參數(shù)資料
型號(hào)： CH7008A-T
廠商： Electronic Theatre Controls, Inc.
英文描述： Digital PC to TV Encoder Features
中文描述： 數(shù)字電視編碼器電腦功能
文件頁(yè)數(shù)： 47/49頁(yè)
文件大?。?/td> 341K
代理商： CH7008A-T
201-0000-027 Rev 2.2, 9/30/99
47
CHRONTEL
CH7008A
Electrical Specifications
Notes:
1. Stresses greater than those listed under absolute maximum ratings may cause permanent damage to the
device. These are stress ratings only. Functional operation of the device at these or any other conditions
above those indicated under the normal operating condition of this specification is not recommended.
Exposure to absolute maximum rating conditions for extended periods my affect reliability.
2. The device is fabricated using high-performance CMOS technology. It should be handled as an ESD
sensitive device. Voltage on any signal pin that exceeds the power supply voltages by more than
±
0.
5V can
induce destructive latch.
Table 27. Absolute Maximum Ratings
Symbol
Description
Min
- 0.5
Typ
Max
7.0
Units
V
V
Sec
°
C
°
C
°
C
°
C
V
DD
relative to GND
Input voltage of all digital pins
1
Analog output short circuit duration
Ambient operating temperature
Storage temperature
Junction temperature
Vapor phase soldering (one minute)
GND - 0.5
VDD + 0.5
T
SC
T
AMB
T
STOR
T
J
T
VPS
Indefinite
- 55
- 65
85
150
150
220
Table 28.
Recommended Operating Conditions
Symbol
VDD
AVDD
DVDD
DVDD2
Description
Min
4.75
4.75
3.1
1.7
Typ
5.00
5.00
3.3
1.8
Max
5.25
5.25
3.6
1.9
Units
V
DAC power supply voltage
Analog supply voltage
Digital supply voltage
Digital supply voltage (P-OUT pin) VGA controller
interface = 1.8V
Digital supply voltage (P-OUT pin) VGA controller
interface = 3.3V
Output load to DAC outputs
V
DVDD2
3.1
3.3
3.6
V
R
L
37.5
Table 29. Electrical Characteristics (Operating Conditions: T
A
= 0
o
C - 70
o
C, V
DD
= 5V ± 5%)
Video D/A resolution
Full scale output current
Video level error
VDD & AVDD (5V) current (simultaneous S-Video
& composite outputs)
DVDD (3.3V) current
DVDD2 (1.8V) current (15pF load)
9
9
9
Bits
mA
%
mA
33.89
10
105
45
4
mA
mA
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