MAX3221CDBR

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MAX3221CDBR

IC TRANSCEIVER FULL 1/1 16SSOP

  • Fabricant
  • Mfr. Partie #MAX3221CDBR
  • Paquet SSOP (DB)-16
  • Fiche de données
  • En stock6296

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Spécifications

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 0°C ~ 70°C
MountingType Surface Mount
Package/Case 16-SSOP (0.209, 5.30mm Width)

Vue d'ensemble

Description

The MAX3221CDBR is a low-power, dual RS-232 transceiver designed for communication between digital devices and serial peripherals. It operates with a supply voltage of 3V to 5.5V, making it suitable for battery-powered applications. This device provides signal levels that comply with the RS-232 standard, ensuring reliable data transmission over longer distances.
Key features include a high data rate of up to 250 kbps, low power consumption, and built-in protection against ESD events. The MAX3221CDBR can drive capacitive loads up to 1000 pF, which is beneficial for applications with extended cable lengths. The chip also incorporates a unique feature of a low-power shutdown mode, which helps conserve energy when the transceiver is not in use.
With a compact 16-pin SOIC package, the MAX3221CDBR is ideal for space-constrained designs in handheld devices, industrial automation, and other embedded systems requiring serial communication.

Features

The MAX3221CDBR is a low-power, high-speed RS-232 transceiver designed for serial communication. Key features include:
1. Voltage Range: Operates from a single supply voltage of +3V to +5.5V.
2. Data Rate: Supports data rates up to 250 kbps, ensuring fast data transmission.
3. Driver/Receiver: Contains one driver and one receiver, compliant with RS-232 standards.
4. Low Power Consumption: Consumes only 1 µA in shutdown mode, making it suitable for battery-operated devices.
5. Integrated Capacitors: Includes internal charge pump and capacitors for voltage level shifting, simplifying design.
6. Wide Temperature Range: Rated for operation from -40°C to +85°C, suitable for industrial applications.
7. Small Package: Available in a 16-pin TSSOP package, ideal for space-constrained designs.
8. Protection: Offers ESD protection to ±15 kV, enhancing reliability.
Overall, the MAX3221CDBR is ideal for portable devices requiring reliable serial communication in a compact form factor.

Package

The MAX3221CDBR is packaged in a 16-pin SOIC (Small Outline Integrated Circuit) package. This type is characterized by its narrow profile and surface-mount design, suitable for compact applications.

Pinout

The MAX3221CDBR is a dual RS-232 transceiver with a pin count of 16. It is designed for communication between a microcontroller and RS-232 devices. The device converts signals from TTL/CMOS logic levels to RS-232 levels and vice versa.
Key pin functions include:
1. TXD (Transmit Data): Transmits data to the RS-232 interface.
2. RXD (Receive Data): Receives data from the RS-232 interface.
3. V+ (Positive Supply Voltage): Powers the internal circuitry.
4. V- (Negative Supply Voltage): Provides negative voltage for RS-232 levels.
5. GND (Ground): Common ground reference.
6. C1+, C1-, C2+, C2-: Capacitor connections for charge pump operation.
7. SHDN (Shutdown): Enables power-saving mode when high.
8. RI (Ring Indicator): Indicates an incoming call.
9. DCD (Data Carrier Detect), DSR (Data Set Ready), CTS (Clear To Send), DTR (Data Terminal Ready): Control signals used for communication flow.
The MAX3221CDBR operates at low power and can function with a single +3V to +5.5V supply, making it suitable for battery-operated applications.

Manufacturer

The MAX3221CDBR is manufactured by Maxim Integrated, a company known for designing and manufacturing analog and mixed-signal integrated circuits (ICs). Founded in 1983, Maxim Integrated specializes in products for various applications, including automotive, industrial, communications, and consumer electronics. They focus on providing high-performance solutions in areas such as power management, data conversion, and signal processing. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., further enhancing its capabilities and product offerings in the semiconductor industry.

Application

The MAX3221CDBR is a dual RS-232 line driver/receiver designed for communication between microcontrollers and other devices. Its application areas include industrial automation, point-of-sale systems, telecommunications, medical equipment, and data acquisition systems. It enables reliable serial data transmission over long distances, providing compatibility with legacy RS-232 systems while requiring minimal power, making it suitable for battery-operated devices.

Equivalent

Equivalent products to the MAX3221CDBR include the following RS-232 transceivers:
1. MAX3220 - Similar functionality with different pinout.
2. SP3232 - Offers lower operating voltage and similar features.
3. LT1081 - Another option with RS-232 compatibility.
4. ADM3251 - Provides integrated protection and similar specs.
Always verify specifications for specific applications.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

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