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MAX3221IPWR

Name: MAX3221IPWR
Rating: 4.7 (12 reviews)

IC TRANSCEIVER FULL 1/1 16TSSOP

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Mfr。パート #MAX3221IPWR
パッケージ TSSOP (PW)-16
データシート
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仕様

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
Type	Transceiver
Protocol	RS232
NumberofDrivers/Receivers	1/1
Duplex	Full
ReceiverHysteresis	500 mV
DataRate	250kbps
Voltage-Supply	3V ~ 5.5V
OperatingTemperature	-40°C ~ 85°C
MountingType	Surface Mount
Package/Case	16-TSSOP (0.173, 4.40mm Width)

概要

Description

The MAX3221IPWR is a dual-channel RS-232 level shifter and transceiver designed for serial communication between devices, primarily in embedded systems. It converts TTL logic levels (0 to 5V) to RS-232 levels (ranging from ±3V to ±15V) and vice versa, enabling compatibility with standard RS-232 devices.
Key features include a wide operating voltage range, low power consumption, and an integrated charge pump that allows operation without external components for voltage generation. The device supports data rates up to 120 kbps, making it suitable for various applications such as modems, printers, and microcontroller communication.
Packaged in a small, thin profile TSSOP, the MAX3221IPWR is ideal for space-constrained designs. It includes built-in protection against short circuits and thermal overload, enhancing reliability in applications. Overall, the MAX3221IPWR is a robust solution for interfacing TTL devices with RS-232 communication standards.

Features

The MAX3221IPWR is a low-power, dual RS-232 transceiver designed for communication between microcontrollers and RS-232 peripherals. Key features include:
1. Dual Transceiver: Supports two RS-232 communication lines.
2. Operating Voltage: Functions from a supply voltage of 3.0V to 5.5V, making it suitable for battery-powered applications.
3. Data Rate: Capable of standard RS-232 data rates up to 250 kbps.
4. Low Power Consumption: Consumes only 0.5 µA in shutdown mode and 5 mA during operation.
5. Integrated Capacitors: On-chip charge pump minimizes external component count.
6. Wide Temperature Range: Operates between -40°C to +85°C, enhancing reliability in diverse environments.
7. EIA/TIA-232 Compatible: Meets RS-232 voltage levels, ensuring compatibility with standard devices.
8. Small Package: Available in a 16-pin TSSOP package, supporting space-constrained designs.
These features make the MAX3221IPWR ideal for portable electronic devices requiring serial communication.

Package

The MAX3221IPWR is packaged in a TSSOP (Thin Shrink Small Outline Package) with 16 pins.

Pinout

The MAX3221IPWR is a dual RS-232 transceiver with a pin count of 20. It is designed for communication between a microcontroller and peripherals using the RS-232 standard.
Pin Functions:
1. V+: Power supply input.
2. GND: Ground reference.
3. C1+, C1-, C2+, C2-: Capacitor connections for charge pump.
4. R1IN, R2IN: Receiver inputs for RS-232 signals.
5. R1OUT, R2OUT: Receiver outputs to host device.
6. T1IN, T2IN: Transmitter inputs from host device.
7. T1OUT, T2OUT: Transmitter outputs for RS-232 signals.
8. SHDN: Shutdown control pin.
9. V-: Negative charge pump output.
This device operates with a single supply voltage and is capable of providing a seamless interface for low voltage logic levels to RS-232 communications, making it suitable for various applications.

Manufacturer

The MAX3221IPWR is manufactured by Maxim Integrated, which is a company that specializes in analog and mixed-signal integrated circuits. Founded in 1983, Maxim Integrated designs and manufactures a wide range of semiconductor products, including amplifiers, data converters, microcontrollers, and interface devices. The company is known for its focus on high-performance and power-efficient solutions used in various applications, including industrial, automotive, medical, and consumer electronics. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., further enhancing its capabilities in the field of advanced semiconductor technology.

Application

The MAX3221IPWR is a dual RS-232 line driver/receiver used in various applications including embedded systems, industrial automation, and point-of-sale terminals. It is ideal for data communication over long distances in environments with high noise levels. Its low power consumption makes it suitable for battery-operated devices, while its compatibility with TTL/CMOS logic levels enables use in microcontroller interfacing and peripheral communication.

Equivalent

Equivalent products to the MAX3221IPWR include the following chips: ADM3251E (Analog Devices), SP3232E (Semtech), SC16C550 (NXP), and ST3232 (STMicroelectronics). These options provide similar functionality for RS-232 communication with compatible voltage levels and data rates. Always verify specific requirements like pin configuration and operating conditions before substitution.