MAX233EPP

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MAX233EPP

+Nomenclature

IC TRANSCEIVER FULL 2/2 20DIP

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Spécifications

Attribut Valeur
Supplier Analog Devices Inc./Maxim Integrated
Package Tube
ProductStatus Obsolete
Type Transceiver
Protocol RS232
NumberofDrivers/Receivers 2/2
Duplex Full
ReceiverHysteresis 500 mV
DataRate 120Kbps
Voltage-Supply 4.75V ~ 5.25V
OperatingTemperature -40°C ~ 85°C
MountingType Through Hole
Package/Case 20-DIP (0.300, 7.62mm)

Présentation

Description

MAX233EPP is a dual RS-232 transceiver from Maxim (now Analog Devices). It provides two drivers (TTL/CMOS input to RS-232 output) and two receivers (RS-232 input to TTL/CMOS output), enabling microcontrollers to communicate with RS-232 devices.
Key points:
- Single‑supply operation (roughly 3–5.5 V) and uses an internal charge-pump to generate the RS-232 ± voltages.
- Requires only a small set of external capacitors.
- In a compact 8-pin package (EPP variant), ideal for space‑restricted designs.
- Common applications: interfacing microcontrollers or logic to PCs, modems, GPS modules, or other RS-232 peripherals.
Notes:
- Check datasheet for exact capacitor values, pinout, supported data rates, and temperature range.
- No separate ±12 V supply is needed.

Equivalent

Equivalents (dual RS-232 transceivers with two drivers/two receivers):
- Maxim: MAX232 family (MAX232, MAX232E, MAX232A, MAX232CPE) and MAX3232
- Analog Devices: ADM232 and ADM3232
- Exar/Renesas: SP3232E
- STMicroelectronics: ST232 and ST3232
Any pin-compatible dual RS-232 transceiver from these lines can replace MAX233EPP with similar voltage ranges and feature sets.

Pinout

- Pin count: 16 pins (16-pin package).
- Function: Dual RS-232 transceiver (two drivers and two receivers) that converts TTL/CMOS UART signals to RS-232 levels and RS-232 signals back to TTL/CMOS. Uses an internal charge pump with external capacitors to generate RS-232 voltage levels from a single supply (typically 5V).

Manufacturer

Manufacturer: Maxim Integrated Products, Inc.
What kind of company: An American semiconductor company that designs and markets analog and mixed-signal integrated circuits (fabless; now a brand within Analog Devices since 2021).

Application

Typical applications of MAX233EPP:
- RS-232 serial interface for microcontrollers/embedded designs
- Serial console ports on modems, routers, switches, and telecom gear
- Industrial automation, PLCs, data acquisition, and instrumentation
- Point-of-sale devices, printers, and scanners
- Medical devices with RS-232 I/O
- Networking and test equipment
- Any system needing TTL/CMOS to RS-232 level translation

Package

MAX233EPP uses a 16-pin Plastic DIP package (DIP-16).

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