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參數(shù)資料
| 型號： | TDA9870A |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | Digital TV Sound Processor DTVSP |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP64 |
| 封裝： | SHRINK, PLASTIC, DIP |
| 文件頁數(shù)： | 22/88頁 |
| 文件大?。?/td> | 362K |
| 代理商： | TDA9870A |
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1998 Aug 10
22
Philips Semiconductors
Product specification
Digital TV Sound Processor (DTVSP)
TDA9870A
O
UTPUTS
CMOS level output, 4 mA 3-state output stage, slew rate controlled (pin SYSCLK)
V
OL
V
OH
C
L
I
LIZ
LOW-level output voltage
HIGH-level output voltage
load capacitance
3-state leakage current
0.7V
DDD
0.3V
DDD
V
100
±
10
V
pF
μ
A
V
i
= 0 to V
DDD
SIF1 and SIF2 analog inputs
V
SIF(max)(p-p)
maximum composite SIF input
voltage for clipping
(peak-to-peak value)
SIF input level adjust 0 dB
SIF input level adjust
10 dB
SIF input level adjust 0 dB
SIF input level adjust
10 dB
941
2976
mV
mV
V
SIF(min)(p-p)
minimum composite SIF input
voltage for lower limit of AGC
(peak-to-peak value)
59
188
mV
mV
AGC
f
i
R
i
C
i
f
FM
f
FM(FS)
AGC range
input frequency
input resistance
input capacitance
FM deviation
FM deviation full-scale level
4
10
±
100
±
150
24
7.5
9.2
11
dB
MHz
k
pF
kHz
kHz
AGCLEV = 0
B/G standard; THD < 1%
terrestrial FM; level adjust
0 dB
N
FM
bandwidth = 6 MHz;
white noise for
S/N = 40 dB; “CCIR468”
quasi peak
f
i
= 4 to 9.2 MHz; note 2
C/N
FM
FM carrier C/N
c
ratio
77
α
ct
crosstalk attenuation
SIF1 to SIF2
50
dB
Demodulator performance
; note 3
THD + N
total harmonic distortion plus
noise
from FM source to any
output; V
o
= 1 V (rms) with
low-pass filter
SC1 from FM source to any
output; V
o
= 1 V (rms);
“CCIR468” quasi peak
SC2 from FM source to any
output; V
o
= 1 V (rms);
“CCIR468” quasi peak
from FM source to any
output
from FM to any output;
f
ref
= 1 kHz; inclusive
pre-emphasis and
de-emphasis
note 4
0.3
0.5
%
S/N
signal-to-noise ratio
64
70
dB
60
66
dB
B
3dB
3 dB bandwidth
14.5
15
kHz
f
res
frequency response
20 Hz to 14 kHz
±
2
dB
α
cs(dual)
dual signal channel separation
65
70
dB
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
dB
--Hz
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