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MAX238CWG
+NomenclatureIC TRANSCEIVER FULL 4/4 24SOIC
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FabricantAnalog Equipment GmbH / intégration Maxim
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Pièce fabricant #MAX238CWG
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Fiche technique MAX238CWG DataSheet
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En stock5471
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Spécifications
| Attribut | Valeur |
| Part Status | Obsolete |
| Type | Transceiver |
| Protocol | RS232 |
| Number of Drivers/Receivers | 4/4 |
| Duplex | Full |
| Receiver Hysteresis | 500 mV |
| Data Rate | 120Kbps |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | 0°C ~ 70°C |
| Mounting Type | Surface Mount |
| Package / Case | 24-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 24-SOIC |
| Base Product Number | MAX238 |
Présentation
Description
Key features include a dual charge pump that generates the necessary positive and negative voltage levels for RS-232 signals, allowing for straightforward interfacing without the need for external components. The MAX238CWG can support data rates up to 120 kbps, making it suitable for a variety of communication tasks.
It is housed in a 20-pin wide SOIC package, ensuring easy integration into circuit designs. The MAX238CWG is ideal for applications such as microcontroller communication, data acquisition systems, and industrial automation. Its combination of efficiency, reliability, and ease of use makes it a popular choice for engineers designing serial communication systems.
Equivalent
1. MAX232: Standard dual driver/receiver.
2. SP232: Similar functionality with lower power consumption.
3. TC232: Another alternative with similar specs.
4. ADM213: Provides RS-232 interface with additional features.
5. SN75160: RS-232 compatible line driver/receiver.
Always verify compatibility in specific applications, including voltage levels and pin configurations.
Features
1. Dual-channel operation: Supports two independent RS-232 communication channels.
2. Data rates: Operates at data rates up to 250 kbps.
3. Low power consumption: Designed for battery-operated devices with a low supply current.
4. High speed: Achieves fast switching times, ensuring reliable communication.
5. Voltage level translation: Converts TTL/CMOS logic levels to RS-232 levels.
6. Wide supply voltage range: Operates from +3V to +5V, accommodating various applications.
7. Integrated capacitors: Internal charge pumps reduce external component count.
8. Enhanced ESD protection: Offers improved protection against electrostatic discharge, ensuring durability in harsh environments.
9. Small package: Available in a space-saving SOIC package, suitable for compact designs.
These features make the MAX238CWG ideal for applications in telecommunications, industrial control, and portable devices.
Pinout
The pin count is 20, and the functions of the pins include:
1. V+ (Pin 1): Positive power supply.
2. GND (Pin 2): Ground reference.
3. T1IN (Pin 3): Transmit data input from the TTL side.
4. R1OUT (Pin 4): Receive data output to the TTL side.
5. T1OUT (Pin 5): Transmit data output to the RS-232 side.
6. R1IN (Pin 6): Receive data input from the RS-232 side.
7. T2IN (Pin 7): Second transmit data input.
8. R2OUT (Pin 8): Second receive data output.
9. T2OUT (Pin 9): Second transmit data output.
10. R2IN (Pin 10): Second receive data input.
Additional pins include various control and disable functions. The transceiver is suitable for applications requiring efficient signal conversion for serial communication.
Manufacturer
Application
1. Embedded Systems: Facilitates UART communications between microcontrollers and peripheral devices.
2. Industrial Automation: Enables reliable data transfer in control systems and machinery.
3. Telecommunications: Used in modems and communication interfaces.
4. Data Acquisition Systems: Connects sensors and data loggers in remote monitoring applications.
5. Point-of-Sale Systems: Integrates with card readers and other transaction devices.
Its low power consumption and integrated capacitors make it suitable for battery-operated devices.