Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| Type | Transceiver |
| Protocol | RS232 |
| NumberofDrivers/Receivers | 2/2 |
| Duplex | Full |
| ReceiverHysteresis | 300 mV |
| DataRate | 250kbps |
| Voltage-Supply | 3V ~ 5.5V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 16-SSOP (0.209, 5.30mm Width) |
Tổng quan
Description
The MAX3232IDBR is a 3.0V to 5.5V RS-232 transceiver from Texas Instruments, designed for serial communication in industrial and embedded systems. It features two drivers and two receivers, supporting full-duplex communication at up to 250kbps.
Key features:
- Low power consumption (1µA in shutdown mode).
- ±15kV ESD protection on I/O lines for robustness.
- Operates with minimal external components (only four 0.1µF capacitors needed).
- Compatible with TTL/CMOS logic levels.
Applications include UART interfaces, modems, and point-of-sale systems. The MAX3232IDBR comes in an SSOP-16 package, making it suitable for space-constrained designs.
Its reliability and ease of use make it a popular choice for RS-232 level shifting in modern electronics.
Key features:
- Low power consumption (1µA in shutdown mode).
- ±15kV ESD protection on I/O lines for robustness.
- Operates with minimal external components (only four 0.1µF capacitors needed).
- Compatible with TTL/CMOS logic levels.
Applications include UART interfaces, modems, and point-of-sale systems. The MAX3232IDBR comes in an SSOP-16 package, making it suitable for space-constrained designs.
Its reliability and ease of use make it a popular choice for RS-232 level shifting in modern electronics.
Equivalent
Equivalent products to the MAX3232IDBR (3.0V to 5.5V RS-232 transceiver) include:
- SP3232E (Sipex/Exar)
- ADM3232E (Analog Devices)
- ST3232 (STMicroelectronics)
- TRS3232E (Texas Instruments)
- AL3232 (Diodes Incorporated)
These are pin-compatible alternatives with similar voltage ranges and RS-232 compliance. Always verify datasheets for specific application requirements.
- SP3232E (Sipex/Exar)
- ADM3232E (Analog Devices)
- ST3232 (STMicroelectronics)
- TRS3232E (Texas Instruments)
- AL3232 (Diodes Incorporated)
These are pin-compatible alternatives with similar voltage ranges and RS-232 compliance. Always verify datasheets for specific application requirements.
Features
The MAX3232IDBR is a 3.0V to 5.5V RS-232 transceiver with the following key features:
- Dual-channel (2 Tx, 2 Rx) for full-duplex communication.
- ±15kV ESD protection (IEC 61000-4-2) on Tx/Rx lines.
- Low power consumption (1µA shutdown mode).
- Data rates up to 250kbps.
- Auto-shutdown to conserve power when idle.
- Small SSOP-16 package for space-constrained designs.
- Compatible with TIA/EIA-232-F standards.
Ideal for battery-powered, industrial, and embedded systems requiring robust RS-232 communication.
- Dual-channel (2 Tx, 2 Rx) for full-duplex communication.
- ±15kV ESD protection (IEC 61000-4-2) on Tx/Rx lines.
- Low power consumption (1µA shutdown mode).
- Data rates up to 250kbps.
- Auto-shutdown to conserve power when idle.
- Small SSOP-16 package for space-constrained designs.
- Compatible with TIA/EIA-232-F standards.
Ideal for battery-powered, industrial, and embedded systems requiring robust RS-232 communication.
Pinout
The MAX3232IDBR is a 16-pin SOIC package RS-232 transceiver.
Key Functions:
- Converts TTL/CMOS logic levels to RS-232 signals (and vice versa).
- Supports 2 drivers (Tx) and 2 receivers (Rx).
- Operates at ±15kV ESD protection (IEC 61000-4-2).
- Works with 3.0V to 5.5V power supply.
Pin Highlights:
- T1IN, T2IN: TTL/CMOS inputs.
- R1OUT, R2OUT: TTL/CMOS outputs.
- T1OUT, T2OUT: RS-232 outputs.
- R1IN, R2IN: RS-232 inputs.
- V+ (Pin 2), V- (Pin 6): Charge pump outputs.
- C1+, C1-, C2+, C2- (Pins 1,3,4,5): Charge pump capacitors.
Compact, robust, and widely used for UART-to-RS232 conversion.
Key Functions:
- Converts TTL/CMOS logic levels to RS-232 signals (and vice versa).
- Supports 2 drivers (Tx) and 2 receivers (Rx).
- Operates at ±15kV ESD protection (IEC 61000-4-2).
- Works with 3.0V to 5.5V power supply.
Pin Highlights:
- T1IN, T2IN: TTL/CMOS inputs.
- R1OUT, R2OUT: TTL/CMOS outputs.
- T1OUT, T2OUT: RS-232 outputs.
- R1IN, R2IN: RS-232 inputs.
- V+ (Pin 2), V- (Pin 6): Charge pump outputs.
- C1+, C1-, C2+, C2- (Pins 1,3,4,5): Charge pump capacitors.
Compact, robust, and widely used for UART-to-RS232 conversion.
Application
The MAX3232IDBR is a popular RS-232 transceiver IC used for serial communication in various applications:
1. Industrial Automation – Connects microcontrollers to PLCs, sensors, and legacy equipment.
2. Embedded Systems – Interfaces MCUs (e.g., Arduino, Raspberry Pi) with PCs or peripherals.
3. Telecom Equipment – Facilitates serial communication in modems, routers, and switches.
4. Medical Devices – Links diagnostic tools and monitors to control systems.
5. Point-of-Sale (POS) Terminals – Enables communication with barcode scanners and printers.
6. Automotive Diagnostics – Connects OBD-II scanners to diagnostic tools.
It operates at 3V-5.5V, supports high-speed data (up to 250kbps), and is robust against ESD, making it ideal for noisy environments.
1. Industrial Automation – Connects microcontrollers to PLCs, sensors, and legacy equipment.
2. Embedded Systems – Interfaces MCUs (e.g., Arduino, Raspberry Pi) with PCs or peripherals.
3. Telecom Equipment – Facilitates serial communication in modems, routers, and switches.
4. Medical Devices – Links diagnostic tools and monitors to control systems.
5. Point-of-Sale (POS) Terminals – Enables communication with barcode scanners and printers.
6. Automotive Diagnostics – Connects OBD-II scanners to diagnostic tools.
It operates at 3V-5.5V, supports high-speed data (up to 250kbps), and is robust against ESD, making it ideal for noisy environments.
Package
The MAX3232IDBR comes in a SSOP-16 package. This surface-mount package has 16 leads, a compact footprint, and is suitable for space-constrained applications. It operates reliably within industrial temperature ranges (-40°C to +85°C). The SSOP-16 package ensures efficient PCB space utilization while maintaining robust performance for RS-232 communication.
