MAX3120ETA+T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Transceiver
Protocol:	Infrared (IRDA)
Number of Drivers/Receivers:	1/1
Duplex:	Full
Data Rate:	235Kbps
Voltage - Supply:	3 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	8-WFDFN Exposed Pad
Supplier Device Package:	8-TDFN (2x3)
Base Part Number:	MAX3120

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Introduction to MAX3120ETA+T Application Field and Working Principle

MAX3120ETA+T is a Low-Voltage, 5V-Powered, Single-Chip Transceiver designed to control high-speed RS-232 data transmissions. The device functions as either a full-duplex receiver or two independent half-duplex transceiver channels, allowing for simultaneous transmission and reception and an overall reduction in design complexity. Additionally, the device includes an internal clock mechanism which allows for autonomous operation without requiring any external clock sources. The device is ideal for use in low-speed serial devices such as point-of-sale terminals, industrial automation, computer peripherals, and consumer electronics.

MAX3120ETA+T Features and Benefits

The MAX3120ETA+T offers several key features that ensure it is well suited for use in any low-voltage RS-232-compliant application. Some of these features include:

• 5V-powered single-chip transceiver
• Full-duplex operation with separate transmitter and receiver ports
• Autonomous operation – no external clock required
• Simple user-adjustable receiver input threshold
• Supports 5V/3V logic levels on inputs and outputs
• -5V to 12V transmit voltage swings compliant with RS-232


These features make the MAX3120ETA+T a great choice for any low-speed serial application. It is ideal for point-of-sale terminals, industrial automation, computer peripherals, and consumer electronics.

MAX3120ETA+T Connections

The MAX3120ETA+T is designed to be used with a 5V supply voltage, but can also be powered by a 3V supply voltage. The device includes an internal clock mechanism which allows for autonomous operation without requiring any external clock sources. The device utilizes a single data line for simultaneous transmission and reception. The transmit data line (TXD) is connected to the receiver port of the MAX3120ETA+T and the receive data line (RXD) is connected to the transmitter port. Additionally, the device includes two power supply lines: +VCC for the positive supply voltage and VSS for the ground voltage.

MAX3120ETA+T Working Principle

The MAX3120ETA+T is a low-voltage, 5V-powered, single-chip transceiver designed to control high-speed RS-232 data transmissions. The device operates by simultaneously sending and receiving on a single data line. When data is transmitted, the device sends a signal on the transmit data line (TXD) and the corresponding signal is received on the receive data line (RXD). The device can also operate in a half-duplex mode, wherein the TXD and RXD pins are used independently to separate transmission and reception on a single line.

The device features an internal clock mechanism which allows for autonomous operation without requiring any external clock sources. The device features adjustable receiver input thresholds that are used to set the point at which the receiver will recognize a signal. The device is also compliant with the RS-232 voltage swings, with -5V to 12V transmit voltage swings.

Conclusion

The MAX3120ETA+T is an ideal choice for any low-voltage RS-232-compliant application. It offers a number of features that make it well suited for use in point-of-sale terminals, industrial automation, computer peripherals, and consumer electronics. It is powered by a 5V supply voltage and features an internal clock mechanism which allows for autonomous operation without requiring any external clock sources. The device utilizes a single data line for simultaneous transmission and reception, as well as adjustable receiver input thresholds that are used to set the point at which the receiver will recognize a signal. The device is compliant with the RS-232 voltage swings, with -5V to 12V transmit voltage swings.

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