TDA9614H datasheet(31/60 Pages) PHILIPS

31 / 60 page

1995 Mar 21

Philips Semiconductors

Preliminary speciﬁcation

Audio processor for VHS hi-ﬁ

and linear audio

TDA9614H

Notes

1. Record: record audio FM and record linear audio.

2. Loop-through: loop-through audio FM and loop-through R linear audio.

3. Playback: playback audio FM and playback linear audio.

10 AC CHARACTERISTICS

10.1

Record audio FM mode

Audio input signal

−8 dBV from TUNL and TUNR (pins 2 and 3); V

DDA1 = 12 V; VDDA2 = 5 V; VDDD = 5 V; NTSC = 0;

LP = 0; CALR = 1; f = 1 kHz (audio test frequency); Tamb = 25 °C; all volume control levels set to 0 dB; measured in test

circuit (see Fig.13); unless otherwise speciﬁed.

USED AS INPUT (OUTPUT OVERRULED)

VIH

HIGH level input voltage

3.5

−

VDDD

VIL

LOW level input voltage

−

1.5

IIH

HIGH level input current

at VIH

−

345

µA

IIL

LOW level input current

at VIL

−

−65

µA

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP.

MAX.

UNIT

Audio inputs (SAP, TUNL, TUNR, CINL, CINR, EXT1L, EXT1R, EXT2L, EXT2R, EXT3L and EXT3R;

pins 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 and 11)

input resistance

100

130

−

Ω

ViAF

audio input voltage

−

dBV

Line and decoder outputs (LINEL, LINER, LINE2L and LINE2R; pins 21, 22, 19 and 20)

Vo(max)

maximum output voltage

−9

−8

−7

dBV

THD = 1%; RL = 5 kΩ;

CL = 2.2 nF;

TUNL

≤ −3 dBV;

TUNR

≤ −3 dBV; note 1

−

dBV

output resistance

−

200

275

Ω

THD

total harmonic distortion

−

0.01

0.1

noise level

fi = 300 Hz to 20 kHz;

TUNL and TUNR

AC grounded

−

−91

−87

dBV

channel balance

−1

Vmute

volume mute level

−

−100

−80

dBV

crosstalk between channels

one channel driven

−

−83

−78

dBV

fres

frequency response with

respect to 1 kHz; low-pass

ﬁlter transfer

fi = 20 kHz

−0.5

−0.1

+0.5

fi = 60 kHz

−

−12

−5

ct(max)

maximum audio input crosstalk

−8 dBV at a not selected

stereo audio input

−

−90

−

dBV

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP.

MAX.

UNIT

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