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參數(shù)資料
| 型號： | LM1872N |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 消費家電 |
| 英文描述： | Radio Control Receiver/Decoder |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP18 |
| 封裝： | PLASTIC, DIP-18 |
| 文件頁數(shù)： | 2/19頁 |
| 文件大?。?/td> | 371K |
| 代理商： | LM1872N |
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales
Office/Distributors for availability and specifications.
Supply Voltage
7V
Package Dissipation (Note 2)
Voltage
@
Pin 7, 8, 9, 10, 11 or 12
1600 mW
V
a
Operating Temperature Range
b
25
§
C to
a
85
§
C
b
65
§
C to
a
150
§
C
Storage Temperature Range
Lead Temperature (Soldering, 10 sec.)
260
§
C
DC Electrical Characteristics
V
a
e
6V, T
A
e
25
§
C, Test Circuit of Figure 1, f
L0
e
49.890 MHz, f
IF
e
455 kHz unless otherwise specified
Parameter
Conditions
Min
Typ
Max
Units
Supply Voltage
Functional for V
IN
e
100
m
V
2.5
6
7
V
Supply Current
CH A & B Off
CH A & B On
9
13
18
mA
27
mA
V
BIAS
@
Pin 4
1.85
2.1
2.35
V
Sync Timer Threshold
@
Pin 13, Going from
Low to High Voltage
V
a
/2
b
0.4
V
a
/2
V
a
/2
a
0.3
V
DIGITAL CHANNELS A AND B
Saturation Voltage
@
Pins 7 & 9, R
L
e
100
X
0.4
0.7
V
Saturation Resistance
@
Pins 7 & 9
7
X
Source Current
@
Pins 8 & 10,
V
Pin 8 & Pin 10
s
1V
Pin 7 & Pin 9 to V
a
100
mA
Collector Pull-Up
Resistance
5
10
20
k
X
Emitter Pull-Down
Resistance
Pin 8 & Pin 10 to GND
5
10
20
k
X
ANALOG CHANNELS 1 AND 2
Saturation Voltage
@
Pins 11 & 12, R
L
e
2 k
X
0.45
0.7
V
Saturation Resistance
@
Pins 11 & 12
160
X
Collector Pull-Up
Resistance
Pin 11 & Pin 12 to V
a
5
10
20
k
X
AC Electrical Characteristics
Parameter
Conditions
Min
Typ
Max
Units
RF Sensitivity
For ‘‘Solid’’ Decoded Outputs
(Note 1)
22
39
m
V
RF Sensitivity
Circuit ofFigure 5
@
49 MHz
with Antenna Simulation
Network ofFigure 6
12
m
V
Voltage Gain
Pin 5 to Pin 15
58
dB
PSRR of RF Sensitivity
3V
s
V
a
s
6V
b
1
%
D
/V
BW
3 dB Down
@
Pin 15
3.2
kHz
Noise
Referred to Input, Pin 5, V
IN
e
0
Referred to IF, Pin 15, V
IN
e
0
0.35
m
Vrms
0.28
mVrms
AGC Threshold
Onset of AGC Relative to
RF Input, V
IN
,
@
Pin 5
Relative to IF Output
@
Pin 15
88
m
V
V
a
a
0.07
V
a
a
0.100
V
a
a
0.13
V
Mixer Conversion
Transconductance
From Pin 5 to Pin 18
@
1 MHz
2.9
4.0
6.9
mmhos
@
27 MHz
3.7
mmhos
@
49 MHz
3.5
mmhos
2
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相關代理商/技術參數(shù) |
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| LM1872N/A+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Remote-Control Receiver/Decoder |
| LM1872N/B+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Remote-Control Receiver/Decoder |
| LM1875 | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:20W AUDIO POWER AMPLIFIER |
| LM1875_05 | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:20W AUDIO POWER AMPLIFIER |
| LM1875L-TA5-T | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:20W AUDIO POWER AMPLIFIER |
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