MAX3232IDR
| Parameters | |
|---|---|
| Supplier Device Package | 16-SOIC |
| Voltage - Supply | 3V ~ 5.5V |
| Protocol | RS232 |
| Number of Drivers/Receivers | 2/2 |
| Duplex | Full |
| Package | Tape & Reel (TR) |
| Product Status | Obsolete |
| Base Product Number | MAX3232 |
| REACH Status | REACH Unaffected |
| Standard Package | 2,500 |
| ECCN | EAR99 |
| HTSUS | 8542.39.0001 |
| Series | - |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) |
| Mfr | Texas Instruments |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Type | Transceiver |
| Data Rate | 250kbps |
| Receiver Hysteresis | 300 mV |
MAX3232IDR 2/2 Transceiver Full RS-232 16-SOIC
The MAX3232IDR is a highly robust 3.0V to 5.5V RS-232 transceiver engineered by Analog Devices (formerly Maxim Integrated) to serve as an essential bridge between modern low-voltage logic and legacy serial communication ports. The MAX3232IDR guarantees a robust data rate of up to 250 kbps while strictly adhering to all EIA/TIA-232-E and V.28 standards. A crucial design advantage of this transceiver is its simplified external component requirement. It requires only four standard, easily sourced 0.1µF capacitors to sustain its internal charge-pump circuitry, significantly reducing overall PCB footprint and BOM costs compared to legacy architectures that necessitated bulky electrolytic capacitors. To ensure maximum physical durability in electrically harsh environments, the device integrates exceptionally rugged IEC 61000-4-2 ESD protection, capable of withstanding ±15kV air-gap and ±8kV contact discharges without sustaining latent damage or functional latch-up. Additionally, when the active-low shutdown (SHDN) pin is asserted, the device enters a micro-power standby state drawing a mere 1µA of supply current, forcing all receiver outputs into a high-impedance state to prevent parasitic back-current leakage.
Alternative RS-232 transceiver IC Models
● TRS3232IDGVR (Texas Instruments): A highly reliable, pin-to-pin compatible 3V to 5.5V RS-232 transceiver offering similar 250kbps data rates with standard HBM ESD protection.
● SP3232EEN (MaxLinear/Exar): A widely adopted dual driver/receiver IC renowned for its ultra-low supply current consumption and robust ±15kV IEC ESD rating on all I/O pins.
● ST3232CDR (STMicroelectronics): A cost-effective, drop-in replacement transceiver featuring an auto-power-down plus function that dramatically extends battery life in portable applications.
● ADM3232LARSZ (Analog Devices): A high-performance 3V RS-232 line driver/receiver utilizing a proprietary low-dropout transmitter design to maximize signal margin over long cable runs.
