SP338ECR1-L Exar, SP338ECR1-L Datasheet - Page 7

• Manufacturer Part Number: SP338ECR1-L
• Description: RS-422/RS-485 Interface IC Multiprotocol Transceiver
• Manufacturer: Exar

Specifications of SP338ECR1-L

• Product Category: RS-422/RS-485 Interface IC
• Rohs: yes
• Data Rate: 20 Mbps
• Operating Supply Voltage: 3.3 V, 5 V
• Supply Current: 10 mA
• Operating Temperature Range: 0 C to + 70 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-40
• Function: Transceiver
• Maximum Operating Temperature: + 70 C
• Maximum Power Dissipation: 500 mW
• Minimum Operating Temperature: 0 C
• Number Of Drivers: 2
• Number Of Receivers: 4
• Propagation Delay Time Ns: 150 ns, 100 ns
• Shutdown: No

REV. 1.0.0
ELECTRICAL CHARACTERISTICS (Continued)
U
V
DIFFERENTIAL RECEIVER INPUTS (RS-485 / RS-422)
DIFFERENTIAL DRIVER OUTPUTS (RS-485 / RS-422)
CC
NLESS OTHERWISE NOTED
S
R
R
∆V
∆V
= +3.3V ±5% or +5.0V ±5%, C1-C4 = 0.1µF; T
∆V
YMBOL
V
I
V
V
R
TERM
TERM
OSD
I
I
CM
IN
OD
TH
O
IN
OD
CM
TH
Receiver Input Resistance
Receiver Differential Threshold
Voltage
Receiver Input Hysteresis
Receiver Input Current
Termination Resistance
Termination Resistance
Differential Driver Output
Change In Magnitude of
Differential Output Voltage
Driver CommonMode Output Voltage
Change In Magnitude of
Common Mode Output Voltage
Driver Output Short Circuit Current
Driver Output Leakage Current
:
P
ARAMETERS
RS-232/RS-485/RS-422 TRANSCEIVER WITH INTERNAL TERMINATION
A
= T
MIN
-200
M
-0.2
100
100
1.5
1.5
1.5
96
2
IN
to T
.
7
MAX
-125
T
120
120
25
YP
. Typical values are at V
.
M
±250
±100
-100
+0.2
V
V
V
V
125
155
140
-50
0.2
AX
CC
CC
CC
CC
3
.
U
mV
mV
mA
kΩ
µA
µA
µA
NITS
Ω
Ω
V
V
V
V
V
V
V
TERM = 0V,
-7V ≤ V
V
V
V
TERM = V
-7V ≤ V
TERM = V
V
R
R
V
V
R
R
R
-7V ≤ V
ENABLE = 0V,
or DIR1 = 0V and DIR2 = 0V in
full duplex modes,
-7V ≤ V
CM
IN
IN
CM
L
L
CM
CM
L
L
L
CC
= 100Ω (RS-422),
= 54Ω (RS-485),
= 54Ω or 100Ω,
= 54Ω or 100Ω,
= 54Ω or 100Ω,
= +12V
= -7V
= 0V
= 0V
= -7V,
= +12V,
= 3.3V, T
IN
CM
O
O
≤ +12V,
≤ +12V
≤ +12V
C
CC
CC
≤ +12V
Figure 11
ONDITIONS
,
,
Figure 11
Figure 9
Figure 9
A
= +25°C.
Figure 12
Figure 10
Figure 10
Figure 10
SP338E
Figure 10
Figure 10