参数资料
型号: DS2153Q
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: Digital Transmission Controller
英文描述: DATACOM, FRAMER, PQCC44
封装: 0.652 INCH, PLASTIC, LCC-44
文件页数: 17/18页
文件大小: 292K
代理商: DS2153Q
MAX13442E/MAX13443E/MAX13444E
±15kV ESD-Protected, ±80V Fault-Protected,
Fail-Safe RS-485/J1708 Transceivers
8
_______________________________________________________________________________________
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
0V
VOH
VOM
VOL
VOH
VOL
50
Ω
RL
CL = 50pF
(NOTE 6)
GENERATOR
(NOTE 5)
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 6)
GENERATOR
(NOTE 5)
D
DI
OUT
CL
tDPLH
tDPHL
tLH
50%
1.5V
10%
(A–B)
DI
90%
50%
1.5V
10%
90%
3V
0V
≈ 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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