TDA8415 datasheet(2/19 Pages) PHILIPS

Numer części	TDA8415

Szczegółowy opis	TV and VTR stereo/dual sound processor with integrated filters and I2C-bus control

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Producent	PHILIPS [NXP Semiconductors]

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2 / 19 page

May 1989

2

Philips Semiconductors

Preliminary speciﬁcation

TV and VTR stereo/dual sound processor with

integrated ﬁlters and I2C-bus control

TDA8415

GENERAL DESCRIPTION

The TDA8415 is a processor of stereo/dual language

signals (B/G-standard) for stereo sound television

receivers and VTRs, using the switched-capacitor

technique. The AF signals at the TDA8415 inputs must be

“(L

+R)/2” or “language A” on one channel and “R” or

“language B” on the second channel (where L = left and

R = right). The carrier frequency of the second channel is

also modulated by an identification signal (stereo or dual

sound). The device is controlled by a microcomputer via

the two-line, bidirectional I2C-bus.

Features

• Use of the switched-capacitor technique for signal

processing

• Small amount of peripheral components

• Integrated anti-aliasing filters

• Low distortion AF signal handling

• Integrated de-emphasis with a time constant of 50 µs

• Function and software are compatible with the TDA8405

• Two general purpose output ports

• Full ESD protection

QUICK REFERENCE DATA

PACKAGE OUTLINE

20-lead DIL; plastic (SOT146);SOT146-1; 1996 December 18.

PARAMETER

CONDITION

SYMBOL

MIN.

TYP.

MAX.

UNIT

Supply voltage (pin 15)

VP

−

12

−

V

Supply current (pin 15)

IP

−

10

−

mA

AF output signal (RMS value)

(pins 11 to 14)

Vo

−

2

−

V

Weighted signal-to-noise

ratio of the AF output

signals (CCIR 468/3)

(S

+W)/W

70

−−

dB

Crosstalk attenuation

stereo mode at

f = 1 kHz

α

S

40

−−

dB

dual sound mode at

f = 40 Hz to 12.5 kHz

αDS

70

−−

dB

Pilot signal input sensitivity

Vi

−

2.5

−

mV

Total harmonic distortion

THD

−

0.1

−

%

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