sed1355 ETC-unknow, sed1355 Datasheet - Page 42

• Manufacturer Part Number: sed1355
• Description: Sed1355 Embedded Ramdac Lcd/crt Controller
• Manufacturer: ETC-unknow

Page 36
5.5 CRT Interface
SED1355
X23A-A-001-11
IREF
R
G
B
4.6 mA
DAC V
The following figure shows the external circuitry for the CRT interface.
SS
150
1%
DAC V
SS
150
1%
4.6 mA
140
1%
2N2222
DAC V
DAC V
Figure 5-3: External Circuitry for CRT Interface
SS
SS
150
1%
DAC V
DAC V
DD
SS
}
1.5k
1%
1k
1%
= 3.3V
To CRT
OR
290
1%
DAC V
4.6 mA
SS
29
1%
DAC V
R
DAC V
V+
V-
DD
SS
1 F
1N457
= 2.7V to 5.5V
LM334
Epson Research and Development
Hardware Functional Specification
Vancouver Design Center
Issue Date: 99/05/18