Electrical characteristics (continued) – Rainbow Electronics MAX3469 User Manual
Page 3
MAX3465–MAX3469
+5V, Fail-Safe, 40Mbps, Profibus RS-485/
RS-422 Transceivers
_______________________________________________________________________________________
3
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