參數(shù)資料
型號(hào): ICS1894KI-32LF
廠商: IDT, Integrated Device Technology Inc
文件頁(yè)數(shù): 24/50頁(yè)
文件大?。?/td> 0K
描述: PHYCEIVER LOW PWR 3.3V 32QFN
標(biāo)準(zhǔn)包裝: 490
類型: PHY 收發(fā)器
規(guī)程: MII,RMII
電源電壓: 3.14 V ~ 3.47 V
安裝類型: 表面貼裝
封裝/外殼: 32-VFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝: 32-QFN 裸露焊盤(pán)(5x5)
包裝: 托盤(pán)
ICS1894-32
10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
PHYCEIVER
IDT 10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
30
ICS1894-32
REV M 021512
Recommended Component Values
ICS1894-32 TCSR
Parameter
Minimum
Typical
Maximum
Tolerance
Units
TCSR Resistor Value
1.82k to GND
18.2k to VDD
–1%
Ω
LED Resistor Value
1k
Ω
Note:
1. The bias resistor network sets the 10baseT and 100baseTX output amplitude levels.
2. Amplitude is directly related to current sourced out of the TCSR pin.
3. Resistor values shown above are typical. User should check amplitudes and adjust for transformer effects.
4. The 18.2K resistor provides negative feedback to compensate for VDD changes. Reducing the value of
this resistor will lower the 100baseT amplitude. Reducing the value of the resistor to ground on the other
hand will increase the output signal amplitude.
ICS1894-32
78
VDD
TCSR
VDD
18.2K
Ω 1%
1.82K
Ω 1%
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參數(shù)描述
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