MAX3218EAP+ by Analog Devices

1µA, Supply Current, 1.8V to 4.25V-Powered RS-232 Transceiver with AutoShutdown


The MAX3218 RS-232 transceiver is intended for battery-powered EIA/TIA-232E and V.28/V.24 communications interfaces that need two drivers and two receivers with minimum power consumption from a single low-voltage supply. It provides a wide +1.8V to +4.25V operating voltage range while maintaining true RS-232 and EIA/TIA-562 voltage levels. The MAX3218 runs from two alkaline, NiCd, or NiMH cells without any form of voltage regulator. A guaranteed 120kbps data rate provides compatibility with popular software for communicating with personal computers. Supply current is reduced to 1µA with Maxim's new AutoShutdown™ feature. When the MAX3218 does not sense a valid signal level on the receiver inputs, the on-board power-supply and drivers shut down. This occurs if the RS-232 cable is disconnected or if the transmitters of the connected peripheral are turned off. The system turns on again when a valid level is applied to either RS-232 receiver input. As a result, the system saves power without changes to the existing software. Additionally, the MAX3218 can be forced into or out of shutdown, under logic control. While shut down, all receivers can remain active or can be disabled under logic control, permitting a system incorporating the CMOS MAX3218 to monitor external devices while in low-power shutdown. Three-state drivers are provided on both receiver outputs so that multiple receivers, generally of different interface standards, can be on the same bus. The MAX3218 is available in 20-pin DIP and SSOP packages.

Where to Buy

Prices starting from US$5.02

Distributor Stock
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Farnell
from US$5.70
7
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Analog Devices
from US$5.02
6,182
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Newark Electronics
from US$7.55
7
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element14
from US$6.04
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Features

1µA Supply Current Using AutoShutdown
Operates Directly from Two Alkaline, NiCd or NiMH Cells
+1.8V to +4.25V Single-Supply Voltage Range
120kbps Data Rate Guaranteed
Low-Cost Surface-Mount Components
Meets EIA/TIA-232E Specifications
Three-State Receiver Outputs
Flow-Through Pinout
On-Board DC-DC Converters
20-Pin SSOP and DIP Packages

Specifications

# Rx 2
# Tx 2
VSUPPLY (V) 1.8
Data Rate (kbps) (min) 120
ICC (mA) (typ) 2
Internal Charge Pump Yes
External Caps 2
Cap. Value (µF) (nom) 0.33/0.68
Package/Pins SSOP/20
BudgetaryPrice (See Notes) 3.19


MAX3218EAP+ Semiconductors - ICs by Analog Devices

TRANSCEIVER RS232 DUAL 20SSOP

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Device Type Transceiver
IC Interface Type RS232
No. of Drivers 2Drivers
No. of Receivers 2Receivers
Supply Voltage Min 1.8V
Supply Voltage Max 4.25V
Driver Case Style SSOP
No. of Pins 20Pins
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
MSL MSL 1 - Unlimited
IC Generic Number MAX3218
SVHC No SVHC (15-Jan-2018)
RoHS Phthalates Compliant To Be Advised
Operating Temperature Range -40°C to +85°C
Supply Voltage Range 1.8V to 4.25V

Alternative Descriptions

1µA, 1.8V to 4.25V RS-232 Tran | Analog Devices
Transceiver, Rs232, Dual, 20Ssop | Newark Electronics
TRANSCEIVER, RS232, DUAL, 20SSOP | element14

Frequently Asked Questions

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Is the MAX3218EAP+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

Which authorised distributors for MAX3218EAP+ have stock available?

Authorised distributors including Analog Devices, Newark Electronics, element14 and Farnell have stock available or on a lead time for MAX3218EAP+ .

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