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參數資料
| 型號： | SMD1103S |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 10-Bit Data Acquisition System for Autonomous Environmental Monitoring |
| 中文描述： | 10位數據采集系統的自主環境監測 |
| 文件頁數： | 1/14頁 |
| 文件大小： | 502K |
| 代理商： | SMD1103S |
1
Characteristics subject to change without notice
2033 8.1 10/04/01
SMD1102 / 1103 / 1113
SUMMIT
MICROELECTRONICS, Inc.
SUMMIT MICROELECTRONICS, Inc., 2001 300 Orchard City Dr., Suite 131 Campbell, CA 95008 Phone 408-378-6461 FAX 408-378-6586
www.summitmicro.com
Preliminary
!
Complete Data Acquisition System
"
10-Bit A/D Converter Resolution
"
75μs Acquisition plus Conversion Time
"
Alarm Limits for Each Input Channel
"
Auto-Increment of Input Channels
"
Two Wire I
2
C Serial Data Interface
"
System Management Bus (SMBus) Compat-
ible
"
Auto-Monitor with SMB
ALERT
Output
"
Low Quiescent Current of 50μA
"
Wide Supply Voltage Range: 2.7V to 5.5V
10-Bit Data Acquisition System for
Autonomous Environmental Monitoring
FUNCTIONAL BLOCK DIAGRAM
FEATURES
!
SMD1102
"
2-Channel Analog Input
"
External Voltage Reference Input Provided for
Absolute Measurements
!
SMD1103
"
3-Channel Analog Input
"
Reference Voltage Input for the A/D Converter
is Connected to V
DD
for Ratiometric Measure-
ments
!
SMD1113
"
Extended I
2
C Operation
"
3-Channel Analog Input
"
External Voltage Reference Input Provided
for Absolute Measurements
GND
VDD
CONVERTER
CLOCK
SCL
SDA
2033 BD 7.0
CONTROL
LOGIC
2-WIRE
SERIAL
INTERFACE
ANALOG
MULTIPLEXER
10-BIT A/D
CONVERTER
E2PROM
ALARM LIMIT
REGISTERS
SAMPLE
AND
HOLD
SMBALERT#
AIN2
X
AIN1
AIN0
(1103,
1113)
REFIN
(1102,
1113)
X
CE#
A2
A1
A0
(1113)
(1113)
(1113)
(1113)
Note: See Pin
Configuration
drawings for
pinouts
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