TDA9321 datasheet(20/44 Pages) PHILIPS

20 / 44 page

1998 Dec 16

Philips Semiconductors

Preliminary speciﬁcation

I2C-bus controlled TV input processor

TDA9321H

Tuner takeover point adjustment (via I2C-bus)

Vstrt(min)(rms)

minimum start level

(RMS value)

−

0.4

0.8

Vstrt(max)(rms)

maximum start level

(RMS value)

100

150

−

∆V

max/T

maximum variation with

temperature

Tamb = 0to70 °C

−

68dB

Tuner control output (pin TAGC)

Vo(max)

maximum output voltage

maximum tuner gain;

note 3

−−

Vo(sat)

output saturation voltage

minimum tuner gain;

Io =2mA

−−

300

Io(max)

maximum output current swing

−−

leakage current

for RF AGC

−−

µA

∆V

input signal variation

for complete tuner control 0.5

AFC OUTPUT (VIA I2C-BUS); note 15

RESAFC

AFC resolution

−

bits

∆f

window sensitivity

normal window mode

100

kHz

enlarged window mode

195

240

300

kHz

VIDEO IDENTIFICATION OUTPUT (VIA I2C-BUS)

delay time

for identiﬁcation after the

AGC has stabilized on a

new transmitter

−−

Sound IF circuit

SOUND IF AMPLIFIER (PINS SIF1 AND SIF2)

Vi(rms)

input sensitivity (RMS value)

FM mode (

−3 dB)

−

µV

AM mode (

−3 dB)

−

100

µV

Vi(max)(rms)

maximum input signal

(RMS value)

FM mode

−

AM mode

140

−

Ri(dif)

differential input resistance

note 3

−

Ω

Ci(dif)

differential input capacitance

note 3

−

∆G

voltage gain control range

−−

ct(SIF-VIF)

crosstalk between inputs SIF

and VIF

−−

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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