICS e
DYNAMIC CHARACTERISTICS AM MODE
f
DYNAMIC CHARACTERISTICS FM MODE f
DYNAMIC CHARACTERISTICS AUDIO AMPLIFIER ONLY f
AM
Absolute Maximum Ratings
If Military Aerospace specified devices are required
please contact the National Semiconductor Sales
Office Distributors for availability and specifications
Supply Voltage (Pin 19)
Package Dissipation
Electrical Characteristics
Typical Performance Characteristics
Supply Current
Regulator Output Voltage (Pin 16)
Operating Voltage Range
Maximum Sensitivity
Signal-to-Noise
Detector Output
Overload Distortion
Total Harmonic Distortion (THD)
b
Signal-to-Noise Ratio
Detector Output
AM Rejection
Total Harmonic Distortion (THD)
Power Output
Bandwidth
Total Harmonic Distortion (THD)
Voltage Gain
e
Above T
T
3 dB Limiting Sensitivity
J(MAX)
1 MHz f
A
e
Parameter
mod
e
150 C and
Quiescent Supply Current
vs Voltage
25 C Derate Based on
e
1 kHz 30% Modulation S1 in Position 1 P
JA
AM
e
60 C W
e
0 e
FM
AM Mode S1 in Position 1
Measure e
Maximum Volume
e
e
Measure at Top of Volume Control
e
e
e
e
Measure at Top of Volume Control
e
e
THD
V
V
AM Mode P
FM Mode P
P
e
Test Circuit T
AM
AM
AM
AM
FM
FM
FM
FM
FM
S
S
O
0
e
e
e
e
e
e
e
e
e
e
e
e
e
6V
9V
50 mW FM Mode
10 mV
1 mV
50 mV 80% Modulation
10 mV
10 mV
10 mV
10 mV 30% AM Modulation
10 mV
10 7 MHz f
10% R
AM
FM Limiting Characteristics
Conditions
O
O
2 0W
15V
for P
e
e
A
L
f
e
50 mW
8
50 mW
e
e
O
mod
25 C V
O
(Test Circuit) All curves are measured at audio output
e
2
g
1 kHz e
e
22 5 kHz
e
50 mW
50 mW unless noted
Storage Temperature Range
Operating Temperature Range
Lead Temperature (Soldering 10 sec )
400 Hz
S
e
AM
9V R
e
0 e
f
L
e
e
FM
g
8
75 kHz P
e
Min
250
500
3 5
4 5
40
40
50
40
40
8
(unless otherwise noted)
0 S1 in Position 2
FM IF AM Rejection
O
e
Typ
325
700
3 9
1 1
1 1
0 2
22
50
60
15
64
60
50
11
22
41
2
50 mW S1 in Position 1
b
Max
4 8
30
15
16
85
10
45
85
2
2
55 C to
0 C to
TL H 7909 – 2
a
a
Units
150 C
260 C
mW
mW
kHz
kHz
mA
mV
mV
dB
dB
dB
dB
70 C
%
%
%
%
V
V
V