MAX232MJE/883B

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level translator and RS-232 interface
• Characteristics: Low-power, dual driver/receiver, ±15kV ESD protection
• Package: Ceramic DIP (Dual In-line Package)
• Essence: Translates TTL/CMOS logic levels to RS-232 voltage levels
• Packaging/Quantity: Tube packaging, 1 piece per tube

Specifications

• Supply Voltage: ±5V to ±15V
• Operating Temperature Range: -40°C to +85°C
• Data Rate: Up to 120kbps
• Number of Channels: 2
• Input Logic Levels: TTL/CMOS compatible
• Output Voltage Swing: ±5V
• ESD Protection: ±15kV (Human Body Model)

Pin Configuration

The MAX232MJE/883B has a total of 16 pins. The pin configuration is as follows:

1. V+ (Positive Power Supply)
2. C1+ (Capacitor 1 Positive Terminal)
3. C1- (Capacitor 1 Negative Terminal)
4. V- (Negative Power Supply)
5. C2- (Capacitor 2 Negative Terminal)
6. C2+ (Capacitor 2 Positive Terminal)
7. T1OUT (Transmitter 1 Output)
8. R1IN (Receiver 1 Input)
9. R1OUT (Receiver 1 Output)
10. T1IN (Transmitter 1 Input)
11. T2IN (Transmitter 2 Input)
12. R2OUT (Receiver 2 Output)
13. R2IN (Receiver 2 Input)
14. T2OUT (Transmitter 2 Output)
15. GND (Ground)
16. VCC (Positive Power Supply)

Functional Features

• Provides voltage level translation between TTL/CMOS logic levels and RS-232 voltage levels
• Contains two drivers and two receivers for bidirectional communication
• Offers ±15kV ESD protection to safeguard against electrostatic discharge

Advantages and Disadvantages

Advantages: - Low-power consumption - Wide operating temperature range - High data rate capability - Compact and durable ceramic DIP package - ESD protection ensures reliability in harsh environments

Disadvantages: - Limited number of channels (2) - Requires external capacitors for proper operation

Working Principles

The MAX232MJE/883B operates by converting TTL/CMOS logic levels to RS-232 voltage levels using charge pumps. The charge pumps generate positive and negative voltages required for RS-232 communication. The drivers and receivers enable bidirectional data transmission between TTL/CMOS devices and RS-232 interfaces.

Detailed Application Field Plans

The MAX232MJE/883B is commonly used in various applications, including:

1. Serial communication interfaces
2. Microcontroller-based systems
3. Industrial automation
4. Networking equipment
5. Embedded systems
6. Test and measurement instruments

Alternative Models

Here are some alternative models that can be used as replacements for the MAX232MJE/883B:

1. MAX3232ESE+: Similar functionality with enhanced ESD protection.
2. MAX202CPG: Lower power consumption and smaller package size.
3. SP3232EEN-L/TR: Higher data rate capability and lower supply voltage range.

These alternatives offer similar features and can be selected based on specific requirements and availability.

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