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Name: MAX3221IPWR
Brand: Texas Instruments
SKU: MAX3221IPWR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments MAX3221IPWR

Part No.:: MAX3221IPWR

Manufacturer:: Texas Instruments

Package:: 16-TSSOP (0.173, 4.40mm Width)

Datasheet:: MAX3221IPWR.pdf

Description:: IC TRANSCEIVER FULL 1/1 16TSSOP

In Stock:: 4320

Quantity:: Add To Cart

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MAX3221IPWR Specifications

Package/Case:
16-TSSOP (0.173, 4.40mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
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

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MAX3221IPWR information

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MAX3221IPWR Typical application Circuitry

MAX3221IPWR

The MAX3221IPWR is part of Texas Instruments' family of RS-232 interface ICs, which are designed to provide a link between a UART or microcontroller and an RS-232 serial port. This IC is suitable for applications where RS-232 communication is needed, and it is characterized by its low-power consumption and integrated charge pump circuitry that generates RS-232 voltage levels from a single 3.0V to 5.5V supply.

1. Power Supply (VCC Pin): Connect the VCC pin of the MAX3221IPWR to a power source that ranges from 3.0V to 5.5V. This voltage supply is crucial as it powers the internal charge pump and the driver circuits.

2. Grounding (GND Pin): The ground plane of the system must be connected to the GND pin. This common reference point is essential for signal integrity and power supply stability.

3. RS-232 Driver Outputs (T1OUT Pin): The T1OUT pin is the driver output and should be connected to the RS-232 connector's transmit data pin (usually pin 3 on a DB9 connector).

4. RS-232 Receiver Inputs (R1IN Pin): The R1IN pin is the receiver input and should be connected to the RS-232 connector's receive data pin (usually pin 2 on a DB9 connector).

5. Transmitter Input (T1IN Pin): The T1IN pin is connected to the UART transmit data output of the microcontroller or processor.

6. Receiver Output (R1OUT Pin): The R1OUT pin provides the received data output to the UART receive data input of the microcontroller or processor.

7. Charge Pump Capacitors (CAP+ and CAP- Pins): The CAP+ and CAP- pins are connected to external capacitors that the charge pump uses to generate the ±10V RS-232 signal levels from the single supply voltage.

8. Control Inputs (EN Pin): The EN (Enable) pin can be tied to a logic high level to enable the driver or to a logic low level to put the driver in a low-power shutdown mode.

9. Flow Control (Invalid, CTS, and RTS Pins): The INVALID pin indicates if the charge pump is fully operational. The CTS (Clear to Send) pin is an input for flow control, and the RTS (Request to Send) pin is an output for flow control.

10. Additional Functionality Pins (FORCEON and FORCEOFF Pins): These pins are used for advanced control features like manual control of the charge pump or power-saving modes.

Each pin of the MAX3221IPWR must be connected precisely as per the datasheet specifications. Accurate pin connections and settings configuration will enable the MAX3221IPWR to function effectively, providing reliable RS-232 communication for applications such as battery-powered devices, laptops, and handheld equipment.

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6. What is the process for return or replacement of MAX3221IPWR?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the MAX3221IPWR we delivered, we will accept the replacement or return of the MAX3221IPWR only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of MAX3221IPWR.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations