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參數(shù)資料
| 型號： | TDA8741 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 接收器 |
| 英文描述： | satellite sound circuit with noise reduction |
| 中文描述： | FM, AUDIO DEMODULATOR, PDIP42 |
| 封裝： | 0.600 INCH, PLASTIC, SDIP-42 |
| 文件頁數(shù)： | 2/24頁 |
| 文件大?。?/td> | 436K |
| 代理商： | TDA8741 |
October 1994
2
Philips Semiconductors
Product specification
Satellite sound circuit with noise reduction
TDA8741; TDA8741H
FEATURES
Demodulation of main audio signal using wide band PLL
(lock range selectable)
Demodulation of secondary audio signals using wide
band PLL
Noise reduction of the secondary audio signals
Output selection: stereo, language 1, language 2, main
audio and external
Mute control
Line outputs (SCART level).
APPLICATIONS
Satellite receivers
TV sets
Video recorders.
GENERAL DESCRIPTION
The TDA8741; TDA8741H is a multi-function sound IC for
use in satellite receivers, television sets and video
recorders. The pin numbers given in parenthesis
throughout this document refer to the QFP44 package.
QUICK REFERENCE DATA
ORDERING INFORMATION
Note
1.
When using IR reflow soldering it is recommended that the Drypack instructions in the“Quality Reference Handbook”
(order number 9398 510 63011) are followed.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply
V
P
supply voltage
8
12
13.2
V
Main channel
V
IN3(rms)
f
OM
input sensitivity pin 18 (14) (RMS value)
lock range PLL demodulator
either
or
output voltage pin 23 (19)
signal-to-noise ratio
S/N(A) = 40 dB
1.0
2.0
mV
5.5
10.0
9
62
6
70
7.5
11.5
4
MHz
MHz
dBV
dB
V
OM
S/N(A)
A-weighted
Secondary channels
V
IN1,IN2(rms)
input sensitivity pins 8 and 16 (3 and 11) (RMS value) S/N(A) = 40 dB
f
OS1,2
lock range PLL demodulators
V
OR,OL
output voltage pins 24 and 25 (20 and 21)
S/N(A)
signal-to-noise ratio
10.0
8
72
0.8
6
80
1.5
11.5
4
mV
MHz
dBV
dB
A-weighted
Crosstalk
α
S/M
α
M/S
α
S/S
crosstalk from secondary to main channel
crosstalk from main to secondary channel
crosstalk between secondary channels
74
74
74
dB
dB
dB
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TDA8741
TDA8741H
SDIP42
QFP44
(1)
plastic shrink dual in-line package; 42 leads (600 mil)
plastic quad flat package; 44 leads (lead length 1.3 mm);
body 10
×
10
×
1.75 mm
SOT270-1
SOT307-2
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TDA8741H | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Satellite sound circuit with noise reduction |
| TDA8741HB-S | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:TV/Video Sound Circuit |
| TDA8741NB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:TV/Video Sound Circuit |
| TDA8742 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Satellite sound circuit with noise reduction |
| TDA8742H | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Satellite sound circuit with noise reduction |
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