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參數資料
| 型號： | ASC7531BM10 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | LOW-VOLTAGE 1-WIRE DIGITAL TEMPERATURE SENSOR AND VOLTAGE MONITOR |
| 中文描述： | 低電壓1 - Wire數字溫度傳感器和電壓監測 |
| 文件頁數： | 1/18頁 |
| 文件大小： | 196K |
| 代理商： | ASC7531BM10 |
Product Description
- 1 -
Andigilog, Inc. 2006
www.andigilog.com
December 2006 - 70A05012
L
OW
-V
OLTAGE
1-W
IRE
D
IGITAL
T
EMPERATURE
S
ENSOR
AND OLTAGE
M
ONITOR
P
RODUCT
S
PECIFICATION
aSC7531A / aSC7531B
The aSC7531 is a high-precision CMOS temperature sensor
and voltage monitor with Simple Serial Transport (SST)
compatible serial digital interface, intended for use in PC
hardware monitor applications.
Communication of device capabilities, temperature and voltage
readings take place over the high-speed bi-directional SST
interface.
The SST temperature sensor provides a means for an analog
signal to travel over a digital bus enabling remote temperature
sensing in areas previously not monitored in the PC. The
temperature sensor supports an internal and external thermal
diode. aSC7531A is used with 2N3904 transistor connected as
a remote diode, aSC7531B is used with CPU substrate diode.
The aSC7531 is available in MSOP-10 surface mount
package.
Features
On-chip and remote temperature sensors
Accuracy:
o
+/- 3°C over operational range
o
Internal +/- 2°C over 40°C to 70°C
o
Remote +/- 1°C over 50°C to 70°C
Operational Range: -40°C to 125°C
Temperature resolution: 0.125°C
Voltage monitoring of 12V, 5V, 3.3V, 2.5V and Vccp
to +/- 2% accuracy, 7.8mV resolution
1-wire SST serial interface
Negotiable SST signaling rate up to 2-Mbps
Internally corrected for diode non-ideality and series
resistance
3-state address pin sets one of 3 SST bus address
0x48 through 0x4A
10-lead MSOP package
MSL-1 per JEDEC J-STD-020C
Pb-free Matte Sn lead finish & RoHS Compliant
Packages
Ordering Information
Pin Configuration
GND
SST
1
2
3
4
D-
9
ADD0
V
DD
D+
2.5V
8
Applications
Desktop and Notebook Computers
Application Diagram
Part Number
Package
Temp. Range and Operating Voltage
Marking
Supplied In
aSC7531AM10
10-Lead
MSOP
-40°C to 125°C, 3.3V
531A
Ayww
2500 units Tape &
Reel
aSC7531BM10
10-Lead
MSOP
-40°C to 125°C, 3.3V
531B
Ayww
2500 units Tape &
Reel
Ayww – Assembly site, year, workweek
6
7
aSC7531A/
aSC7531B
VCCP
3.3V
aSC7531A/
aSC7531B
SST
Interface
SST
ADD0
1
3
4
10
2
9
12V
5
5V
12V
10
5
5V
2N3904
V
CCP
2.5V
8
7
6
CPU
with aSC7531A
with aSC7531B
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