參數(shù)資料
型號: MAX3444EESA+T
廠商: Maxim Integrated Products
文件頁數(shù): 17/19頁
文件大?。?/td> 0K
描述: IC TXRX J1708 8-SOIC
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
類型: 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù): 1/1
規(guī)程: J1708
電源電壓: 4.75 V ~ 5.25 V
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SOIC
包裝: 帶卷 (TR)
MAX3440E–MAX3444E
±15kV ESD-Protected, ±60V Fault-Protected,
10Mbps, Fail-Safe RS-485/J1708 Transceivers
_______________________________________________________________________________________
7
VCC
D
VOD
VOC
2
RL
2
RL
DI
A
B
Figure 1. Driver VOD and VOC
R
RO
0
VOH
IOH
(-)
IOL
(+)
VOL
VID
A
B
Figure 2. Receiver VOH and VOL
VCC
VOM
3V
0
VOH
VOM
VOL
VOH
VOL
50
Ω
RL
CL = 50pF
(NOTE 5)
GENERATOR
(NOTE 4)
D
DI
tPLHA
1.5V
A
B
OUT
S1
DI
1.5V
tPHLA
tPHLB
tPLHB
≈1.5V
VOH + VOL
2
VOM =
A
B
2
Test Circuits and Waveforms
VCC
50
Ω
RL
CL = 50pF (NOTE 5)
GENERATOR
(NOTE 4)
D
DI
OUT
CL
tDPLH
tDPHL
tLH
50%
1.5V
10%
(A–B)
DI
90%
50%
1.5V
10%
90%
3V
0
≈ 2.0V
tHL
≈ -2.0V
A
B
Figure 4. Driver Differential Output Delay and Transition Times
Figure 3. Driver Propagation Times
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