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MAX1481 Datasheet(PDF) 3 Page - Maxim Integrated Products

Part No. MAX1481
Description  Software-Selectable, Half-/Full-Duplex, Slew-Rate-Limited, 12Mbps, RS-485/RS-422 Transceivers in uMAX Package
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX1481 Datasheet(HTML) 3 Page - Maxim Integrated Products

 
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Driver Input to Output
Software-Selectable, Half-/Full-Duplex, Slew-Rate-Limited,
12Mbps, RS-485/RS-422 Transceivers in µMAX Package
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +5V ±5%, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V and TA = +25ºC.) (Note 1)
SWITCHING CHARACTERISTICS (MAX1484/MAX1486)
(VCC = 5V ±5%, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V and TA = +25°C.)
-7V
≤ VCM ≤ 12V
-7V
≤ VCM ≤ 12V
IO = 4mA, VID = -200mV
IO = -4mA, VID = 200mV
0.4V
≤ VO ≤ 2.4V
CONDITIONS
k
96
RIN
Receiver Input Resistance
µA
±1
IOZR
Three-State Output Current at
Receiver
mV
70
∆VTH
Receiver Input Hysteresis
mV
-200
200
VTH
Receiver Differential Threshold
Voltage
V
0.4
VOL
Receiver Output Low Voltage
V
3.5
VOH
Receiver Output High Voltage
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
0V
≤ VRO ≤ VCC
RE = GND, DE = VCC
mA
±95
IOSR
Receiver Output Short-Circuit
Current
µA
300
600
ICC
No-Load Supply Current
DE = GND, RE = VCC
µA
0.1
10
ISHDN
Supply Current in Shutdown
Mode (MAX1481 Only)
RDIFF = 54Ω, CL1 = CL2 = 100pF,
Figures 7 and 9
RDIFF = 54Ω, CL1 = CL2 = 100pF,
Figures 7 and 9
CONDITIONS
ns
5
10
tDSKEW
Driver Output Skew
| tDPLH - tDPHL |
30
60
tDPLH
ns
30
60
tDPHL
Driver Input to Output
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
CL = 15pF, S1 closed, Figures 8 and 10
CL = 100pF, S2 closed, Figures 8 and 10
CL = 100pF, S1 closed, Figures 8 and 10
ns
40
70
tDLZ
Driver Disable Time from Low
ns
40
70
tDZH
Driver Enable to Output High
ns
40
70
tDZL
Driver Enable to Output Low
Mbps
12
fMAX
Maximum Data Rate
CL = 15pF, S2 closed, Figures 8 and 10
CL = 100pF, S2 closed, Figures 6 and 12
CL = 100pF, S1 closed, Figures 6 and 12
ns
20
50
tRZH
Receiver Enable to Output High
ns
20
50
tRZL
Receiver Enable to Output Low
ns
40
70
tDHZ
Driver Disable Time from High
CL = 100pF, S2 closed, Figures 6 and 12
CL = 100pF, S1 closed, Figures 6 and 12
ns
20
50
tRHZ
Receiver Disable Time from High
ns
20
50
tRLZ
Receiver Disable Time from Low
Figures 11 and 13
ns
5
tRSKD
| tRPLH - tRPHL | Differential
Receiver Skew
Figures 11 and 13
ns
90
150
tRPLH,
tRPHL
Receiver Input to Output
RDIFF = 54Ω, CL1 = CL2 = 100pF,
Figures 7 and 9
ns
5
15
35
tDR, tDF
Driver Rise or Fall Time
RECEIVER
SUPPLY CURRENT


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