MAX3221

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3 bis 5,5 V-Einkanal-RS-232-Leitungstreiber/‑Empfänger mit 250 Kbit/s und +/-15 kV-ESD-Schutz

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Datenblatt

document-pdfAcrobat MAX3221 3-V to 5.5-V RS-232 Line Driver and Receiver With ±15-kV ESD Protection datasheet (Rev. P) (Englisch) PDF | HTML

MAX3221

AKTIV

Datenblatt

Jetzt bestellen

Produktdetails

Drivers per package

1

Receivers per package

1

Logic voltage (min) (V)

3.3

Data rate (max) (Mbps)

0.25

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

1

Receivers per package

1

Logic voltage (min) (V)

3.3

Data rate (max) (Mbps)

0.25

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

TSSOP (PW)

16

32 mm² (5 mm × 6.4 mm)

SSOP (DB)

16

48.36 mm² (6.2 mm × 7.8 mm)

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 V_CC supply
Operates up to 250 kbps
One driver and one receiver
Low standby current: 1 µA typical
External capacitors: 4 × 0.1 µF
Accepts 5-V logic input with 3.3-V supply
Alternative high-speed pin-compatible device (1 Mbps)
- SNx5C3221
Automatic power-down feature automatically disables drivers for power savings

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 V_CC supply
Operates up to 250 kbps
One driver and one receiver
Low standby current: 1 µA typical
External capacitors: 4 × 0.1 µF
Accepts 5-V logic input with 3.3-V supply
Alternative high-speed pin-compatible device (1 Mbps)
- SNx5C3221
Automatic power-down feature automatically disables drivers for power savings

The MAX3221 device consists of one line driver, one line receiver with dedicated enable pin, 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. These devices operate at data signaling rates up to 250 kbps 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 automatic power-down 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 on the receiver input, the driver output is disabled and the supply current is reduced to 1 µA. The INVALID output notifies the user if an RS-232 signal is present at the receiver input.

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The MAX3221 device consists of one line driver, one line receiver with dedicated enable pin, 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. These devices operate at data signaling rates up to 250 kbps 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 automatic power-down 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 on the receiver input, the driver output is disabled and the supply current is reduced to 1 µA. The INVALID output notifies the user if an RS-232 signal is present at the receiver input.

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Top-Dokumentation	Typ	Titel	Format-Optionen	Neueste englische Version herunterladen	Datum
*	Datenblatt	MAX3221 3-V to 5.5-V RS-232 Line Driver and Receiver With ±15-kV ESD Protection datasheet (Rev. P)	PDF \| HTML		19.07.2021

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MAX3221

3 bis 5,5 V-Einkanal-RS-232-Leitungstreiber/‑Empfänger mit 250 Kbit/s und +/-15 kV-ESD-Schutz

MAX3221

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