MAX232D

Name: MAX232D
Brand: Texas Instruments
Availability: InStock
Rating: 4.5 (10 reviews)
Author: Lisleapex

High-speed transceiver MAX232D: 120Kbps, 2/2 channels, ROHS compliant

4,223 Effective Inventory

MAX232D

Effective Inventory4,223

High-speed transceiver MAX232D: 120Kbps, 2/2 channels, ROHS compliant

Manufacturer Part # : MAX232D
Package/Case: SOIC (D)-16
Brand: Texas Instruments
Product Categories : Drivers, Receivers, Transceivers
Series : MAX232

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MAX232D DataSheet

Pricing (USD)

Quantity	Unit Price	Ext. Price
1	$0.741	$0.74
10	$0.620	$6.20
40	$0.546	$21.84
80	$0.486	$38.88
400	$0.451	$180.40
800	$0.432	$345.60

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

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MAX232D Details

The MAX232D is a robust RS-232 interface IC from Texas Instruments, designed for reliable data transmission in noisy environments. This device is ideal for industrial communication applications, featuring high ESD protection, low power consumption, and a wide operating temperature range.

Key Features

High ESD protection for secure data transmission
Low power consumption for extended battery life
Wide operating temperature range for industrial and automotive applications

Applications

Industrial Automation: suitable for industrial automation systems where reliable data transmission is crucial
Automotive Systems: used in automotive communication systems, providing high ESD protection and reliability
Building Automation: applicable to building automation systems for efficient and reliable data communication

Where to Use

The MAX232D is suitable for applications that require reliable RS-232 communication, especially in industrial and automotive environments. It's ideal for systems where high ESD protection and low power consumption are important.

How to Use

Connect the MAX232D to your RS-232 bus by wiring the TxD, RxD, RTS, and CTS pins to the respective bus lines. Ensure proper power supply connections to VCC and GND. Use the RTS and CTS pins to control and monitor data transmission. For detailed usage instructions, refer to the datasheet.

Application Circuit

The application circuit diagram for the MAX232D illustrates how to connect the interface IC to an RS-232 bus. It includes connections for power supply, ground, and communication bus lines, ensuring proper operation and reliable data transmission.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

Maxim 2325: a similar RS-232 interface IC offering comparable features and performance.
STMicroelectronics MAX3232: an alternative RS-232 interface IC with equivalent functionality.

Complementary

The MAX232D can be complemented by the MAX2330, which offers additional features such as higher data speeds and enhanced ESD protection, suitable for more demanding communication applications.

When selecting complementary transceivers, ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.

Frequently Asked Questions

Q: What is the maximum data rate supported by the MAX232D?

A: The MAX232D supports data rates up to 19.2 Kbps. For more details, refer to the datasheet for specific operating conditions and limitations.

Q: Can the MAX232D be used in automotive communication systems?

A: Yes, the MAX232D is suitable for automotive communication systems, offering high ESD protection and reliable data transmission in demanding environments.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Drivers per package	2	Receivers per package	2
Logic voltage (min) (V)	5	Data rate (max) (MBps)	0.12
Main supply voltage (nom) (V)	5	ESD HBM (kV)	2
Rating	Automotive, Catalog	Operating temperature range (°C)	-40 to 85, 0 to 70
Vout (typ) (V)	9

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification MAX232D PDF Download

FAQs

What is MAX232D?

The MAX232D is a dual driver/receiver IC that is commonly used for converting signals between RS-232 and TTL voltage levels. It is designed to facilitate communication between devices with different voltage requirements, making it a popular choice in serial communication applications.

How Does MAX232D Work?

The MAX232D operates by converting RS-232 voltage levels (-15V to +15V) to TTL logic levels (0V to 5V) and vice versa. It uses charge-pump capacitors to generate the required voltage levels for signal conversion. The IC includes two drivers and two receivers, enabling bidirectional communication between RS-232 and TTL devices.

How Many Pins does MAX232D have and What are the Functions of the Pinout Configuration?

The MAX232D is typically available in a 16-pin DIP (Dual Inline Package) or SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

V+: Positive voltage supply.
V-: Negative voltage supply.
T1IN, T2IN: TTL/CMOS logic inputs for channels 1 and 2.
T1OUT, T2OUT: TTL/CMOS logic outputs for channels 1 and 2.
R1OUT, R2OUT: RS-232 outputs for channels 1 and 2.
R1IN, R2IN: RS-232 inputs for channels 1 and 2.
C1+ to C4+ and C1- to C4-: External capacitors connections for charge-pump operation.

What are the Pros and Cons of MAX232D?

Pros:

Signal Conversion: Facilitates seamless conversion between RS-232 and TTL voltage levels.
Integrated Drivers/Receivers: Includes drivers and receivers in one package for easy implementation.
Flexible Supply Voltage: Supports a wide range of supply voltages for compatibility.
Bidirectional Communication: Enables bidirectional data transmission between devices.
Widely Available: A commonly used IC with widespread availability and application notes.

Cons:

Additional Components: Requires external capacitors for charge-pump operation, adding to the component count.
Power Consumption: May consume more power compared to newer ICs with lower power profiles.
Handling Requirements: Sensitive to ESD (electrostatic discharge) and proper grounding practices for optimal performance.

Are There Any Equivalents/Alternatives to MAX232D for Recommendation?

The MAX3232 from Maxim Integrated is a similar IC with improved features and lower power consumption.
Alternatives to the MAX232D include the ST3232 from STMicroelectronics and the SP3232 from Exar.