TDA3825 Ver la hoja de datos (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
PARAMETER
Slew rate
CONDITIONS
Maximum AF output voltage
(RMS value)
Input impedance
(pin 4)
(pin 10)
−1 dB small signal bandwidth
DC output current
Output load capacitance
Feedback resistor
(pin 3 to pin 6)
(pin 3 to pin 12)
DC output voltage
AF suppression for mute
Crosstalk attenuation
Offset voltage between any
two source selector
positions
Source selector control
Source coltrol voltage (pin 9)
Mute active
input voltage
input current
Input 1 active (pin 4)
input voltage
input current
Input 2 active (pin 10)
input voltage
input current
Input voltage at pin 9
for I9 = 0 µA
THD ≤ 0.1%;
Vu = 6 dB
see Fig.3
Reference source (pin 6)
Reference voltage input
Output current
SYMBOL
∆----V----∆1---2t---–----1-
MIN.
2
TYP.
−
MAX.
−
UNIT
V/µs
V12-1
1.1
−
−
V
Z4-1
50
−
Z10-1
50
−
Baf
100
−
I12
−
−
CL
−
−
−
kΩ
−
kΩ
−
kHz
1
mA
500
pF
R3-6
−
−
10
kΩ
R3-12
0
−
−
Ω
V12-1
−
2.27
−
V
αmute
70
76
−
dB
α4/10
64
70
−
dB
V12-6
−
−
50
mV
V9-1
0
−
1/3VP−1 V
I9
10
−
500
µA
V9-1
1/3 VP
−
I9
−200
−
2/3 VP−0.7 V
+200
µA
V9-1
2/3 VP + 0.7 −
I9
−600
−
VP
V
−40
µA
V9-1
−
V-----P----–-2----0---.--7- −
V
Vref
2.17
2.27
2.37
V
I6
−
250
−
µA
September 1988
6
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