MAX3131EAI Maxim Integrated Products, MAX3131EAI Datasheet - Page 10

• Manufacturer Part Number: MAX3131EAI
• Description: IC TXRX RS2332 IRDA IR 28-SSOP
• Manufacturer: Maxim Integrated Products
• Type: Transceiverr

Specifications of MAX3131EAI

• Number Of Drivers/receivers: 2/2
• Protocol: RS232
• Voltage - Supply: 3 V ~ 5 V
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

3V to 5.5V, IrDA Infrared Transceiver with
Integrated RS-232 Interface
Figure 2. MAX3131 Functional Diagram
10
IrDA TRANSMIT
TRANSMIT
IrDA RECEIVE
OUTPUTS
LOGIC INPUT
RECEIVE
______________________________________________________________________________________
INPUTS
RS-232
RS-232
f
OFF
LOGIC
LOGIC
BAUD16
OUTPUT
LOGIC
ON
C1
C2
BAUD16
R2OUT
R1OUT
IRSD
C1+
C2+
T2IN
C1-
C2-
T1IN
RXD
TXD
Rx
RxIN
BIAS
ENDEC
TxIN
Tx
MAX3131
CHARGE PUMP
SHDN
5k
5k
1.2V
RSSD
V+
V-
T2OUT
V
GND
LEDC
PGND
PINC
AV
AGND
R1IN
R2IN
T1OUT
CC
C4
CC
1 F
C3
OFF
RS-232
INPUTS
RS-232
OUTPUTS
ON
R
SET
1 F