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Name: MAX202CSE+
Brand: Analog Devices Inc./Maxim Integrated
SKU: MAX202CSE+
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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Analog Devices Inc./Maxim Integrated MAX202CSE+

Part No.:: MAX202CSE+

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 16-SOIC (0.154, 3.90mm Width)

Datasheet:: MAX202CSE+.pdf

Description:: IC TRANSCEIVER FULL 2/2 16SO

In Stock:: 4167

Quantity:: Add To Cart

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MAX202CSE+ Specifications

Package/Case:
16-SOIC (0.154, 3.90mm Width)
Packaging:
Tube
Series:
-
ProductStatus:
Active
Type:
Transceiver
Protocol:
RS232
NumberofDrivers/Receivers:
2/2
Duplex:
Full
ReceiverHysteresis:
500 mV
DataRate:
120Kbps
Voltage-Supply:
4.5V ~ 5.5V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Surface Mount

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MAX202CSE+ information

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MAX202CSE+ Typical application Circuitry

MAX202CSE

The MAX202CSE+ is a dual-channel RS-232 transceiver chip designed for serial communication in electronic devices. It is commonly used in applications that require the conversion of TTL/CMOS logic levels to RS-232 voltage levels and vice versa.

Key Features: The MAX202CSE+ operates with a single 5V power supply and supports data rates up to 120kbps. It includes two drivers and two receivers, along with integrated charge pump circuitry to generate the necessary RS-232 voltage levels from the single supply.

Application Scenario: A typical application for the MAX202CSE+ is in a microcontroller-based data logger, where it facilitates communication between the microcontroller and a computer's RS-232 port for data transfer.

Circuit Connection Details:

1. Power Supply: Connect the VCC pin (pin 16) of the MAX202CSE+ to a 5V power source. The GND pin (pin 15) should be connected to the system's ground.

2. RS-232 Communication: Link the T1OUT pin (pin 14) to the TXD line of the RS-232 interface and the R1IN pin (pin 13) to the RXD line. If the second channel is used, connect T2OUT (pin 7) and R2IN (pin 8) accordingly.

3. Microcontroller Interface: Connect the T1IN pin (pin 11) to the TXD output of the microcontroller, and link the R1OUT pin (pin 12) to the RXD input of the microcontroller. For the second channel, use T2IN (pin 10) and R2OUT (pin 9).

4. Charge Pump Capacitors: Attach four 1μF capacitors as follows: C1+ (pin 6) to V+, C1- (pin 5) to V-, C2+ (pin 4) to VCC, and C2- (pin 3) to GND. These capacitors are essential for the charge pump circuitry.

Design Considerations:

- Ensure that the supply voltage is exactly 5V, as the MAX202CSE+ is designed for this voltage.

- Position the charge pump capacitors close to the chip to minimize noise and ensure efficient voltage conversion.

- Incorporate bypass capacitors near the VCC and GND pins to stabilize the power supply and reduce noise.

- Carefully plan the layout and routing of the RS-232 communication lines to avoid crosstalk and signal degradation.

In conclusion, the MAX202CSE+ is an effective choice for RS-232 communication in microcontroller-based data loggers. By following the circuit connection details and design considerations outlined above, one can effectively integrate this chip into their projects.

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6. What is the process for return or replacement of MAX202CSE+?

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 MAX202CSE+ we delivered, we will accept the replacement or return of the MAX202CSE+ 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 MAX202CSE+.

(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