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參數(shù)資料
| 型號(hào)： | TDA8741H-T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 接收器 |
| 英文描述： | FM, AUDIO DEMODULATOR, PQFP44 |
| 文件頁數(shù)： | 12/24頁 |
| 文件大?。?/td> | 317K |
| 代理商： | TDA8741H-T |
October 1994
2
Philips Semiconductors
Product specication
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
VP
supply voltage
8
12
13.2
V
Main channel
VIN3(rms)
input sensitivity pin 18 (14) (RMS value)
S/N(A) = 40 dB
1.0
2.0
mV
fOM
lock range PLL demodulator
either
5.5
7.5
MHz
or
10.0
11.5
MHz
VOM
output voltage pin 23 (19)
9
6
4
dBV
S/N(A)
signal-to-noise ratio
A-weighted
62
70
dB
Secondary channels
VIN1,IN2(rms) input sensitivity pins 8 and 16 (3 and 11) (RMS value) S/N(A) = 40 dB
0.8
1.5
mV
fOS1,2
lock range PLL demodulators
10.0
11.5
MHz
VOR,OL
output voltage pins 24 and 25 (20 and 21)
8
6
4
dBV
S/N(A)
signal-to-noise ratio
A-weighted
72
80
dB
Crosstalk
α
S/M
crosstalk from secondary to main channel
74
dB
αM/S
crosstalk from main to secondary channel
74
dB
αS/S
crosstalk between secondary channels
74
dB
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TDA8741
SDIP42
plastic shrink dual in-line package; 42 leads (600 mil)
SOT270-1
TDA8741H
QFP44(1)
plastic quad at package; 44 leads (lead length 1.3 mm);
body 10
× 10 × 1.75 mm
SOT307-2
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TDA8742 | FM, AUDIO DEMODULATOR, PDIP42 |
| TDA8742H-T | FM, AUDIO DEMODULATOR, PQFP44 |
| TDA8745N | SPECIALTY CONSUMER CIRCUIT, PDIP42 |
| TDA8752H/8-T | 3-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP100 |
| TDA8752H/6-T | 3-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP100 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| TDA8745 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Satellite sound receiver with I2C-bus control |
| TDA8745H | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Satellite sound receiver with I2C-bus control |
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