STV2249 datasheet(42/86 Pages) STMICROELECTRONICS

Il numero della parte	STV2249

Spiegazioni elettronici	I²C bus-controlled multistandard single chip TV processor

PDF	86 Pages

Scroll/Zoom	100%

Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

Homepage	http://www.st.com

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42 / 86 page

Obsolete

Product(s)

- Obsolete

Product(s)

STV224X, STV228X, STV223X - ELECTRICAL CHARACTERISTICS

42/86

Figure 14. Beam Current Limiter

Characteristics (Contrast)

Figure 15. Beam Current Limiter

Characteristics (Brightness)

Figure 16. Automatic RGB Peak Regulation (APR) / RGB Peak Limitation Characteristics

Figure 17. Linear Volume Control Curve

(7 bits, reg. 05 d6-d0, reg. 05 d7 = 0)

Figure 18. Non-Linear Volume Control Curve

(6 bits, reg. 05 d6-d1, reg. 05 d7 = 1)

4.5

5.5

6.5

-12

-18

-24

-6

VBCL (V)

Contrast (dB)

-6dB

-10dB

-18dB

0dB Max.

4.5

5.5

6.5

100

VBCL(V)

Brightness (%)

100

150

Output Level

Input Level (IRE)

APR Threshold max. (100 IRE)

and contrast max.

APR Threshold min. (50 IRE)

and contrast max.

APR Threshold max. (100 IRE)

and contrast min.

APR Threshold min. (50 IRE)

and contrast min.

RGB Peak Limitation Curve or

-20

-40

-60

-80

0150

100

Code (decimal)

-20

-40

-60

-80

010

Code (decimal)

4060

STV2249 Scheda tecnica(PDF) 42 Page - STMicroelectronics

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