Inicio Interfaz Transceptores RS-232
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Transceptores RS-232

MAX3227

ACTIVO

Controlador/receptor de línea RS-232 de 3 V a 5,5 V de canal único y 1 Mbps con protección ESD de +/

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MAX3227E ACTIVO Controlador/receptor de línea RS-232 de 3 V a 5,5 V de canal único y 1 Mbps con protección IEC-ESD d TI recommends the MAX3227E in new designs. The MAX3227E is an improved direct drop-in replacement for the MAX3227.

MAX3227

ACTIVO
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Detalles del producto

Drivers per package 1 Receivers per package 1 Logic voltage (min) (V) 3.3 Data rate (max) (Mbps) 1 Main supply voltage (nom) (V) 3.3, 5 Features Auto-Powerdown Plus 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) 1 Main supply voltage (nom) (V) 3.3, 5 Features Auto-Powerdown Plus ESD HBM (kV) 15 Rating Catalog Operating temperature range (°C) -40 to 85 Vout (typ) (V) 5.4
SSOP (DB) 16 48.36 mm² 6.2 x 7.8
  • 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 at Least 1 Mbit/s
  • Low Standby Current . . . 1 µA Typ
  • External Capacitors . . . 4 × 0.1 µF
  • Accepts 5-V Logic Input With 3.3-V Supply
  • Designed to Be Interchangeable With Maxim™: MAX3227
  • Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
  • ESD Protection for RS-232 I/O Pins
    • ±15 kV - Human-Body Model
    • ±8 kV - IEC61000-4-2, Contact Discharge
    • ±8 kV - IEC61000-4-2, Air-Gap Discharge
  • Auto-Powerdown Plus Feature Automatically Disables Drivers for Power Savings
  • Packaged in Plastic Shrink Small-Outline Package
  • APPLICATIONS
    • Battery-Powered, Hand-Held, and Portable Equipment
    • PDAs and Palmtop PCs
    • Notebooks, Sub-Notebooks, and Laptops
    • Digital Cameras
    • Mobile Phones and Wireless Devices

All other trademarks are the property of their respective owners
  • 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 at Least 1 Mbit/s
  • Low Standby Current . . . 1 µA Typ
  • External Capacitors . . . 4 × 0.1 µF
  • Accepts 5-V Logic Input With 3.3-V Supply
  • Designed to Be Interchangeable With Maxim™: MAX3227
  • Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
  • ESD Protection for RS-232 I/O Pins
    • ±15 kV - Human-Body Model
    • ±8 kV - IEC61000-4-2, Contact Discharge
    • ±8 kV - IEC61000-4-2, Air-Gap Discharge
  • Auto-Powerdown Plus Feature Automatically Disables Drivers for Power Savings
  • Packaged in Plastic Shrink Small-Outline Package
  • APPLICATIONS
    • Battery-Powered, Hand-Held, and Portable Equipment
    • PDAs and Palmtop PCs
    • Notebooks, Sub-Notebooks, and Laptops
    • Digital Cameras
    • Mobile Phones and Wireless Devices

All other trademarks are the property of their respective owners

The MAX3227 consists of one line driver, one line receiver, 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. This device operates at data-signaling rates of 1 Mbit/s in normal operating mode and a maximum of 30-V/µs driver output slew rate. This device also features a logic-level output (READY) that asserts when the charge pump is regulating and the device is ready to begin transmitting.

The MAX3227 achieves a 1-µA supply current using the auto-powerdown plus feature. This device automatically enters a low-power powerdown mode when the RS-232 cable is disconnected or the drivers of the connected peripherals are inactive for more than 30 s. They turn on again when they sense a valid transition at any driver or receiver input. Auto-powerdown saves power without changes to the existing BIOS or operating system.

The MAX3227C is characterized for operation from 0°C to 70°C. The MAX3227I is characterized for operation from -40°C to 85°C.

The MAX3227 consists of one line driver, one line receiver, 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. This device operates at data-signaling rates of 1 Mbit/s in normal operating mode and a maximum of 30-V/µs driver output slew rate. This device also features a logic-level output (READY) that asserts when the charge pump is regulating and the device is ready to begin transmitting.

The MAX3227 achieves a 1-µA supply current using the auto-powerdown plus feature. This device automatically enters a low-power powerdown mode when the RS-232 cable is disconnected or the drivers of the connected peripherals are inactive for more than 30 s. They turn on again when they sense a valid transition at any driver or receiver input. Auto-powerdown saves power without changes to the existing BIOS or operating system.

The MAX3227C is characterized for operation from 0°C to 70°C. The MAX3227I is characterized for operation from -40°C to 85°C.
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TRS3227E ACTIVO Controlador/receptor de línea RS-232 de 3 V a 5,5 V de canal único y 1 Mbps con protección IEC-ESD d The device has the SAME FUNCTIONALITY/PINOUT as the compared device but includes enhanced IEC61000-4-2 ESD Protection.

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* Data sheet MAX3227 datasheet (Rev. A) 21 feb 2006

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