TDA3825 데이터 시트보기 (PDF) - Philips Electronics
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TDA3825 Datasheet PDF : 12 Pages
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Philips Semiconductors
Single FM TV-sound demodulator circuit
Product specification
TDA3825
GENERAL DESCRIPTION
The TDA3825 is a single FM demodulator system with external AF input and mute.
Features
• Supply voltage range from 4.5 V to 13.2 V
• AC coupled AF stage
• Multiple input AF operational amplifier with offset compensation
• External AF input
• High AF output voltage with low distortion
• AF gain of 0 dB without external components
• Frequency response can be determined by external components
• High ripple rejection
• Low switching noise between AF and mute
QUICK REFERENCE DATA
PARAMETER
Supply voltage (pin 11)
Supply current (pin 11)
FM demodulator
AF output voltage (pin 5)
(RMS value)
Signal plus weighted-noise
to weighted-noise ratio
Total harmonic distortion
Source selector
AF output voltage (pin 12)
(RMS value)
CONDITIONS SYMBOL MIN. TYP. MAX. UNIT
VP
4.5
5.0
13.2 V
VP = 5.0 V
IP
VP = 12 V
IP
−
16
−
mA
−
18
−
mA
∆f = 50 kHz;
QB = 11
V5−1
−
(S + W)/W 65
THD
−
0.5
−
V
70
−
dB
0.3
0.5
%
THD ≤ 0.1%;
V12−1
−
1.0
−
V
Vu = 6 dB
PACKAGE OUTLINE
14-lead DIL; plastic (SOT27); SOT27-1; 1996 November 25.
September 1988
2
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