ADM238LARZ Analog Devices Inc, ADM238LARZ Datasheet - Page 11

• Manufacturer Part Number: ADM238LARZ
• Description: Quad Transmitter/Receiver RS-232 24-Pin SOIC W
• Manufacturer: Analog Devices Inc
• Type: Transceiverr

Specifications of ADM238LARZ

• Package: 24SOIC W
• Data Transmission Topology: Point-to-Point
• Interface Standards: EIA-232-E|RS-232|V.28
• Data Rate: 0.12 Mbps
• Function: Line Transmitter/Receiver
• Number Of Transmitters: 4
• Transmitter Signal Type: Single-Ended
• Transmitter Communication Type: RS-232
• Typical Single Supply Voltage: 5 V
• Number Of Drivers/receivers: 4/4
• Protocol: RS232
• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Surface Mount
• Package / Case: 24-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TTL/CMOS
TTL/CMOS
OUTPUTS
INPUTS
1
1
2
INTERNAL 400kΩ PULL-UP RESISTOR ON EACH TTL/CMOS INPUT.
INTERNAL 5kΩ PULL-DOWN RESISTOR ON EACH RS-232 INPUT.
R1
R2
R3
R4
R5
+16V
T1
T2
T3
1µF
OUT
OUT
OUT
OUT
OUT
EN
IN
IN
IN
Figure 24. ADM239L Typical Operating Circuit
C1+
C1–
+12V TO –12V
GND
INVERTER
VOLTAGE
T1
T2
T3
R2
R4
R5
R1
R3
ADM239L
V
CC
V+
V–
+5V INPUT
+7.5V TO +13.2V
INPUT
+16V
T1
T2
T3
R1
R2
R3
R4
R5
NC
1µF
1µF
OUT
OUT
OUT
IN
IN
IN
IN
IN
RS-232
OUTPUTS
RS-232
INPUTS
2
Rev. C | Page 11 of 20
TTL/CMOS
TTL/CMOS
OUTPUTS
INPUTS
ADM231L–ADM234L/ADM236L–ADM241L
1
1
2
INTERNAL 400kΩ PULL-UP RESISTOR ON EACH TTL/CMOS INPUT.
INTERNAL 5kΩ PULL-DOWN RESISTOR ON EACH RS-232 INPUT.
R1
R2
R3
R4
R5
+16V
+16V
T1
T2
T3
T4
1 µ F
1 µ F
OUT
OUT
OUT
OUT
OUT
EN
IN
IN
IN
IN
Figure 25. ADM241L Typical Operating Circuit
C1+
C1–
C2+
C2–
+10V TO –10V
+5V TO +10V
GND
DOUBLER
INVERTER
VOLTAGE
VOLTAGE
T1
T2
T3
T4
R2
R4
R5
R1
R3
ADM241L
V
V+
V–
CC
+5V INPUT
+6.3V
1 µ F
T1
T2
T3
T4
R1
R2
R3
R4
R5
SD
+16V
1 µ F
OUT
OUT
OUT
OUT
IN
IN
IN
IN
IN
RS-232
OUTPUTS
RS-232
INPUTS
+6.3V
1 µ F
2