TA1270BFG datasheet(18/39 Pages) TOSHIBA

Part #	TA1270BFG

Description	PAL / NTSC VIDEO CHROMA AND SYNC PROCESSING SYSTEM FOR PIP / POP / PAP

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Manufacturer	TOSHIBA [Toshiba Semiconductor]

Direct Link	http://www.semicon.toshiba.co.jp/eng

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TA1270BFG

2005-08-18

18

Chroma block

CHARACTERISTIC

SYMBOL

TEST

CIR-

CUIT

TEST CONDITION

MIN

TYP.

MAX

UNIT

F600

―

300

360

420

F300

―

300

360

420

F30

―

300

360

420

F10

―

170

245

290

mVp-p

ACC Characteristics

A

―

(Note C1)

0.95

1.00

1.05

―

es+

―

20

og

l

(Data max. / data center)

2.0

3.0

4.0

Sub Color Control

Characteristic

es−

―

20

og

l

(Data max. / data center)

−7.4

−5.3

−2.4

dB

β3

―

0.5

1.65

2.2

β4

―

0.5

1.65

2.2

APC Frequency Control

Sensitivity

βM

―

(Note C2)

0.5

1.65

2.2

Hz / mV

f3ph

―

At 3.58 NTSC, upper side

250

600

2000

f3pl

―

At 3.58 NTSC, lower side

−2000

−1400

−250

f4ph

―

At 4.43 PAL, upper side

250

600

2000

f4pl

―

At 4.43 PAL, lower side

−2000

−950

−250

fMph

―

At M-PAL, upper side

250

600

2000

APC Pull-In Range

fMpl

―

At M-PAL, lower side

−2000

−1100

−250

f3hh

―

At 3.58 NTSC, upper side

250

600

2000

f3hl

―

At 3.58 NTSC, lower side

−2000

−1400

−250

f4hh

―

At 4.43 PAL, upper side

250

600

2000

f4hl

―

At 4.43 PAL, lower side

−2000

−950

−250

fMhh

―

At M-PAL, upper side

250

600

2000

APC Hold Range

fMhl

―

At M-PAL, lower side

−2000

−1100

−250

fO3

―

fO = 3.579545 MHz

−200

0

200

fO4

―

fO = 4.433619 MHz

−200

0

200

fsc Free-Run Frequency

fOM

―

fO = 3.575611 MHz

−200

0

200

Hz

f3c

―

At 3.58 NTSC input

0.45

0.75

0.95

f4c

―

At 4.43 PAL input

0.50

0.65

0.80

fsc Output Amplitude

fMc

―

At M-PAL input

0.45

0.75

0.95

Vp-p

V44a

―

At 3.58 NTSC input

2.9

3.2

3.5

fsc Output DC Level

V44b

―

At other than 3.58 NTSC input

1.15

1.55

1.75

V

vRNUV

―

300

360

420

vBNUV

―

3.58 NTSC − UV mode,

B : C = 1 : 1

280

340

400

vRNCbCr

―

215

272

320

vBNCbCr

―

3.58 N−CbCr mode,

B : C = 1 : 1

280

340

400

vRP

―

315

380

440

Color Difference Output

Level

vBP

―

4.43 PAL,

B : C = 1 : 1

315

380

440

mVp-p

vR / BUV

―

3.58 NTSC − UV mode

0.94

1.00

1.15

vR / BCbCr

―

3.58 N − CbCr mode

0.94

1.00

1.15

Relative Amplitude

vR / BPAL

―

4.43 PAL

0.94

1.00

1.15

―

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TA1270BFG Datasheet(PDF) 18 Page - Toshiba Semiconductor

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