參數(shù)資料
型號: TDA9808T-T
廠商: NXP SEMICONDUCTORS
元件分類: 接收器
英文描述: AM/FM, AUDIO/VIDEO DEMODULATOR, PDSO20
文件頁數(shù): 30/35頁
文件大?。?/td> 170K
代理商: TDA9808T-T
TA1317AN
2002-09-06
4
Pin
No.
Pin Name
Function
Interface Circuit
Input/Output Signal
5
V-DC REF
DC reference voltage
output pin when V is DC
coupling.
In case of not using, it
should be open.
DC
6
V NF
Vertical negative
feedback input pin.
When VD
= 0, if pin is
1.2 V (typ.) or below, or
3.7 V (typ.) or higher,
returns abnormal
detection result to BUS
read function (V guard),
forcibly setting pin 20 to
High. When VD
= 1, if
pin is 2.4 V (typ.) or
below, or 7.4 V (typ.) or
higher, abnormality is
detected.
7
VCC
VCC pin.
Connect 9 V (typ.).
8
EW PWM
EW D drive (PWM)
output pin. Open
collector output.
In case of not using, it
should be open.
9
ANALOG GND
GND pin for analog
block
10
EW FD
EW feedback pin
5
9
7
5
k
30
k
40 k
1
k
6
9
7
12.5 k
50
8
9
7
10
7
60 k
9
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TDA9809M-T FM, AUDIO DEMODULATOR, PDSO20
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