TDA3803A Ver la hoja de datos (PDF) - Philips Electronics
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TDA3803A Datasheet PDF : 11 Pages
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Philips Semiconductors
Stereo/dual TV sound decoder circuit
Product specification
TDA3803A
PARAMETER
DC input voltage level
at pins 25 and 27
DC output voltage level
at pins 20; 21; 22 and 23
Output resistance
at pins 20; 21; 22 and 23
Identification part
Pilot carrier amplifier
input signal (pin 2)
gain control range
controlled output signal (pin 1)
(peak-to-peak value)
Input resistance (pin 2)
Output resistance (pin 1)
DC input voltage level (pin 2)
applied externally (see Fig.2)
DC output voltage level (pin 28)
without gain control
with gain control
Identification signal (pin 28)
(peak-to-peak value)
Filter operational amplifiers
open loop gain
Identification frequency evaluation
No identification signal (lower threshold)
Identification signal (upper threshold)
Stereo transmission (lower threshold)
Dual sound transmission (upper threshold)
Control logic part
Mute input voltage (pin 18)
mute OFF
mute ON (see the remarks to pin 10)
Switching stereo/mono and sound I/sound II
Stereo transmission
switching voltage to pin 19 (pin 17 and 16
not affected)
output ports I and II mono
output ports I and II stereo
SYMBOL
MIN. TYP. MAX. UNIT
V25; 27-12
−
6
−
V
Vn-12
−
6
−
V
Vn-12
−
200
−
Ω
V2-12
∆Gv
5
−
−
mV
40
−
−
dB
V1-12(p-p)
−
300
−
mV
R2-12
−
60
−
kΩ
R1-12
1
−
−
MΩ
V2-12
−
6
−
V
V28-12
V28-12
−
6
−
V
−
7,9
−
V
V28-12(p-p)
−
2,0
−
V
Go
78
−
−
dB
V4-12
V4-12
V9-12
V9-12
−
−
4,7
−
−
−
4,7
−
2,5
V
−
V
2,5
V
−
V
V18-12
V18-12
−
−
0,8
V
2
−
−
V
V19-12
V19-12
−
−
0,8
V
2
−
−
V
November 1987
6
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