參數(shù)資料
型號: TDA9821
廠商: NXP SEMICONDUCTORS
元件分類: 接收器
英文描述: dual channel TV FM intercarrier sound demodulator(雙頻道TV FM內載波音解調器)
中文描述: FM, AUDIO DEMODULATOR, PDIP16
封裝: 0.300 INCH, PLASTIC, MO-001AE, SOT-38-1, DIP-16
文件頁數(shù): 2/16頁
文件大?。?/td> 121K
代理商: TDA9821
1996 Nov 20
2
Philips Semiconductors
Product specification
Dual channel TV FM intercarrier
sound demodulator
TDA9821
FEATURES
Two alignment-free PLL FM demodulators
Automatic second sound carrier mute
Mono and dual channel application
Low power consumption
Few external components required.
GENERAL DESCRIPTION
The TDA9821 is a monolithic, integrated, TV FM
intercarrier sound demodulator for all FM standards.
The circuit contains two separate FM demodulators using
Phase Locked Loop (PLL) reference frequency
generation. The circuit requires a minimum number of
external components.
QUICK REFERENCE DATA
ORDERING INFORMATION
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
V
P
I
P
I
M
V
i(rms)
supply voltage (pin 14)
supply current (pin 14)
AC peak current (pins 7 and 8)
input signal (RMS value)
4.5
23
5.0
30
150
8.8
37
1.5
250
V
mA
mA
μ
V
V
o(rms)
+
N
output signal (pins 7 and 8; RMS value)
f
i
=
±
50 kHz
signal plus noise-to-noise ratio
(pins 7 and 8)
0.4
64
0.5
68
0.6
V
dB
in accordance with
“CCIR 468-3”
α
8/7
RR
crosstalk attenuation
supply voltage ripple rejection
(pins 7 and 8)
operating ambient temperature
f = 50 to 12500 Hz
V
RR
< 200 mV; f = 70 Hz
60
16
70
20
dB
dB
T
amb
0
70
°
C
TYPE NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TDA9821
DIP16
plastic dual in-line package; 16 leads (300 mil); long body
SOT38-1
S
N
+
N
40 dB
=
N
S
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