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ADT7490

更新时间: 2024-02-06 12:01:18
品牌 Logo 应用领域
亚德诺 - ADI 风扇监控控制器
页数 文件大小 规格书
76页 1623K
描述
dBCool Remote Thermal Monitor and Fan Controller with PECI Interface

ADT7490 技术参数

是否Rohs认证:符合生命周期:Transferred
零件包装代码:SSOP包装说明:SSOP, SSOP24,.24
针数:24Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.04Is Samacsys:N
模拟集成电路 - 其他类型:ANALOG CIRCUITJESD-30 代码:R-PDSO-G24
JESD-609代码:e3长度:8.6614 mm
功能数量:1端子数量:24
最高工作温度:125 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SSOP
封装等效代码:SSOP24,.24封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, SHRINK PITCH峰值回流温度(摄氏度):NOT SPECIFIED
电源:3.3 V认证状态:Not Qualified
座面最大高度:1.7526 mm子类别:Motion Control Electronics
最大供电电流 (Isup):5 mA最大供电电压 (Vsup):3.6 V
最小供电电压 (Vsup):3 V标称供电电压 (Vsup):3.3 V
表面贴装:YES温度等级:AUTOMOTIVE
端子形式:GULL WING端子节距:0.635 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3.9116 mmBase Number Matches:1

ADT7490 数据手册

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ADT7490  
Parameter  
Min  
Typ  
Max  
Unit  
Test Conditions/Comments  
OPEN-DRAIN SERIAL DATA BUS OUTPUT (SDA)  
Output Low Voltage, VOL  
High Level Output Current, IOH  
SMBus DIGITAL INPUTS (SCL, SDA)  
Input High Voltage, VIH  
0.4  
1.0  
V
μA  
IOUT = −4.0 mA  
VOUT = VCC  
0.1  
2.0  
V
Input Low Voltage, VIL  
0.4  
V
Hysteresis  
Digital I/O (PECI PIN)1  
500  
mV  
V
0.95  
1.26  
VTT, Supply Voltage  
2
Input High Voltage , VIH  
Input Low Voltage, VIL  
Hysteresis1  
0.55 × VTT  
V
V
2
0.5 × VTT  
2
0.1 × VTT  
mV  
mA  
mA  
mV p-p  
Hysteresis between input switching levels  
VOH = 0.75 × VTT  
VOL = 0.25 × VTT  
Noise glitches from 10 MHz to 100 MHz,  
width up to 50 ns  
High Level Output Source Current, ISOURCE  
Low Level Output Sink Current, ISINK  
Signal Noise Immunity, VNOISE  
6
1.0  
0.5  
300  
DIGITAL INPUT LOGIC LEVELS (TACH1 to  
TACH3)  
Input High Voltage, VIH  
2.0  
V
V
5.5  
0.8  
Maximum input voltage  
Minimum input voltage  
Input Low Voltage, VIL  
V
−0.3  
V
Hysteresis  
0.5  
V p-p  
DIGITAL INPUT LOGIC LEVELS (THERM)  
Input High Voltage, VIH  
Input Low Voltage, VIL  
DIGITAL INPUT CURRENT  
Input High Current, IIH  
Input Low Current, IIL  
Input Capacitance, CIN  
SERIAL BUS TIMING1  
0.75 × VCC  
0.4  
V
V
1
1
μA  
μA  
pF  
VIN = VCC  
VIN = 0  
5
See Figure 2  
Clock Frequency, fSCLK  
Glitch Immunity, tSW  
10  
400  
50  
kHz  
ns  
Bus Free Time, tBUF  
SCL Low Time, tLOW  
SCL High Time, tHIGH  
4.7  
4.7  
4.0  
μs  
μs  
μs  
50  
SCL, SDA Rise Time, tR  
SCL, SDA Fall Time, tF  
Data Setup Time, tSU;DAT  
Detect Clock Low Timeout, tTIMEOUT  
1000  
300  
ns  
μs  
ns  
ms  
250  
15  
35  
Can be optionally disabled  
1 Guaranteed by design, not production tested.  
2 VTT is the voltage input on Pin 8. The VTT voltage is determined by the processor installed on the system.  
tR  
tF  
tLOW  
tHD;STA  
SCL  
tHIGH  
tSU;STA  
tSU;STO  
tHD;STA  
tHD;DAT  
tSU;DAT  
SDA  
tBUF  
S
P
P
S
Figure 2. SMBus Timing Diagram  
Rev. 0 | Page 5 of 76  
 
 

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