MAX3227IDBR +BOM

Description

The MAX3227IDBR is a single-channel RS-232 line driver/receiver from Texas Instruments (TI). It operates with a supply voltage of 3V to 5.5V, making it suitable for battery-powered or low-voltage applications. The device meets or exceeds the requirements of TIA/EIA-232-F and ITU v.28 standards, ensuring reliable communication over RS-232 interfaces. The MAX3227IDBR features a low standby current consumption of 1µA typ, making it an energy-efficient solution for portable devices. It also includes ESD protection up to ±15kV human-body model, ±8kV IEC61000-4-2 contact discharge, and ±8kV IEC61000-4-2 air-gap discharge. This device is designed to be interchangeable with Maxim's MAX3227 and offers an auto-powerdown plus feature that automatically disables drivers for power savings. The MAX3227IDBR is packaged in a plastic shrink small-outline package (SSOP-16) and is suitable for applications such as battery-powered, hand-held, and portable equipment, PDAs, palmtop PCs, notebooks, sub-notebooks, laptops, digital cameras, mobile phones, and wireless devices.

Features

According to the product information, the features of the MAX3227IDBR device include:

• Meets or exceeds TIA/EIA-232-F and ITU v.28 standards
• Operates with 3-V to 5.5-V VCC supply and at least 1 Mbit/s data rate
• Low standby current of 1 µA typ
• External capacitors not required (4 × 0.1 µF suggested)
• Accepts 5-V logic input with 3.3-V supply
• Latch-up performance exceeds 100 mA per JESD 78, Class II
• ±15kV ESD protection for RS-232 I/O pins
• Auto-powerdown plus feature automatically disables drivers for power savings
• Packaged in plastic shrink small-outline package

These features make the device suitable for various applications such as battery-powered, hand-held, and portable equipment.

Package

The package type of MAX3227IDBR is SSOP-16 (Plastic Shrink Small-Outline Package).

Pinout

The MAX3227IDBR has a package type of SSOP-16, which means it has 16 pins.

According to the datasheet, the pin functions are:

• Pin 1: VCC (3-V to 5.5-V supply)
• Pin 2: TXD (transmit data output)
• Pin 3: RXD (receive data input)
• Pin 4: RTS (request to send output)
• Pin 5: CTS (clear to send input)
• Pin 6: DTR (data terminal ready output)
• Pin 7: GND (ground)
• Pin 8: GND (ground)
• Pin 9: TXEN (transmit enable input)
• Pin 10: RXEN (receive enable input)
• Pin 11: DSR (data set ready input)
• Pin 12: DCD (data carrier detect input)
• Pin 13: RI (ring indicator input)
• Pin 14: GND (ground)
• Pin 15: VCC (3-V to 5.5-V supply)
• Pin 16: GND (ground)

Note that the pin functions are specific to the RS-232 interface and may not be applicable to other interfaces or applications.

Manufacturer

The manufacturer of the MAX3227IDBR is Texas Instruments (TI), a well-known American technology company that designs, manufactures, and tests semiconductors and other electronic components. TI is a leading provider of analog and embedded processing semiconductor products, with a wide range of products used in various industries such as automotive, industrial, medical, and consumer electronics.

Applications

The MAX3227IDBR is suitable for battery-powered, hand-held, and portable equipment such as PDAs, palmtop PCs, notebooks, sub-notebooks, laptops, digital cameras, and mobile phones/wireless devices that require a low-power, high-speed RS-232 interface with ESD protection.

Equivalent

The equivalent products of MAX3227IDBR are:

• NXP PCA9654A
• STMicroelectronics MAX3227EPR
• ON Semiconductor MAX3227ESA
• Texas Instruments SN65DSN04DR

These products are similar in function and specifications to the MAX3227IDBR, offering single-channel RS-232 line driver/receiver functionality with ESD protection.