MAX3491CSD-G002 Maxim Integrated, MAX3491CSD-G002 Datasheet - Page 10

• Manufacturer Part Number: MAX3491CSD-G002
• Description: RS-422/RS-485 Interface IC
• Manufacturer: Maxim Integrated

Specifications of MAX3491CSD-G002

• Data Rate: 10 Mbps
• Operating Supply Voltage: 3 V to 3.6 V
• Supply Current: 2.2 mA
• Operating Temperature Range: 0 C to + 70 C
• Mounting Style: SMD/SMT
• Input Voltage: 3 V to 3.6 V
• Maximum Power Dissipation: 800 mW
• Output Current: 20 uA
• Output Voltage: - 7.5 V to + 12.5 V
• Product: RS-422/RS-485 Combination
• Propagation Delay Time Ns: 22 ns

Note 4: The input pulse is supplied by a generator with the following characteristics: PRR = 250kHz, 50% duty cycle, t
Note 5: C
3.3V-Powered, 10Mbps and Slew-Rate-Limited
True RS-485/RS-422 Transceivers
Figure 11. Receiver Propagation Delay
Figure 12. Receiver Enable and Disable Times
MAX3488/MAX3490/MAX3491
10
OUT
OUT
IN
IN
GENERATOR
(NOTE 4)
0.25V
L
1.5V
0V
includes probe and stray capacitance.
1.5V
-1.5V
1.5V
50
t
PRHZ
t
t
PRSH
PRZH
GENERATOR
S3
V
(NOTE 4)
ID
1.5V
1.5V
R
V
ID
50
R
3V
0V
V
0V
3V
0V
V
0V
OUT
V
OH
OH
OM
=
S1 OPEN
S2 CLOSED
S3 = 1.5V
S1 OPEN
S2 CLOSED
S3 = 1.5V
C
(NOTE 5)
V
CC
L
2
= 15pF
C
(NOTE 5)
L
1k
OUT
IN
OUT
OUT
IN
IN
t
RPLH
S1
S2
1.5V
1.5V
V
t
OM
PRLZ
0.25V
t
t
PRZL
PRSL
1.5V
1.5V
V
CC
1.5V
V
OM
r
≤ 6.0ns, Z
t
RPHL
3V
0V
V
V
3V
0V
V
V
CC
OL
CC
OL
Maxim Integrated
S1 CLOSED
S2 OPEN
S3 = -1.5V
S1 CLOSED
S2 OPEN
S3 = -1.5V
3.0V
0V
O
V
0V
CC
= 50Ω.