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Analog Devices AD231AR — Analog & Data Acquisition
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RoHS Compliant · Lead-Free EIA-481 Standard
Analog Devices / Analog & Data Acquisition

AD231AR RS-232 Transceiver, 2/2 Driver/Receiver, 16-SOIC

MPN AD231AR
End of Life Spot Stock · 24-48h Dispatch 100% Original Sealed

AD231AR, AD231 series, RS-232 transceiver, full duplex, 2/2 drivers/receivers, 500 mV receiver hysteresis, dual supply 4.5V–5.5V / 7.5V–13.2V, -40°C to 85°C, 16-SOIC surface-mount package.

In Stock: 1,771 pcs
MOQ: 1 pcs
Logistics: DHL / FedEx DAP (Global Express · 3-7d) Russia & CIS DDP (Door-to-Door Cleared)
Dispatch: Shenzhen / HK
Unit Price (USD)
$1.47 / pc
Direct Purchase Ready
Volume Pricing Breaks Confirmed upon quotation
1+ pcs
$1.47
10+ pcs
$1.32
30+ pcs
$1.21
100+ pcs
$1.09
500+ pcs
$1.01
1,000+ pcs
$0.96
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$1.47 / ea

1,771 in stock — maximum per order · 3–4 days lead time

$1.32 / ea from 10 pcs
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100% Original Sealed 45x Microscope QC 30-Day Warranty · COC USD T/T & PI · DAP/DDP
[SPEC] Essential Parameters Snapshot Full Specifications (11)
Package / Case 16-SOIC (0.154", 3.90mm Width)
Supply Voltage 4.5V ~ 5.5V, 7.5V ~ 13.2V

Full Technical Specifications

11 Parameters
AD231AR specifications
Parameter / AttributeSpecification / Value
TypeTransceiver
SeriesAD231
MountingSurface Mount
Supply voltage4.5V ~ 5.5V, 7.5V ~ 13.2V
ProtocolRS232
Operating temperature-40°C ~ 85°C
DuplexFull
PackageBulk
Case16-SOIC (0.154\", 3.90mm Width)
Receiver hysteresis500 mV
Number of drivers (Receivers)2/2
Series Sibling Variants

Analog Devices AD231 Series Models

Sibling variants, package options, and speed/density grades in this Analog Devices semiconductor series. Active Shenzhen warehouse allocation and rapid 24-48h dispatch.

AD231AN
Analog Devices AD231AN RS232 transceiver, full-duplex, 2/2 driver/receiver, 14-DIP (0.300", 7.62mm) through-hole package, 4.5V~5.5V / 7.5V~13.2V supply, -40°C to 85°C.
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Technical Details & Description

RS-232 transceiver with dual-rail supply and 500 mV hysteresis

The AD231AR is a full-duplex RS-232 transceiver with two drivers and two receivers, housed in a 16-SOIC surface-mount package. It is part of the AD231 series and operates over the industrial temperature range of -40°C to 85°C, making it suitable for factory automation, outdoor telecom, and instrumentation panels where serial communication must survive thermal cycling. Receiver hysteresis is 500 mV.

RoHS non-compliance — plan for exemptions or lead-free alternative

RoHS status is non-compliant.

Frequently asked questions

Is AD231AR compatible with 5V logic?

Yes — the logic supply range of 4.5V to 5.5V directly accepts standard 5V CMOS/TTL logic levels without external level shifting.

Is AD231AR equivalent to MAX232?

Both are full-duplex RS-232 transceivers with 2/2 driver/receiver counts, but the AD231AR uses a dual-rail supply (5V logic + 7.5–13.2V charge-pump) versus the MAX232's single 5V supply with internal charge pump. They are not pin-compatible; verify the supply scheme before substituting.

What is AD231AR's listed type and duplex?

The device type is Transceiver, and the duplex mode is Full — it can transmit and receive simultaneously on separate signal pairs.

AD231AR
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