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MAX3238EIDBG4 Datasheet(PDF) 1 Page - Texas Instruments |
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MAX3238EIDBG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 22 page www.ti.com FEATURES APPLICATIONS DOUT1 DOUT2 DOUT3 RIN1 RIN2 DOUT4 RIN3 NC C1– DIN1 DIN2 DIN3 ROUT1 ROUT2 DIN4 ROUT3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 C2 + GND C2− V− DOUT1 DOUT2 DOUT3 RIN1 RIN2 DOUT4 RIN3 DOUT5 FORCEON FORCEOFF C1+ V+ VCC C1− DIN1 DIN2 DIN3 ROUT1 ROUT2 DIN4 ROUT3 DIN5 ROUT1B INVALID DB, DW, OR PW PACKAGE (TOP VIEW) RHB PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 24 23 22 21 20 19 18 17 31 32 30 29 28 27 26 25 10 9 11 12 13 14 15 16 DESCRIPTION/ORDERING INFORMATION MAX3238E 3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER WITH ±15-kV ESD (HBM) PROTECTION SLLS710A – FEBRUARY 2006 – REVISED APRIL 2006 • 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 400 kbit/s • Five Drivers and Three Receivers • Auto-Powerdown Plus Feature Enables Flexible Power-Down Mode • Low Standby Current . . . 1 µA Typical • External Capacitors . . . 4 × 0.1 µF • Accepts 5-V Logic Input With 3.3-V Supply • Always-Active Noninverting Receiver Output (ROUT1B) • Alternative High-Speed Pin-Compatible Device (1 Mbit/s) for SNx5C3238 • ESD Protection for RS-232 Interface Pins – ±15 kV – Human-Body Model (HBM) – ±8 kV – IEC61000-4-2, Contact Discharge – ±15 kV – IEC61000-4-2, Air-Gap Discharge • Battery-Powered Systems • PDAs • Notebooks • Subnotebooks • Laptops • Palmtop PCs • Hand-Held Equipment • Modems • Printers The MAX3238E consists of five line drivers, three line receivers, and a dual charge-pump circuit with ±15-kV ESD (HBM) protection on the driver output (DOUT) and receiver input (RIN) terminals. The device meets the requirements of TIA/EIA-232-F and provides the electrical interface between notebook and subnotebook computer applications. The charge pump and four small external capacitors allow operation from a single 3-V to 5.5-V supply. In addition, the device includes an always-active noninverting output (ROUT1B), which allows applications using the ring indicator to transmit data while the device is powered down. This device operates at data signaling rates up to 250 kbit/s and a maximum of 30-V/ µs driver output slew rate. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Copyright © 2006, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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