STV2248 datasheet(42/86 Pages) STMICROELECTRONICS

部件名	STV2248

功能描述	I²C bus-controlled multistandard single chip TV processor

PDF	86 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

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

STV2248 数据表(PDF) 42 Page - STMicroelectronics

STV2248 数据表(HTML) 42 Page - STMicroelectronics

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