Philips TDA2545A Datasheet
INTEGRATED CIRCUITS
DATA SH EET
TDA2545A
Quasi-split-sound circuit
Product specification
File under Integrated Circuits, IC02
February 1985
Philips Semiconductors Product specification
Quasi-split-sound circuit TDA2545A
GENERAL DESCRIPTION
The TDA2545A is a monolithic integrated circuit for quasi-split-sound processing in television receivers.
Features
• 3-stage gain controlled i.f. amplifier
• A.G.C. circuit
• Reference amplifier and limiter amplifier for vision carrier (V.C.) processing
• Linear multiplier for quadrature demodulation
QUICK REFERENCE DATA
Supply voltage (pin 11) V
Supply current (pin 11) I
Minimum i.f. vision carrier input voltage (r.m.s. value) V
Output voltage; 5,5 MHz (r.m.s. value) V
Output voltage; 5,742 MHz (r.m.s. value) V
I.F. control range ∆G
= V
P
11-13
= I
P
11
VC1-16(rms)
12-13(rms)
12-13(rms)
v
typ. 12 V
typ. 45 mA
typ. 150 µV
typ. 100 mV
typ. 45 mV
typ. 64 dB
Signal-to-weighted-noise (rel. to 1 kHz; 30 kHz deviation)
at 5,5 MHz
at 5,742 MHz S + W/W typ. 56 dB
for 2T/20T pulses with white bars
S + W/W typ. 58 dB
PACKAGE OUTLINES
16-lead DIL; plastic (SOT38); SOT38-1; 1996 November 19.
February 1985 2
Philips Semiconductors Product specification
Quasi-split-sound circuit TDA2545A
(1) I.F. signal: vision carrier (V.C.) and sound carrier (S.C.).
Fig.1 Block diagram.
RATINGS
Limiting values in accordance with the Absolute Maximum System (IEC 134)
Supply voltage (pin 11) V
Storage temperature range T
Operating ambient temperature range T
= V
P
stg
amb
max. 13,2 V
11-13
−25 to + 150 °C
0to+70 °C
February 1985 3
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