参数资料
型号: LTC2990IMS#TRPBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 电源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10
封装: LEAD FREE, PLASTIC, MSOP-10
文件页数: 1/24页
文件大小: 236K
代理商: LTC2990IMS#TRPBF
LTC2990
1
2990fa
TYPICAL APPLICATION
FEATURES
APPLICATIONS
DESCRIPTION
Quad I2C Voltage, Current
and Temperature Monitor
The LTC2990 is used to monitor system temperatures,
voltages and currents. Through the I2C serial interface,
the device can be configured to measure many combi-
nations of internal temperature, remote temperature,
remote voltage, remote current and internal VCC. The
internal 10ppm/°C reference minimizes the number of
supporting components and area required. Selectable
address and configurable functionality give the LTC2990
flexibility to be incorporated in various systems needing
temperature, voltage or current data. The LTC2990 fits
well in systems needing sub-millivolt voltage resolution,
1% current measurement and 1°C temperature accuracy
or any combination of the three.
Temperature Total Unadjusted Error
n
Temperature Measurement
n
Supply Voltage Monitoring
n
Current Measurement
n
Remote Data Acquisition
n
Environmental Monitoring
n
Measures Voltage, Current and Temperature
n
Measures Two Remote Diode Temperatures
n
±1°C Accuracy, 0.06°C Resolution
n
±2°C Internal Temperature Sensor
n
14-Bit ADC Measures Voltage/Current
n
3V to 5.5V Supply Operating Voltage
n
Four Selectable Addresses
n
Internal 10ppm/°C Voltage Reference
n
10-Lead MSOP Package
VCC
V1
LTC2990
TINTERNAL
RSENSE
2.5V
5V
GND
SDA
SCL
ADR0
ADR1
MEASURES: TWO SUPPLY VOLTAGES,
SUPPLY CURRENT, INTERNAL AND
REMOTE TEMPERATURES
V3
V4
V2
ILOAD
TREMOTE
2990 TA01a
Voltage, Current, Temperature Monitor
L
, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and Easy
Drive is a trademark of Linear Technology Corporation. All other trademarks are the property of
their respective owners.
TAMB (°C)
–50
TUE
(°C)
25
2990 TA01b
1.0
0
–25
0
50
–0.5
–1.0
0.5
75
100 125
TREMOTE
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LTC2991IMS#TRPBF 功能描述:IC MONITOR OCTAL 16MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 热管理 系列:- 标准包装:2,500 系列:SilentSense™ 功能:温度监控系统(传感器) 传感器类型:内部和外部 感应温度:-55°C ~ 125°C,外部传感器 精确度:±2°C 本地(最大),±3°C 远程(最大) 拓扑:ADC(三角积分型),比较器,寄存器库 输出类型:I²C?/SMBus? 输出警报:是 输出风扇:是 电源电压:2.7 V ~ 5.5 V 工作温度:-55°C ~ 125°C 安装类型:表面贴装 封装/外壳:8-TSSOP,8-MSOP(0.118",3.00mm 宽) 供应商设备封装:8-MSOP 包装:带卷 (TR) 其它名称:MIC284-2BMMTRMIC284-2BMMTR-ND
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