TDA9610 datasheet(5/41 Pages) PHILIPS

5 / 41 page

1995 Mar 21

Philips Semiconductors

Product speciﬁcation

Audio FM processor for VHS hi-ﬁ audio

TDA9610H

RECTL

rectiﬁer DC decoupling left

DETL

attack/recovery timing left

Vref

noise ﬁltering of 3.8 V reference voltage; external capacitor required for ﬁltering

VSSA1

analog ground for LF circuits

DETR

attack/recovery timing right

RECTR

rectiﬁer DC decoupling right

EMPHR

total emphasis right (20 to 240

µs)

DCREFR

DC reference right

DCFBR

DC feedback left

LINOUT

linear output

EXN1

EXN input (external normal input); mono input selectable to linear output

AFOUTR

audio output from either sample-and-hold (playback) or noise reduction (record and

loop-through) of right channel

AFINR

audio input for either audio clipper (record) or noise reduction (playback) of right

channel

HID

head identiﬁcation pulse input for sample-and-hold circuits

EXN2

EXN input (external normal input); mono input selectable to linear output

FADJR

frequency adjustment of right channel oscillator by means of a variable resistor

n.c.

not connected; preferably connected to ground

FMINR

1.7 to 1.8 MHz input for limiter

FMOUT

FM output

VDDA2

analog supply voltage (+5 V)

i.c.

pin internally connected to die pad; preferably connected to ground

VSSA2

analog ground for HF circuits

NTSC

digital output controlled by I2C-bit NTSC

FMINL

1.3 to 1.4 MHz input for limiter

n.c.

not connected; preferably connected to ground

n.c.

not connected; preferably connected to ground

FADJL

frequency adjustment of left channel oscillator by means of a variable resistor

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