參數(shù)資料
型號(hào): LTC1392IS8#PBF
廠商: Linear Technology
文件頁(yè)數(shù): 1/12頁(yè)
文件大?。?/td> 252K
描述: IC DATA ACQ SYSTEM 10BIT 8-SOIC
標(biāo)準(zhǔn)包裝: 100
功能: 溫度監(jiān)控系統(tǒng)(傳感器)
傳感器類型: 內(nèi)部
感應(yīng)溫度: -40°C ~ 85°C
精確度: ±4°C
拓?fù)洌?/td> ADC,多路復(fù)用器,電壓基準(zhǔn)
輸出類型: 并聯(lián),串行
輸出警報(bào): 無(wú)
輸出風(fēng)扇: 無(wú)
電源電壓: 4.5 V ~ 6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SOIC
包裝: 管件
1
LTC1392
Micropower Temperature,
Power Supply and
Differential Voltage Monitor
1
2
3
4
8
7
6
5
V
CC
V
IN
+V
IN
GND
D
IN
D
OUT
CLK
CS
LTC1392
LTC1392 " TA01
5V
+
R
SENSE
I
LOAD
1礔
MPU
(e.g., 68HC11)
P1.4
P1.3
P1.2
TEMPERATURE (癈)
40
5
4
3
2
1
0
1
2
3
4
5
0
40    60
LTC1392 " TA02
20
20
80   100
LTC1392C
GUARANTEED
LIMIT
LTC1392I
GUARANTEED
LIMIT
TYPICAL
D
ESCRIPTIO
S
FEATURE
s
Complete Ambient Temperature Sensor Onboard
s
System Power Supply Monitor
s
10-Bit Resolution Rail-to-Rail Common-Mode
Differential Voltage Input
s
Available in 8-Pin SO and PDIP
s
0.2礎(chǔ) Supply Current When Idle
s
700礎(chǔ) Supply Current When Sampling at
Maximum Rate
s
Single Supply Voltage: 4.5V to 6V
s
3-Wire Half-Duplex Serial I/O
s
Communicates with Most MPU Serial Ports and All
MPU Parallel I/O Ports
The LTC
?/DIV>
1392 is a micropower data acquisition system
designed to measure temperature, on-chip supply voltage
and a differential voltage. The differential inputs feature
rail-to-rail common mode input voltage range. The LTC1392
contains a temperature sensor, a 10-bit A/D converter with
sample-and-hold, a high accuracy bandgap reference and
a 3-wire half-duplex serial interface.
The LTC1392 can be programmed to measure ambient
temperature, power supply voltage and an external volt-
age at the differential input pins, that can also be used for
current measurement using an external sense resistor.
When measuring temperature, the output code of the A/D
converter is linearly proportional to the temperature in 癈.
Production trimming achieves ?癈 initial accuracy at
room temperature and ?癈 over the full 40癈 to 85癈
temperature range.
The on-chip serial port allows efficient data transfer to a
wide range of MPUs over three or four wires. This,
coupled with low power consumption, makes remote
location sensing possible and facilitates transmitting
data through isolation barriers.
S
A
PPLICATI
s
Temperature Measurement
s
Power Supply Measurement
s
Current Measurement
s
Remote Data Acquisition
s
Environment Monitoring
, LTC and LT are registered trademarks of Linear Technology Corporation.
A
PPLICATI
TYPICAL
Complete Temperature, Supply Voltage and
Supply Current Monitor
Output Temperature Error
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