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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(nèi)載波音解調(diào)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)： | 5/16頁 |
| 文件大?。?/td> | 121K |
| 代理商： | TDA9821 |
1996 Nov 20
5
Philips Semiconductors
Product specification
Dual channel TV FM intercarrier
sound demodulator
TDA9821
Second sound carrier mute
The output of the second FM demodulator is muted when
the signal level (signal and/or noise) at pin 15 is less than
typically 0.5 mV (RMS value). This avoids an incorrect
stereo or dual sound identification when a mono signal is
transmitted. Therefore, with a mono transmission, there is
no audio output at pin 7. When the signal level at pin 15 is
greater than typically 1.0 mV (RMS value) mute is
switched off.
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
Notes
1.
2.
Equivalent to discharging a 200 pF capacitor via a 0
series resistor.
Equivalent to discharging a 100 pF capacitor via a 1.5 k
series resistor.
THERMAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN.
0.5
0.5
MAX.
UNIT
V
P
V
i
t
s
supply voltage (pin 14)
input signal (pins 1 and 15)
short-circuit time (each pin except pins 13 and 14 to
be tested; one at the time)
storage temperature
device
device in packing
junction temperature
operating ambient temperature
electrostatic handling for all pins
+9.0
+5.0
10
V
V
s
T
stg
25
25
0
500
4000
+125
+85
150
70
+500
+4000
°
C
°
C
°
C
°
C
V
V
T
j
T
amb
V
es
note 1
note 2
SYMBOL
PARAMETER
VALUE
UNIT
R
th j-a
thermal resistance from junction to ambient in free air
74
K/W
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