Rainbow Electronics MAX3469 - Manual (Page 3)

MAX3465–MAX3469
+5V, Fail-Safe, 40Mbps, Profibus RS-485/
RS-422 Transceivers
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ELECTRICAL CHARACTERISTICS (continued)
(V CC = +5V ±5%, T A = T MIN to T MAX , unless otherwise noted. Typical values are at V CC = +5V and T A = +25°C.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Receiver Differential Threshold
Voltage
V TH -7V ≤ V
CM
≤ +12V -200 -125 -50 mV
Receiver Input Hysteresis ∆V
TH V CM = 0 20 mV
Receiver Output High Voltage V OH I O = -4mA, V A - V B = V TH V CC - 1.5 V
Receiver Output Low Voltage V OL I O = 4mA, V B - V A = V TH 0.4 V
Three-State Output Current at
Receiver
I OZR 0 ≤ V
O
≤ V
CC
±1 µA
Receiver Input Resistance R IN -7V ≤ V
CM
≤ +12V 48 k Ω
Receiver Output Short-Circuit
Current
I OSR 0 ≤ V
RO
≤ V
CC ±7 ±95 mA
ESD Protection
A, B, Y, and Z pins
(MAX3467/MAX3468/MAX3469)
±6 kV
SUPPLY CURRENT
N or m al O p er ati on
( S tati c C ond i ti on)
I Q No load, DI = V CC or DI = GND 2.5 4 mA
Supply Current in SHDN I SHDN DE = GND and RE = V CC , or SHDN = V CC 1 10 µA
SWITCHING CHARACTERISTICS
t
PLH
Driver Propagation Delay
t PHL
Figures 6 and 7, R DIFF = 54 Ω,
C L = 50pF
15 ns
t R Driver Differential Output Rise or
Fall Time
t F
Figures 6 and 7, R DIFF = 54 Ω,
C L = 50pF
10 ns
Driver Output Skew |t PLH - t PHL | t SKEW
Figures 6 and 7, R DIFF = 54 Ω,
C L = 50pF, TXP = GND or floating
2 ns
Driver Output Transition Skew Guaranteed by design 1 ns
Maximum Data Rate 30 40 Mbps
Driver Enable to Output High t ZH
Figures 8 and 9, S2 closed, R L = 500 Ω,
C L = 50pF
30 ns
Driver Enable to Output Low t ZL
Figures 8 and 9, S1 closed, R L = 500 Ω,
C L = 50pF
30 ns
Driver Disable Time from Low t LZ
Figures 8 and 9, S1 closed, R L = 500 Ω,
C L = 50pF
30 ns
Driver Disable Time from High t HZ
Figures 8 and 9, S2 closed, R L = 500 Ω,
C L = 50pF
30 ns
Driver Enable Skew Time |t ZL - t ZH |
R L = 500 Ω, C
L = 50pF, S1 closed (Figures
8 and 9), output low
5 ns
Driver Disable Skew Time |t ZL - t ZH |
R L = 500 Ω, C
L = 50pF, S2 closed (Figures
8 and 9), output high
5 ns
t PLH
Receiver Propagation Delay
t PHL
Figure 10, C L = 15pF (Note 4) 20 ns