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BU1425AKV Datasheet

  • BU1425AKV

  • NTSC / PAL digital RGB encoder

  • 304.60KB

  • 32頁

  • ROHM

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Multimedia ICs
NTSC / PAL digital RGB encoder
BU1425AK / BU1425AKV
The BU1425AK / BU1425AKV are ICs which convert digital RGB / YUV input to composite (NTSC / PAL / PAL60),
luminance (Y), and chrominance (C) signals, and outputs the results.
鈥?/div>
Applications for VIDEO-CDs and CD-G decoders
Video interfaces
Features
鈥?/div>
1) Input clocks supported
27.0 / 13.5MHz
28.636 / 14.318MHz
28.375 / 14.1875MHz
35.4695 / 17.73475MHz
2) 24-bit RGB and 16-bit YUV input signals are sup-
ported.
3) Both master and slave systems are supported.
4) 9-bit high-speed DAC is used for DAC output of
composite VIDEO, Y, and C signals.
5) Internal 8-color OSD output function is provided.
6) FSC-TRAP on the Y channel can be turned on and
off.
7) C channel is equipped with an internal chromi-
nance band-pass filter in addition to the U.V. low-
pass filter.
8) 5V single power supply, low power consumption
(0.4W typ.)
9) Y and C output can be turned off (the power con-
sumption with Y and C off is 0.25W typ.).
10) In the Master mode, applying 3.3V to the I / O V
DD
and 5.0V to other V
DD
s produces HSY and VSY
output with an amplitude of 3.3V. This enables
direct connection to LSIs that use a power supply
voltage of 3.3V. (The clock output for the OSD has
a fixed amplitude of 5.0V.)
11) In the Slave mode, applying voltage to the I / O V
DD
only, and applying 0V to other V
DD
s, enables a cur-
rent consumption of 0 even when RGB DATA,
HSY, VSY, and OSD DATA are in the active state.
1

BU1425AKV 產(chǎn)品屬性

  • 1,000

  • 集成電路 (IC)

  • 接口 - 編碼器，解碼器，轉(zhuǎn)換器

  • -

  • NTSC/PAL 編碼器

  • 視頻

  • 4.5 V ~ 5.5 V

  • 4.5 V ~ 5.5 V

  • 表面貼裝

  • 64-LQFP

  • 64-VQFP

  • 托盤

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