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TDA3858 Datasheet

Quasi-split sound processor for all standards

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INTEGRATED CIRCUITS
DATA SHEET
TDA3858
Quasi-split sound processor for all
standards
Product specification
File under Integrated Circuits, IC02
June 1994


NXP Semiconductors Electronic Components Datasheet

TDA3858 Datasheet

Quasi-split sound processor for all standards

No Preview Available !

Philips Semiconductors
Quasi-split sound processor for all standards
Product specification
TDA3858
FEATURES
Quasi-split sound processor for all standards e. g. B/G
(FM sound) and L (AM sound)
Reducing of spurious video signals by tracking function
and AFC for the vision carrier reference circuit;
(recommended for NICAM)
Automatic muting of the AF2 signal (at B/G) by the input
level
AM signal processing for L standard and switching over
the audio signal
Stereo matrix correction
Layout-compatible with TDA3856 (24 pins) and
TDA3857 (20 pins).
GENERAL DESCRIPTION
Separate symmetrical IF inputs for FM or AM sound.
Gain controlled wideband IF amplifier, input select switch.
AGC generation due to peak sync for FM or mean signal
level for AM. Reference amplifier for the regeneration of
the vision carrier. Optimized limiting amplifier for AM
suppression in the regenerated vision carrier signal and
90° phase shifter.
Intercarrier mixer for FM sound, output with low-pass filter.
Separate signal processing for 5.5 and 5.74 MHz
intercarriers. Wide supply voltage range, only 300 mW
power dissipation at 5 V.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
VP1 supply voltage (pin 27)
VP2 alternative supply voltage (pin 28)
Data at VP1 = 5 V
IP
Vi IF
VO (RMS)
VO (RMS)
THD
supply current (pin 27)
IF input sensitivity (3 dB)
audio output signal for FM (B/G)
audio output signal for AM (L)
total harmonic distortion
for FM
for AM
S/N (W)
weighted signal-to-noise ratio
for FM
for AM
ORDERING INFORMATION
EXTENDED
TYPE NUMBER
PINS
TDA3858
32
Note
1. SOT 232-1; 1996 November 21.
PIN
POSITION
shrink DIL
MIN.
4.5
10.8
TYP.
5
12
MAX. UNIT
8.8 V
13.2 V
60 72 mA
70 100 µV
1V
0.6 V
0.5 %
1%
68 dB
56 dB
PACKAGE
MATERIAL
plastic
CODE
SOT232(1)
June 1994
2


Part Number TDA3858
Description Quasi-split sound processor for all standards
Maker NXP
PDF Download

TDA3858 Datasheet PDF





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