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TRS3223QPWRQ1

  • TRS3223QPWRQ1

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TRS3223QPWRQ1 Overview

The TRS3223 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 data signaling rates up to 250 kbit/s and a maximum of 30-V/μs driver output slew rate.

Flexible control options for power management are available when the serial port is inactive. The auto-powerdown feature functions when FORCEON is low and FORCEOFF is high. During this mode of operation, if the device does not sense a valid RS-232 signal, the driver outputs are disabled. If FORCEOFF is set low and EN is high, both drivers and receivers are shut off, and the supply current is reduced to 1 μA. Disconnecting the serial port or turning off the peripheral drivers causes auto-powerdown to occur. Auto-powerdown can be disabled when FORCEON and FORCEOFF are high. With auto-powerdown enabled, the device is activated automatically when a valid signal is applied to any receiver input. The INVALID output is used to notify the user if an RS-232 signal is present at any receiver input. INVALID is high (valid data) if any receiver input voltage is greater than 2.7 V or less than –2.7 V, or has been between –0.3 V and 0.3 V for less than 30 μs. INVALID is low (invalid data) if the receiver input voltage is between –0.3 V and 0.3 V for more than 30 μs. See Figure 4 for receiver input levels.

TRS3223QPWRQ1

Features

  • Qualified for Automotive Applications
  • RS-232 Bus-Pin ESD Protection Exceeds
    ±15 kV Using Human-Body Model (HBM)
  • 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 250 kbit/s
  • Two Drivers and Two Receivers
  • Low Standby Current . . . 1 μA Typical
  • External Capacitors . . . 4 × 0.1 μF
  • Accepts 5-V Logic Input With 3.3-V Supply

TRS3223QPWRQ1
TRS3223QPWRQ1

Product Parameters

  • genericPartNumber

    TRS3223-Q1

  • partDescription

    Automotive 3- to 5.5-V dual channel 250kbps RS-232 line driver/receiver with +/-15-kV ESD protection

  • statusDescription

    This product has been released to the market and is available for purchase. For some products, newer alternatives may be available.

  • packageQtyCarrier

    2000|LARGE T&R

  • orderablePartNumber

    TRS3223QPWRQ1

  • statusDisplay

    ACTIVE

  • packageQuantity

    2000

  • packagePins

    TSSOP (PW)|20

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arrow TRS3223QPWRQ1 Texas Instruments Dual Transmitter/Receiver RS-232 Automotive 20-Pin TSSOP T/R

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digikey TRS3223QPWRQ1 Rochester Electronics LLC IC TRANSCEIVER FULL 2/2 20TSSOP

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10---$2.5080

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250---$1.8932

500---$1.6565

1000---$1.3725
verical TRS3223QPWRQ1 Texas Instruments Dual Transmitter/Receiver RS-232 Automotive 20-Pin TSSOP T/R

6---$3.1627

10---$2.7695

25---$2.6535

100---$2.2859
mouser TRS3223QPWRQ1 Texas Instruments RS-232 Interface IC RS 232 Line Driver Receiver

1---$2.8500

10---$2.5600

25---$2.4200

100---$2.0200

250---$1.9000

500---$1.6700

1000---$1.6200

2000---$1.5600

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