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參數(shù)資料
| 型號： | TDA8740H |
| 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, PQFP44 |
| 封裝： | 10 X 10 X 1.75 MM, PLASTIC, QFP-44 |
| 文件頁數(shù)： | 11/24頁 |
| 文件大?。?/td> | 325K |
| 代理商： | TDA8740H |
October 1994
11
Philips Semiconductors
Product specification
Satellite sound circuit with noise reduction
TDA8740; TDA8740H
Secondary channels 1 and 2 - HF inputs pins 2, 4, 6, 8, 10, 12, 14 and 16 (1, 3, 5, 7, 9, 11, 40 and 42) and
limiters
V
IN1,IN2
V
I(rms)
R
i
input sensitivity (RMS value)
input signal level (RMS value)
input resistance
S/N(A) = 40 dB
260
0.8
330
1.5
200
380
mV
mV
Secondary channels 1 and 2 - PLL FM demodulators (input selector in position 1)
f
CCO1
f
CCO2
f
OS1/2
R
S1,S2
free running frequency PLL1
free running frequency PLL2
lock range of PLLs
series resistance for optimum
frequency response
adjustment
PLL output voltage pins 40
and 42 (36 and 38) (RMS
value)
spread of PLL output voltage
over lock range
6.0
0
7.0
7.2
0.22
8.5
1.0
MHz
MHz
MHz
k
note 3
V
CDCL,CDCR
(
rms
)
pins to be left open-circuit
7
mV
V
CDCL,CDCR
±
1
dB
Secondary channels - overall performance of LPF and NR (input and output selectors in position 1)
output resistance for 75
μ
s
de-emphasis pins 36 and 32
(32 and 28)
R
i
input resistance of output
amplifiers pins 35 and 33
(31 and 29)
V
OL,OR
output voltage level
pins 25 and 24 (21 and 20)
UBS
unbalance voltage outputs
pins 25 and 24 (21 and 20)
THD
total harmonic distortion
S/N(A)
signal-to-noise ratio
R
o
output resistance pins 25 and
24 (21 and 20)
MUTE
att
mute attenuation
R
o
1.9
2.3
2.6
k
95
150
200
k
note 4
8
6
4
dBV
note 4
1
+1
dBV
note 4
A-weighted; note 4
note 4
72
92
0.1
80
125
0.5
150
%
dB
output selector in
position 6; note 4
note 5
74
dB
α
S/S
crosstalk attenuation between
secondary channels
crosstalk attenuation from
main channel to secondary
DC offset voltage on
attack/recovery capacitors
pins 29, 39 (25, 35)
supply voltage ripple rejection
74
dB
α
M/S
note 6
74
dB
V
offset(DC)
all PLLs locked;
f = 0
14
16
20
mV
SVRR
V
RR
= 100 mV; f
i
= 70 Hz
25
dB
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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相關代理商/技術參數(shù) |
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| TDA8740NB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:TV/Video Sound Circuit |
| TDA8741 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Satellite sound circuit with noise reduction |
| 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 |
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