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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)： | 4/24頁 |
| 文件大?。?/td> | 317K |
| 代理商： | TDA8741H-T |
October 1994
12
Philips Semiconductors
Product specication
Satellite sound circuit with noise reduction
TDA8741; TDA8741H
Secondary channels - noise reduction pins 25 and 24 (21 and 20); note 4
VOL,OR
output voltage at 0 dB noise
reduction input level
fS1 = fS2 = 50 kHz;
no xed de-emphasis
connected
1
+1
+3
dBV
15 kHz frequency response
with respect to 1 kHz at 0 dB
noise reduction input level
fS1 = fS2 = 50 kHz;
no xed de-emphasis
connected
2
0
+2
dB
VOL, OR
output voltage at
20 dB noise
reduction input level
fS1 = fS2 = 5 kHz;
no xed de-emphasis
connected
29
26
23
dBV
15 kHz frequency response
with respect to 1 kHz at
20 dB
noise reduction input level
f
S1 = fS2 = 5 kHz;
no xed de-emphasis
connected
13
11.5 10
dB
External inputs - pin 28 (24) (left) and pin 27 (23) (right) - overall performance (output selector in position 5)
VEXTR,EXTL
input signal level
6
dBV
Ri
input resistance
95
150
200
k
VOL,OR
output level
VEXTR, EXTL = 6 dBV
6.5
6.0
5.5
dBV
THD
total harmonic distortion
VEXTR, EXTL = 6 dBV;
fi = 1 kHz
0.1
%
S/N(A)
signal-to-noise ratio
A-weighted;
VEXTR, EXTL = 6 dBV
80
dB
αL/R,αR/L
crosstalk
fi = 1 kHz
80
dB
Secondary channels PLLs disable [SCD pin 11 (6)]; pin 11 (6) left open-circuit = logic HIGH
VIL
LOW level input voltage
0
1.2
V
VIH
HIGH level input voltage
3.5
9V
Ri
input resistance
connected to VP
65
100
130
k
Output selector control circuit (see also Table 1) and main channel PLL lock-in select [MCS pin 7 (2)]; pins 15,
17, 26, 13 and 7 (10, 13, 22, 8 and 2) MOS inputs and should not be left open-circuit
VIL
LOW level input voltage limits
0
1.2
V
VIM
MID level input voltage limits for
MCS pin only
1.8
2.8
V
VIMF
MID level input voltage on MCS
pin if MCS pin is oating
VP must be 1.8 to 13.2 V
17
19
21
%VP
VIH
HIGH level input voltage limits
3.5
VP
V
RIL
low input resistance MCS pin to
ground
12
19
26
k
RIH
high input resistance MCS pin to
VP
52
80
108
k
IIL
LOW level input current
(not MCS pin)
VIL =0V
<1
A
IIH
HIGH level input current
(not MCS pin)
VIH =5V
<1
A
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
V
OL OR 15 kHz
()
,
V
OL OR 1 kHz
()
,
---------------------------------------
V
OL OR 15 kHz
()
,
V
OL OR 1 kHz
()
,
---------------------------------------
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| 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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