MAX3045BCUET 查看數據表（PDF） - Maxim Integrated
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MAX3045BCUET Datasheet PDF : 15 Pages
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±10kV ESD-Protected, Quad 5V RS-485/RS-422
Transmitters
SWITCHING CHARACTERISTICS—MAX3040/MAX3043
(VCC = +5V ±5%, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V and TA = +25°C.)
PARAMETER
Maximum Data Rate
Driver Propagation Delay
Driver Differential Output
Rise-Time/Fall-Time
SYMBOL
fMAX
CONDITIONS
tPLH
Figures 2 and 3,
tPHL
RDIFF = 54Ω, CDIFF = 50pF
tF
Figures 2 and 3,
tR
RDIFF = 54Ω, CDIFF = 50pF
MIN TYP
250
0.7
0.7
0.48 0.75
0.48 0.75
Skew Driver to Driver
tDSKEW
tSSKEW
Different chips
Same chip
Figures 2 and 3,
RDIFF = 54Ω,
CDIFF = 50pF
Driver Differential Output Skew
| tPLH - t PHL |
Driver Enable to Output High
Driver Enable from Shutdown to
Output High
Driver Enable to Output Low
Driver Enable from Shutdown to
Output Low
Driver Disable Time from Low
Driver Disable Time from High
tSKEW
Figures 2 and 3,
RDIFF = 54Ω, CDIFF = 50pF
tZH
MAX3040, Figures 4 and 5, S2 closed,
RL = 500Ω, CL = 100pF
Figures 4 and 5, S2 closed,
tZH(SHDN) RL = 500Ω, CL = 100pF
tZL
MAX3040, Figures 4 and 5, S1 closed,
RL = 500Ω, CL = 100pF
tZL(SHDN)
Figures 4 and 5, S1 closed,
RL = 500Ω, CL = 100pF
tLZ
Figures 4 and 5, S1 closed,
RL = 500Ω, CL = 15pF
tHZ
Figures 4 and 5, S2 closed,
RL = 500Ω, CL = 15pF
MAX
1.5
1.5
1.33
1.33
±350
±100
±100
2.0
2.0
2.0
2.0
500
500
UNITS
kbps
µs
µs
ns
ns
µs
µs
µs
µs
ns
ns
SWITCHING CHARACTERISTICS—MAX3041/MAX3044
(VCC = +5V ±5%, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V and TA = +25°C.)
PARAMETER
Maximum Data Rate
Driver Propagation Delay
Driver Differential Output
Rise-Time/Fall-Time
Skew Driver to Driver
Driver Differential Output Skew
| tPLH - t PHL |
Driver Enable to Output High
SYMBOL
fMAX
tPLH
tPHL
tF
tR
tDSKEW
tSSKEW
tSKEW
tZH
CONDITIONS
Figures 2 and 3,
RDIFF = 54Ω, CDIFF = 50pF
Figures 2 and 3,
RDIFF = 54Ω, CDIFF = 50pF
Different chips
Same chip
Figures 2 and 3,
RDIFF = 54Ω,
CDIFF = 50pF
Figures 2 and 3,
RDIFF = 54Ω, CDIFF = 50pF
MAX3041, Figures 4 and 5, S2 closed,
RL = 500Ω, CL = 100pF
MIN TYP
2.5
70
70
33
70
33
70
MAX
150
150
133
133
±52
±15
±15
400
UNITS
Mbps
ns
ns
ns
ns
ns
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