Startseite Schnittstelle RS-232-Transceiver

SN65C3222E

AKTIV

3- bis 5,5-V-Dual-Kanal-RS-232-Leitungstreiber/‑Empfänger mit 1 Mbps und +/-15-kV-IEC-ESD-Schutz

Produktdetails

Drivers per package 2 Receivers per package 2 Logic voltage (min) (V) 3.3 Data rate (max) (Mbps) 1 Main supply voltage (nom) (V) 3.3, 5 Features Auto-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) 1 Main supply voltage (nom) (V) 3.3, 5 Features Auto-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 IEC 61000-4-2, Contact discharge
    • ±15-kV IEC 61000-4-2, Air-gap discharge
  • Meet or exceed the requirements of TIA/EIA-232-F and ITU v.28 standards
  • Operate with 3-V to 5.5-V VCC supply
  • Operate up to 1000 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
  • ESD Protection for RS-232 bus pins
    • ±15-kV Human-body model (HBM)
    • ±8-kV IEC 61000-4-2, Contact discharge
    • ±15-kV IEC 61000-4-2, Air-gap discharge
  • Meet or exceed the requirements of TIA/EIA-232-F and ITU v.28 standards
  • Operate with 3-V to 5.5-V VCC supply
  • Operate up to 1000 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

The SN65C3222E and SN75C3222E consist 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 devices meet the requirements of TIA/EIA-232-F and provide 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 devices operate at typical data signaling rates up to 1000 kbit/s and are improved drop-in replacements for industry-popular ’3222 two-driver, two-receiver functions.

The SN65C3222E and SN75C3222E 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 devices are 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 SN65C3222E and SN75C3222E consist 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 devices meet the requirements of TIA/EIA-232-F and provide 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 devices operate at typical data signaling rates up to 1000 kbit/s and are improved drop-in replacements for industry-popular ’3222 two-driver, two-receiver functions.

The SN65C3222E and SN75C3222E 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 devices are 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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* Data sheet 3-V to 5.5-V Multichannel RS-232 Line Drivers and Receiverswith ±15-kV ESD Protection datasheet (Rev. B) PDF | HTML 27 Aug 2021

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