RP*
參數(shù)資料
型號(hào): DS2482X-100+T
廠商: Maxim Integrated Products
文件頁數(shù): 15/24頁
文件大小: 0K
描述: IC MASTER I2C-1WIRE 1CH 9-WLP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
控制器類型: I²C 總線控制器
接口: I²C
電源電壓: 2.9 V ~ 5.5 V
電流 - 電源: 750µA
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 9-WFBGA,WLBGA
供應(yīng)商設(shè)備封裝: 9-WLP
包裝: 帶卷 (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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