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參數(shù)資料
| 型號： | 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)： | 3/24頁 |
| 文件大小： | 317K |
| 代理商： | TDA8741H-T |
October 1994
11
Philips Semiconductors
Product specication
Satellite sound circuit with noise reduction
TDA8741; TDA8741H
Secondary channels 1 and 2 - PLL FM demodulators
fCCO1
free running frequency PLL1
10.7
MHz
fCCO2
free running frequency PLL2
10.52
MHz
fOS1/2
lock range of PLLs
note 3
10
11.5
MHz
RS1,S2
series resistance for optimum
frequency response adjustment
0
0.68
2.2
k
VCDCL,CDCR(rms)
PLL output voltage pins 40 and
42 (36 and 38) (RMS value)
pins to be left open-circuit
9
mV
V
CDCL,CDCR
spread of PLL output voltage
over lock range
±1dB
Secondary channels - overall performance of LPF and NR (output selectors in position 1)
RO
output resistance for 75
s
de-emphasis pins 36 and 32 (32
and 28)
1.9
2.3
2.6
k
Ri
input resistance of output
ampliers pins 35 and 33
(31 and 29)
95
150
200
k
VOL,OR
output voltage level pins 25 and
24 (21 and 20)
note 4
8
6
4
dBV
UBS
unbalance voltage outputs
pins 25 and 24 (21 and 20)
note 4
1
+1
dB
THD
total harmonic distortion
note 4
0.1
0.5
%
S/N(A)
signal-to-noise ratio
A-weighted; note 4
72
80
dB
Ro
output resistance pins 25 and 24
(21 and 20)
note 4
92
125
150
MUTEatt
mute attenuation
output selector in
position 6; note 4
74
dB
αS/S
crosstalk attenuation between
secondary channels
note 5
74
dB
α
M/S
crosstalk attenuation from main
channel to secondary
note 6
74
dB
Voffset(DC)
DC offset voltage on
attack/recovery capacitors
pins 29, 39 (25, 35)
all PLLs locked;
f = 0
14
16
20
mV
SVRR
supply voltage ripple rejection
VRR = 100 mV; fi =70Hz
25
dB
Secondary channels - low-pass lter pins 38 and 30 (34 and 26)
50 kHz frequency response
with respect to 1 kHz
note 7
25
16
9dB
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
V
RECTL RECTR 50 kHz
()
,
V
RECTL RECTR 1 kHz
()
,
-----------------------------------------------------------
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相關代理商/技術參數(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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