MAX3157CAI+

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MAX3157CAI+

IC TRANSCEIVER FULL 1/1 28SSOP

  • Fabricant
  • Mfr. Partie #MAX3157CAI+
  • Paquet SSOP-28
  • Fiche de données
  • En stock30

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Spécifications

Package Tube
ProductStatus Obsolete
Type Transceiver
Protocol RS422, RS485
NumberofDrivers/Receivers 1/1
Duplex Full
ReceiverHysteresis 25 mV
DataRate 250kbps
Voltage-Supply 4.75V ~ 5.25V
OperatingTemperature 0°C ~ 70°C
MountingType Surface Mount
Package/Case 28-SSOP (0.209, 5.30mm Width)

Vue d'ensemble

Description

The MAX3157CAI+ is a highly integrated real-time clock (RTC) with a built-in battery backup, designed for low-power applications. It features an I²C interface for easy communication with microcontrollers, making it ideal for portable and battery-operated devices. The device maintains accurate timekeeping with a precision oscillator and can operate with a supply voltage as low as 1.8V.
Key features include a programmable alarm, a square wave output, and a wide temperature operating range, ensuring reliability in various environments. The MAX3157CAI+ also has low power consumption, which extends battery life in applications like wearables, consumer electronics, and automotive systems.
With its compact package and integrated features, the MAX3157CAI+ simplifies design and reduces component count, making it a popular choice for developers looking to incorporate timekeeping functionality in their products.

Features

The MAX3157CAI+ is a high-speed, low-power RS-232 transceiver designed for serial communication applications. Key features include:
1. Data Rate: Supports data rates up to 1 Mbps.
2. Voltage Levels: Operates with a single +3V to +5.5V supply, making it suitable for modern low-voltage systems.
3. Low Power Consumption: Offers reduced power consumption with sleep modes, ideal for battery-operated devices.
4. Wide Temperature Range: Supports operation in extended temperature ranges from -40°C to +85°C.
5. High Noise Immunity: Provides strong noise immunity, ensuring reliable data transmission.
6. Protection: Integrated ESD protection on all pins, enhancing robustness against electrostatic discharge.
7. Automated Control: Features such as automatic signal direction control for ease of use in applications.
These features make the MAX3157CAI+ suitable for a variety of applications, including embedded systems, industrial automation, and consumer electronics.

Package

The MAX3157CAI+ is available in a 28-pin TSSOP (Thin Shrink Small Outline Package) form factor. This package type is known for its low profile and compact size, making it suitable for space-constrained applications.

Pinout

The MAX3157CAI+ is a low-power, multi-protocol serial interface device that supports UART and other serial communication protocols. It features a 28-pin TQFN package.
The pin functions are as follows:
1. 1-4, 10-12, 20-22: GPIO (General Purpose Input/Output)
2. 5, 19: RX (Receive Data)
3. 6, 18: TX (Transmit Data)
4. 7: CTS (Clear To Send)
5. 8: RTS (Request To Send)
6. 9: RESET (Reset/Initialize the device)
7. 13: VDD (Power Supply)
8. 14: GND (Ground)
9. 15: VIO (I/O Voltage)
10. 16: CLK (Clock Input)
11. 17: SCL (I2C Clock)
12. 23: SDA (I2C Data)
13. 24-28: Various configuration pins (such as mode selection).
This configuration allows for versatile serial communications suitable for numerous applications. Always refer to the official datasheet for detailed specifications and pin descriptions.

Manufacturer

The MAX3157CAI+ is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a multinational company that specializes in analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, ADI provides a wide range of semiconductor solutions for various industries, including automotive, communications, industrial, and healthcare. The company is known for its innovative technologies and products that enable high-performance electronic systems.

Application

The MAX3157CAI+ is a versatile I²C/SPI-compatible real-time clock (RTC) with a low-power design, commonly used in battery-powered devices, consumer electronics, and portable applications. Its primary application areas include timekeeping in embedded systems, data loggers, smart meters, and IoT devices. It is also suitable for applications requiring precise time tracking, such as wearable technology and industrial automation.

Equivalent

The MAX3157CAI+ chip, a serial interface for I²C and SPI communication, can be equivalently replaced by components like the Texas Instruments PCA9548A (I²C multiplexer) or the NXP PCA9515A (I²C bus buffer). However, it’s important to verify specific application requirements like voltage levels, speed, and functionality, as the equivalents may serve different roles in circuit design. Always consult datasheets for compatibility.

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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