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參數(shù)資料
| 型號(hào)： | TDA9203A |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 3 CHANNEL, VIDEO PREAMPLIFIER, PDIP24 |
| 封裝： | PLASTIC, SHRINK, DIP-24 |
| 文件頁數(shù)： | 9/13頁 |
| 文件大?。?/td> | 119K |
| 代理商： | TDA9203A |
HSYNC
V
CONT
(4)
BPCP
BLK
Video IN
FBLK
OSD IN
V
OSD
(5)
V
BRT
(3)
V
BLACK
(2)
V
DC
(1)
CONT
OSD
BRT
0.4V fixed
V
OUT1,VOUT2,VOUT3
Notes : 1.
V
DC = 0.5 to 2.5V
2.
V
BLACK =VDC + 0.4V
3.
V
BRT =VBLACK + BRT (with BRT = 0 to 2.5V)
4.
V
CONT =VBRT + CONT with CONT = k x Video IN (CONT = 5VPP max. for VIN = 0.7VPP)
5.
V
OSD =VBRT + OSD with OSD = k1 x OSDIN (OSD max. = 5.5VPP, OSD min. = 360mVPP)
9203
A
-0
6
.E
P
S
Figure 4 : Waveforms VOUT, BRT, CONT, OSD
HSYNC
V
CONT
BPCP
BLK
Video IN
FBLK
OSD IN
V
OSD
V
BRT
V
BLACK
V
DC
V
OUT1,VOUT2,VOUT3
Note : 1. Drive adjustment modifies the following voltages : V
CONT,VBRT and VOSD.
Drive adjustment do not modify the following voltages : V
DC and VBLACK.
Two exemples
of drive adjustment (1)
9203
A
-0
7
.E
P
S
Figure 5 : Waveforms (DRIVE adjustment)
FUNCTIONAL DESCRIPTION (continued)
SCL
W
A7
A6
A5
A4
A3
A2
A1
A0
SDA
Register Address
ACK
I2C Slave Address
Start
D7
D6
D5
D4
D3
D2
D1
D0
Data Byte
ACK
Stop
9203A
-0
8
.E
P
S
Figure 6 : I
2C Write Operation
TDA9203A
5/13
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