SP3495E-3497E
7
REV. 1.0.0 HIGH SPEED +3.3V RS-485/RS-422 TRANSCEIVERS WITH +/-15KV ESD PROTECTION AND ADVANCED FAILSAFE
NOTE:
1. Change in Magnitude of Differential Output Voltage and Change in Magnitude of Common Mode Output Voltage
are the changes in output voltage when DI input changes state.
2. The transceivers are put into shutdown by bringing RE
High and DE Low simultaneously for at least 600ns. If the
control inputs are in this state for less than 50ns, the device is guaranteed not enter shutdown. If the enable inputs
are held in this state for at least 600ns the device is assured to be in shutdown. Note that the receiver and driver
enable times increase during shutdown
3. Gauranteed by design and bench characterization.
Thermal Shutdown Hysteresis 20 °C
ESD Protection at Pins A, B, Y and Z +/-15 kV Human Body Model
UNLESS OTHERWISE NOTED: VCC = +3.0V TO +3.6V WITH T
A
FROM -40
O
C TO +85
O
C. TYPICAL VALUES ARE AT
V
CC = +3.3V AND 25
O
C.
SYMBOL PARAMETERS MIN.TYP.MAX.UNITS CONDITIONS
SP3495E-3497E
8
HIGH SPEED +3.3V RS-485/RS-422 TRANSCEIVERS WITH +/-15KV ESD PROTECTION AND ADVANCED FAILSAFE REV. 1.0.0
FIGURE 3. DRIVER DC TEST CIRCUIT
FIGURE 4. DRIVER COMMON MODE LOAD TEST
FIGURE 5. DRIVER SHORT CIRCUIT CURRENT LIMIT TEST
R/2
R/2
V
OC
D
V
CC
V
OD
DI
A/Y
B/Z
D
DI = 0 or Vcc
60Ω
DE = 3.3V
V
OD
375Ω
375Ω
V
CM
A/Y
D
DI = 0 or Vcc
B/Z
DE = 0 or Vcc
I
OS D
100Ω
-7V to +12V
V
SP3495E-3497E
9
REV. 1.0.0 HIGH SPEED +3.3V RS-485/RS-422 TRANSCEIVERS WITH +/-15KV ESD PROTECTION AND ADVANCED FAILSAFE
FIGURE 6. DRIVER PROPAGATION DELAY TEST CIRCUIT
FIGURE 7. DRIVER PROPAGATION DELAY TIMING DIAGRAM
FIGURE 8. DRIVER ENABLE AND DISABLE TIME TEST CIRCUIT 1
Y
Z
D
DI
R
L
54Ω
C
L
50pF
3.3V
V
OD
Vcc
0V
DI
Y
Z
V
O
+
V
DIFF
V
Y
V
Z
0V
V
O
Vcc/2 Vcc/2
t
PLH
t
F
t
R
V
O
1/2V
O
1/2V
O
t
PHL
t
SKEW
= |t
DPLH
- t
DPHL
|
t
DPLH
t
DPHL
10%
90%
10%
90%
GENERATOR
50Ω
S1
R
L
= 500Ω
OUT
C
L
= 50pF
D
0 or Vcc
Z
Y
DI

SP3495EEN-L

Mfr. #:
Manufacturer:
MaxLinear
Description:
RS-422/RS-485 Interface IC Half Duplex RS-422/ RS-485 Transceive
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union