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參數(shù)資料
| 型號(hào)： | LM1868 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Radio System |
| 中文描述： | 無(wú)線電系統(tǒng) |
| 文件頁(yè)數(shù)： | 2/10頁(yè) |
| 文件大?。?/td> | 251K |
| 代理商： | LM1868 |
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)
15V
Package Dissipation
Above T
A
e
25
§
C, Derate Based on
T
J(MAX)
e
150
§
C and
i
JA
e
60
§
C/W
2.0W
Storage Temperature Range
b
55
§
C to
a
150
§
C
0
§
C to
a
70
§
C
Operating Temperature Range
Lead Temperature (Soldering, 10 sec.)
260
§
C
Electrical Characteristics
Test Circuit, T
A
e
25
§
C, V
S
e
9V, R
L
e
8
X
(unless otherwise noted)
Parameter
Conditions
Min
Typ
Max
Units
STATIC CHARACTERISTICS
e
AM
e
0, e
FM
e
0
Supply Current
AM Mode, S1 in Position 1
22
30
mA
Regulator Output Voltage (Pin 16)
3.5
3.9
4.8
V
Operating Voltage Range
4.5
15
DYNAMIC CHARACTERISTICSDAM MODE
f
AM
e
1 MHz, f
mod
e
1 kHz, 30% Modulation, S1 in Position 1, P
O
e
50 mW unless noted
Measure e
AM
for P
O
e
50 mW,
Maximum Volume
Maximum Sensitivity
8
16
m
V
Signal-to-Noise
e
AM
e
10 mV
e
AM
e
1 mV
Measure at Top of Volume Control
40
50
dB
Detector Output
40
60
85
mV
Overload Distortion
e
AM
e
50 mV, 80% Modulation
e
AM
e
10 mV
2
10
%
Total Harmonic Distortion (THD)
1.1
2
%
DYNAMIC CHARACTERISTICSDFM MODE
f
FM
e
10.7 MHz, f
mod
e
400 Hz,
D
f
e
g
75 kHz, P
O
e
50 mW, S1 in Position 1
b
3 dB Limiting Sensitivity
15
45
m
V
Signal-to-Noise Ratio
e
FM
e
10 mV
e
FM
e
10 mV,
D
f
e
g
22.5 kHz
Measure at Top of Volume Control
50
64
dB
Detector Output
40
60
85
mV
AM Rejection
e
FM
e
10 mV, 30% AM Modulation
e
FM
e
10 mV
40
50
dB
Total Harmonic Distortion (THD)
1.1
2
%
DYNAMIC CHARACTERISTICSDAUDIO AMPLIFIER ONLY
f
e
1 kHz, e
AM
e
0, e
FM
e
0, S1 in Position 2
THD
e
10%, R
L
8
X
V
S
e
6V
V
S
e
9V
AM Mode, P
O
e
50 mW
FM Mode, P
O
e
50 mW
P
O
e
50 mW, FM Mode
Power Output
250
500
325
700
mW
mW
Bandwidth
11
22
kHz
kHz
Total Harmonic Distortion (THD)
0.2
%
Voltage Gain
41
dB
Typical Performance Characteristics
(Test Circuit) All curves are measured at audio output
vs Voltage
Quiescent Supply Current
FM Limiting Characteristics
FM IF AM Rejection
TL/H/7909–2
2
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM1868N | Radio System |
| LM1870 | STEREO DEMODULATOR WITH BLEND |
| LM1871 | RC Encoder/Transmitter |
| LM1871N | RC Encoder/Transmitter |
| LM1872 | Radio Control Receiver/Decoder |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM1868N | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Radio System |
| LM1868N/A+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:AM/FM Receiver Circuit |
| LM1868N/B+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:AM/FM Receiver Circuit |
| LM1870 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:STEREO DEMODULATOR WITH BLEND |
| LM1870M | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:FM Receiver Circuit |
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