MAX3131EAI-T Maxim Integrated, MAX3131EAI-T Datasheet - Page 6

• 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
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