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TDA3856 Datasheet(PDF) 8 Page - NXP Semiconductors

Part # TDA3856
Description  Quasi-split sound processor for all standards
PDF  17 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

TDA3856 Datasheet(HTML) 8 Page - NXP Semiconductors

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June 1994
8
Philips Semiconductors
Product specification
Quasi-split sound processor for all standards
TDA3856
FM1 and FM2 demodulators
Measurements with FM IF input signals of 5.5 MHz and 5.74 MHz with Vi IF (RMS) = 10 mV (fmod = 1 kHz, deviation
∆f= ±50 kHz) at pins 15 and 19 without ceramic filters, Rs =50 Ω.
De-emphasis 50
µs and V5 =VP (B/G standard).
QL-factor = 11 for resonant circuits at pins 6-7 and 10-11 (including IC).
VIC (RMS)
intercarrier signals
(RMS values, pins 6-7 and 10-11)
−
100
−
mV
V
DC voltage (pins 6, 7, 10 and 11)
−
1.8
−
V
Vo(RMS)
AF output signals
(RMS values, pins 8 and 9)
0.84
0.95
1.07
V
∆V
o
difference of AF signals between
channels (pins 8 and 9)
−−
1dB
R8, 9
output resistance
75
100
130
Ω
V8, 9
DC voltage
1.8
2.1
2.4
V
I8, 9(M)
allowed AC current of emitter output
(peak value)
note 3
−−
±1.5
mA
I8, 9
maximum allowed DC output current
−−
−2mA
THD
total harmonic distortion
−
0.5
1.0
%
Vo(RMS)
AF output signal (RMS value)
THD = 1.5%
1.25
−−
V
α
AM
AM suppression
1 kHz; m = 0.3
48
54
−
dB
S/N(W)
weighted signal-to-noise ratio
CCIR468-3
64
68
−
dB
B
AF bandwidth (
−3 dB)
lower limit
−−
20
Hz
upper limit
100
−−
kHz
α
CR
crosstalk attenuation (pins 9-8)
60
70
−
dB
V16, 18
DC voltage (pins 16 and 18)
−
1.8
−
V
AM demodulator V5 = 0 V (AM mode)
input signals at pins 1-2: SC = 32.4 MHz; fmod = 1 kHz; m = 0.8; Vi AM (RMS) = 10 mV
Vo (RMS)
AF output signal at pin 9 (RMS value)
530
600
675
mV
R9
output resistance (pin 9)
75
100
130
Ω
Io (M)
maximum AC output current (peak value)
note 3
−−
±1.5
mA
I9
maximum DC output current
−−
−2mA
V9
DC voltage
1.8
2.1
2.4
V
THD
total harmonic distortion
Fig.4
−
12
%
S/N(W)
weighted signal-to-noise ratio
CCIR468-3
50
56
−
dB
B
AF bandwidth (
−3 dB)
lower limit
−−
20
Hz
upper limit
100
−−
kHz
V14
DC voltage (pin 14)
−
2
−
V
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT



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