MC44BC373C datasheet(10/30 Pages) FREESCALE

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MC44BC373C/374C Technical Data

Video Characteristics

10 Video Characteristics

Unless otherwise stated: Vcc=5.0V, Ambient Temperture=25

o C, Video Input 1V

p-p, 10-step grayscale.

RF output into 75Ohm load. SPECIFICATIONS ONLY VALID FOR ENVELOPE DEMODULATION.

Figure 4. Typical Performances

Parameter

Test Conditions

Min

Typ

Max

Unit

Type

Video bandwidth

Reference 0dB at 100kHz,

measured at 5MHz. See Note 2

–1.5

–0.8

—

Video input level

75Ohm load

—

1.5Vcvbs

Video input current

—

0.2

µAA

Video input impedance

500

—

Ω

Peak White Clip

PWCbit setto 1,see PWCsection.

SeeNote2

110

114

118

Video S/N

No sound modulation,100% white video

Using CCIR Rec.567 weighting filter

See Figure 4. See Note 2

—

Unweighted. See Note 2

—

Differential Phase

CCIR Test Line 330, worst case from the

first 4 steps out of 5. See Note 2

–5

—

deg

Differential Gain

CCIR Test Line 330, worst case from the

first 4 steps out of 5. See Note 2

–5

—

Luma/Sync ratio

Input ratio 7.0:3.0

6.8/

3.2

—

7.2/

2.8

—B

PAL video modulation depth

See Figure 4. See Note 2

SECAM video modulation depth

MC44BC373C only - See Figure 4. See

Note 2

V ide o Sign a l t o Nois e

( w i t h C C I R W ei g h t i n g f i l t er )

471 521 571 621 671 721 771 821 871

Fr e q u e n c y ( M h z )

PA L V id e o M o du latio n De pt h

471 521 571 621 671 721 771 821 871

Fr e q u e n cy (M h z )

SEC A M V id e o M odulatio n De pth

100

471 521 571 621 671 721 771 821 871

Fr e que ncy ( M h z)

Typical

Minimum specification

Maximum specification

Minimum specification

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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