MAX3291 Maxim, MAX3291 Datasheet - Page 3

• Manufacturer Part Number: MAX3291
• Description: RS-485/RS-422 Transceivers with Preemphasis for High-Speed / Long-Distance Communication
• Manufacturer: Maxim

DC ELECTRICAL CHARACTERISTICS (continued)
(Typical Operating Circuit, V
noted. Typical values are at V
SWITCHING CHARACTERISTICS
(Typical Operating Circuit, V
Typical values are at V
RECEIVER
Input Current (A and B)
Receiver Differential
Threshold Voltage
Receiver Input Hysteresis
Receiver Output High Voltage
Receiver Output Low Voltage
Three-State Output Current at
Receiver
Receiver Input Resistance
Receiver Output Short-Circuit
Current
SUPPLY CURRENT
No-Load Supply Current
Supply Current in Shutdown
Mode
Driver Propagation Delay
Driver Differential Output
Rise or Fall Time
Driver Preemphasis Interval
Preemphasis Voltage Level to
Normal Voltage Level Delay
Differential Driver Output
Skew t
Maximum Data Rate
for High-Speed, Long-Distance Communication
RS-485/RS-422 Transceivers with Preemphasis
PARAMETER
PARAMETER
DPLH
- t
DPHL
_______________________________________________________________________________________
CC
= +5V and T
CC
CC
CC
= +5V ±5%, R
= +5V ±5%, R
I
= +5V and T
SYMBOL
SYMBOL
CC +
t
DSKEW
I
t
t
t
∆V
I
I
SHDN
f
I
V
DPLH
DPHL
t
PTND
V
V
OZR
R
OSR
MAX
A
t
t
PRE
HL
LH
OH
OL
TH
,
IN
TH
I
A
B
CCD
= +25°C.)
DE = GND,
V
-7V ≤ V
V
I
I
0 ≤ V
-7V ≤ V
0 ≤ V
RE = GND, DE = V
RE = V
floating
Figures 3 and 5, R
C
Figures 3 and 5, R
C
Figures 3 and 10,
R
C
Figures 3 and 10, R
C
Figures 3 and 5, R
C
A
O
O
CC
A
DIFF
L1
L1
L1
L1
L1
PSET
PSET
= +25°C.) (Note 1)
= -4mA, V
= 4mA, V
= V
= C
= C
= C
= C
= C
= GND or 5.25V
O
RO
= 54Ω,
B
CC,
CM
≤ V
CM
= 0 (MAX3292), V
= 0 (MAX3292), V
L2
L2
L2
L2
L2
≤ V
= 0
CC
≤ +12V
≤ +12V
DE = GND, V
= 50pF
= 50pF
= 50pF
= 50pF
= 50pF
CC
A
A
- V
- V
B
CONDITIONS
CONDITIONS
B
DIFF
DIFF
DIFF
= -V
CC
= V
DIFF
TH
TH
= 54Ω,
= 54Ω,
= 54Ω,
Y
= 54Ω,
V
V
MAX3291/MAX3292,
R
MAX3292,
R
= V
CC
CC
IN
IN
PSET
PSET
= +12V
= -7V
Z
= V
= V
= 0 to V
= 0
= 523kΩ
CCD
CCD
(MAX3292), T
(MAX3292), T
CC
or
A
A
-200
0.75
MIN
±15
MIN
3.5
48
80
10
= T
= +25°C, unless otherwise noted.
MIN
to T
TYP
TYP
100
0.1
2.0
0.1
35
41
44
12
30
1
3
MAX
, unless otherwise
MAX
MAX
-150
1.25
±95
250
200
120
0.4
3.0
±1
65
65
1
8
UNITS
UNITS
Mbps
mV
mV
mA
mA
kΩ
µA
µA
µA
ns
ns
ns
µs
ns
ns
V
V
3