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Transceptores RS-232

MAX3222E

ACTIVO

Controlador/receptor de línea RS-232 de 3 V a 5,5 V de canal doble y 500 kbps con protección IEC-ESD

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MAX3222E

ACTIVO
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Detalles del producto

Drivers per package 2 Receivers per package 2 Logic voltage (min) (V) 3.3 Data rate (max) (Mbps) 0.5 Main supply voltage (nom) (V) 3.3, 5 Features Powerdown ESD HBM (kV) 15 Rating Catalog Operating temperature range (°C) -40 to 85 Vout (typ) (V) 5.4
Drivers per package 2 Receivers per package 2 Logic voltage (min) (V) 3.3 Data rate (max) (Mbps) 0.5 Main supply voltage (nom) (V) 3.3, 5 Features Powerdown ESD HBM (kV) 15 Rating Catalog Operating temperature range (°C) -40 to 85 Vout (typ) (V) 5.4
SOIC (DW) 20 131.84 mm² 12.8 x 10.3 SSOP (DB) 20 56.16 mm² 7.2 x 7.8 TSSOP (PW) 20 41.6 mm² 6.5 x 6.4
  • ESD Protection for RS-232 bus pins
    • ±15-kV Human-body model (HBM)
    • ±8-kV IEC61000-4-2, Contact discharge
    • ±15-kV IEC61000-4-2, Air-gap discharge
  • Meets or exceeds the requirements of TIA/EIA-232-F and ITU v.28 standards
  • Operates with 3-V to 5.5-V VCC supply
  • Operates up to 500 kbit/s
  • Two drivers and two receivers
  • Low standby current . . . 1 µA Typ
  • External capacitors . . . 4 × 0.1 µF
  • Accepts 5-V logic input with 3.3-V supply
  • Alternative high-speed pin-compatible device (1 Mbit/s) for SNx5C3222E
  • ESD Protection for RS-232 bus pins
    • ±15-kV Human-body model (HBM)
    • ±8-kV IEC61000-4-2, Contact discharge
    • ±15-kV IEC61000-4-2, Air-gap discharge
  • Meets or exceeds the requirements of TIA/EIA-232-F and ITU v.28 standards
  • Operates with 3-V to 5.5-V VCC supply
  • Operates up to 500 kbit/s
  • Two drivers and two receivers
  • Low standby current . . . 1 µA Typ
  • External capacitors . . . 4 × 0.1 µF
  • Accepts 5-V logic input with 3.3-V supply
  • Alternative high-speed pin-compatible device (1 Mbit/s) for SNx5C3222E

The MAX3222E consists of two line drivers, two line receivers, and a dual charge-pump circuit with ±15-kV ESD protection pin to pin (serial-port connection pins, including GND).

The device meets the requirements of TIA/EIA-232-F and provides the electrical interface between an asynchronous communication controller and the serial-port connector. The charge pump and four small external capacitors allow operation from a single 3-V to 5.5-V supply. The device operates at typical data signaling rates up to 500 kbit/s and a maximum of 30-V/µs driver output slew rate.

The MAX3222E can be placed in the power-down mode by setting the power-down ( PWRDOWN) input low, which draws only 1 µA from the power supply. When the device is powered down, the receivers remain active while the drivers are placed in the high-impedance state. Also, during power down, the onboard charge pump is disabled; V+ is lowered to VCC, and V– is raised toward GND. Receiver outputs also can be placed in the high-impedance state by setting enable ( EN) high.

The MAX3222E consists of two line drivers, two line receivers, and a dual charge-pump circuit with ±15-kV ESD protection pin to pin (serial-port connection pins, including GND).

The device meets the requirements of TIA/EIA-232-F and provides the electrical interface between an asynchronous communication controller and the serial-port connector. The charge pump and four small external capacitors allow operation from a single 3-V to 5.5-V supply. The device operates at typical data signaling rates up to 500 kbit/s and a maximum of 30-V/µs driver output slew rate.

The MAX3222E can be placed in the power-down mode by setting the power-down ( PWRDOWN) input low, which draws only 1 µA from the power supply. When the device is powered down, the receivers remain active while the drivers are placed in the high-impedance state. Also, during power down, the onboard charge pump is disabled; V+ is lowered to VCC, and V– is raised toward GND. Receiver outputs also can be placed in the high-impedance state by setting enable ( EN) high.
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TRS3222E ACTIVO Controlador/receptor de línea RS-232 de 3 V a 5,5 V de canal doble y 500 kbps con protección IEC-ESD The device has the SAME FUNCTIONALITY/PINOUT as the compared device

Documentación técnica

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* Data sheet 3-V to 5.5-V Multichannel RS-232 Line Driver and ReceiverWith ±15-kV ESD Protection datasheet (Rev. C) PDF | HTML 12 ene 2023
Application note RS-232 Glossary and Selection Guide PDF | HTML 23 may 2023

Diseño y desarrollo

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