MAX3131EAI-T Maxim Integrated, MAX3131EAI-T Datasheet - Page 14

• Manufacturer Part Number: MAX3131EAI-T
• Description: RS-232 Interface IC
• Manufacturer: Maxim Integrated
• Series: MAX3130, MAX3131r

Specifications of MAX3131EAI-T

• Data Rate: 120 Kbps
• Operating Supply Voltage: 3 .3 V, 5 V
• Supply Current: 0.1 mA
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Function: Transceiver
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Number Of Drivers: 2
• Number Of I/os: 8
• Number Of Receivers: 2
• Propagation Delay Time Ns: 0.3 us
• Shutdown: Yes

3V to 5.5V, IrDA Infrared Transceiver with
Integrated RS-232 Interface
Table 2. Required Capacitor Values
Figure 4. Using the MAX3130 and a Single UART to Perform Both IrDA and RS-232 Communication
Figure 5. Using the MAX3131 and Two UARTs to Perform Simultaneous IrDA and RS-232 Communication
14
______________________________________________________________________________________
3.0 to 3.6
4.5 to 5.5
3.0 to 5.5
V
NON-IrDA UART
(UART1)
CC
(V)
BAUD16
P
P
I/O
TX
RX
232
C1 (µF)
SPI
IrDA
0.047
0.1
0.1
DIN
DOUT
SCLK
CS
STANDARD
MAX3100
NON-IrDA
UART2
UART
C2, C3, C4 (µF)
BAUD16
RTS
CTS
CTS
RTS
0.33
0.47
Rx
Rx
Tx
0.1
Tx
T1IN
R1OUT
T2IN
R2OUT
TXD
RXD
BAUD16
T1IN
R1OUT
T2IN
R2OUT
BAUD16
IRMODE
MAX3131
MAX3130
T1OUT
T2OUT
T1OUT
T2OUT
LEDC
LEDC
PINC
PINC
R1IN
R2IN
R1IN
R2IN
RS-232
RS-232
IrDA
IrDA
1 2 3 4 5
1 2 3 4 5
6 7 8 9
6 7 8 9
DB-9
DB-9