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LA72910V-TLM-E Datasheet(PDF) 9 Page - ON Semiconductor

Part No. LA72910V-TLM-E
Description  FM Modulator and Demodulator IC
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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LA72910V
No.A0783-9/10
Continued from preceding page.
Pin No.
Pin Name
Description
Equivalent circuit
13
De-emphasis filter
DEMOD mode: De-emphasis filter pin.
De-emphasis time constant must be matching at emphasis
time constant.
(If you donā€™t need the emphasis, this pin is open.)
13
R1
C1
SIG
14
A-GND
Circuit GND.
15
VD control
/De-emphasis out
DEMOD mode: Video signal output after De-emphasis.
Output level is 0.5Vp-p.
Connect capacitor to clamp input (pin 16).
MOD mode: DFF control pin. DFF is ON at over 2V DC
voltage. (2 to 5V)
3
MOD : DC IN
DEMOD
SIG
C1
16
Video_IN
MOD mode: Video signal input pin (from camera).
Input level is 1Vp-p.
DEMOD mode: Video signal input pin (from de-emphasis).
Input level is 0.5Vp-p.
16
Video input
MOD : 1Vp-p
DEMOD : 0.5Vp-p
Clamp
C1
500
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