TDA8722M datasheet(3/28 Pages) PHILIPS

Part #	TDA8722M

Description	I2C-bus programmable modulator for negative video modulation and FM sound

PDF	28 Pages

Scroll/Zoom	100%

Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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3 / 28 page

1998 Jun 23

Philips Semiconductors

Product speciﬁcation

I2C-bus programmable modulator for

negative video modulation and FM sound

TDA8722

QUICK REFERENCE DATA

VDDA =VDDD =5V; Tamb =25 °C after the IC has reached thermal equilibrium; unless otherwise speciﬁed.

Notes

1. Value depends on value of resistor R17 (see Fig.7).

2. Value depends on value of capacitor C17 (see Fig.7).

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

VDDA

analog supply voltage

4.5

5.0

5.5

VDDD

digital supply voltage

4.5

5.0

5.5

IDD

total supply current

normal mode

∆m

typical modulation depth range

video level (pin 19) = 0.5 V (p-p);

note 1; see Fig.10

−

∆P/S

typical picture-to-sound level

range

note 2; see Fig.11

−18

−−10

VRF

RF output voltage level

asymmetrical on a 75

Ω load

frequency between

471.25 and 855.25 MHz

µV

δf

FM deviation on audio

subcarrier

fi = 400 Hz; V1 = 0.5 V (RMS);

before pre-emphasis ﬁlter

kHz

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