SP338ECR1-L Exar, SP338ECR1-L Datasheet - Page 4

• 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

SP338E
RS-232/RS-485/RS-422 TRANSCEIVER WITH INTERNAL TERMINATION
PIN DESCRIPTIONS BY MODE (MODE2, MODE1, MODE0)
Pin
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
Name
GND
GND
GND
VCC
GND
VCC
VDD
VSS
C1+
C2+
C2-
C1-
R9
R8
R7
R6
R4
R3
R2
R1
Figure 1
000,
T3 Output
T2 Output
T1 Output
R5 Input
R4 Input
R3 Input
R2 Input
R1 Input
Figure 2
001,
V
SS
V
R1 Input A
R1 Input B
DD
T1 Out A
T1 Out B
Figure 3
- Charge pump negative supply, 0.1uF from ground
C
C
010,
- Charge pump positive supply, 0.1uF to ground
1+
2+
C
C
- Charge pump cap 1 positive lead, 0.1uF
- Charge pump cap 2 positive lead, 0.1uF
2+
1-
- Charge pump cap 1 negative lead
- Charge pump cap 2 negative lead
R1 Input B
R2 Input A
T1 Out A
T1 Out B
Figure 4
4
011,
Ground
Ground
Ground
Ground
V
V
CC
CC
R2 Input B
R2 Input A
R1 Input B
R1 Input A
T2 Out A
T2 Out B
T1 Out A
T1 Out B
Figure 5
100,
R1 Input B
R1 Input A
T1 Out A
T1 Out B
Figure 6
101,
R1 Input A
R1 Input B
T1 Out A
T1 Out B
Figure 7
110,
R4 Input B
R4 Input A
R3 Input A
R3 Input B
R2 Input B
R2 Input A
R1 Input A
R1 Input B
T2 Out A
T2 Out B
T1 Out A
T1 Out B
REV. 1.0.0
Figure 8
111,