参数资料
型号: DS2482X-100+T
厂商: Maxim Integrated Products
文件页数: 15/24页
文件大小: 0K
描述: IC MASTER I2C-1WIRE 1CH 9-WLP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
控制器类型: I²C 总线控制器
接口: I²C
电源电压: 2.9 V ~ 5.5 V
电流 - 电源: 750µA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 9-WFBGA,WLBGA
供应商设备封装: 9-WLP
包装: 带卷 (TR)
Single-Channel 1-Wire Master
DS2482-100
SDA
SCL
AD1
AD0
PCTLZ
IO
RP*
*RP = I2C PULLUP RESISTOR (SEE THE APPLICATIONS INFORMATION SECTION FOR RP SIZING).
VCC
CURRENT-LIMITING
RESISTOR
REFER TO APPLICATION
NOTE 4206
1-Wire LINE
1-Wire DEVICE #1
(WITH SPECIAL POWER
REQUIREMENTS)
1-Wire
DEVICE #2
DS2482-100
SDA
SCL
AD0
AD1
PCTLZ
IO
μC
(I2C PORT)
Figure 10. Application Schematic
MINIMUM RP
MAX LOAD AT MIN RP FAST MODE
2000
MINIMUM
R
P(
Ω
)
LOAD
(pF)
PULLUP VOLTAGE (V)
1600
1200
800
400
12
3
4
5
0
500
400
300
200
100
0
Figure 11. I2C Fast Mode Pullup Resistor Selection Chart
reduced bus capacitance of 300pF is acceptable for
pullup voltages of 4V and lower. For fast speed operation
at any pullup voltage, the bus capacitance must not
exceed 200pF. The corresponding pullup resistor value
at the voltage is indicated by the “MINIMUM RP” line.
DS2482-100
22
Maxim Integrated
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