MAX3131EAI+ Maxim Integrated Products, MAX3131EAI+ Datasheet - Page 6

• Manufacturer Part Number: MAX3131EAI+
• Description: IC TXRX W/RS232 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: Lead free / RoHS Compliant

3V to 5.5V, IrDA Infrared Transceiver with
Integrated RS-232 Interface
6
(V
MAX3130
CC
_______________________________________________________________________________________
—
= AV
1
2
2V/div
2V/div
2V/div
2V/div
V
TEMIC BPV22NF
TRANSMIT POWER 200mW/sr
V
TEMIC BPV22NF
TRANSMIT POWER 200mW/sr
CC
CC
CC
PIN
= 3.3V, 115.2kbps AT 10cm DISTANCE
= 3.3V, 115.2kbps AT 1m DISTANCE
= 3.3V, GND = AGND = PGND, C1–C4 = 0.1µF, R
MAX3131
—
1
2
vs. INFRARED INPUT
vs. INFRARED INPUT
RXD OUTPUT
RXD OUTPUT
2 s/div
2 s/div
EDGEDET
NAME
T1IN
RXD
MAX3130 toc13
MAX3130 toc15
Edge Detector Output. EDGEDET goes low if activity is sensed on either the RS-232
receiver or the IrDA receiver, depending on the state of IRMODE. See
Detection Circuitry section.
IR Receiver TTL/CMOS Data Output
TTL/CMOS RS-232 Transmitter Input
RXD
OUTPUT
RXD
OUTPUT
INFRARED
INPUT
INFRARED
INPUT
Typical Operating Characteristics (continued)
L
= 3kΩ, T
A
= +25°C, unless otherwise noted.)
2V/div
2V/div
2V/div
2V/div
V
TEMIC BPV22NF
TRANSMIT POWER 200mW/sr
V
TEMIC BPV22NF
TRANSMIT POWER 200mW/sr
CC
CC
FUNCTION
= 3.3V, 2400bps AT 10cm DISTANCE
= 3.3V, 2400bps AT 1m DISTANCE
vs. INFRARED INPUT
vs. INFRARED INPUT
RXD OUTPUT
RXD OUTPUT
100 s/div
100 s/div
Pin Description
MAX3130 toc14
MAX3130 toc16
EDGEDET : Edge-
RXD
OUTPUT
INFRARED
INPUT
RXD
OUTPUT
INFRARED
INPUT