MAX232
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The MAX232 is a dual driver/receiver that includes a capacitive voltage generator to supply EIA-232 voltage levels from a single 5-V supply. Each receiver converts EIA-232 inputs to 5-V TTL/CMOS levels. These receivers have a typical threshold of 1.3 V and a typical hysteresis of 0.5 V, and can accept ±30-V inputs. Each driver converts TTL/CMOS input levels into EIA-232 levels. The driver, receiver, and voltage-generator functions are available as cells in the Texas Instruments LinASIClibrary.
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The MAX232 is a dual driver/receiver that includes a capacitive voltage generator to supply EIA-232 voltage levels from a single 5-V supply. Each receiver converts EIA-232 inputs to 5-V TTL/CMOS levels. These receivers have a typical threshold of 1.3 V and a typical hysteresis of 0.5 V, and can accept ±30-V inputs. Each driver converts TTL/CMOS input levels into EIA-232 levels. The driver, receiver, and voltage-generator functions are available as cells in the Texas Instruments LinASIClibrary.
Features
- Meet or Exceed TIA/EIA-232-F and ITU Recommended V.28
- Operates From a Single 5-V Power Supply With 1.0-µF Charge-Pump Capacitors
- Operate Up To 120 kbit/s
- Two Drivers and Two Receivers
- ±30-V Input Levels
- Low Supply Current …8 mA Typical
- ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- Upgrade With Improved ESD (15-kV HBM) and 0.1-µF Charge-Pump Capacitors is Available With the MAX202
- Applications
- TIA/EIA-232-F, Battery-Powered Systems, Terminals, Modems, and Computers
Specs:
- Input supply voltage range, VCC: – 0.3 V to 6 V
- Positive output supply voltage range, VS+ : VCC – 0.3 V to 15 V
- Negative output supply voltage range, VS– : –0.3 V to –15 V
- Input voltage range, VI: Driver –0.3 V to VCC + 0.3 V
Receiver: ±30 V - Output voltage range, VO: T1OUT, T2OUT VS– –0.3 V to VS+ + 0.3 V
- R1OUT, R2OUT : –0.3 V to VCC + 0.3 V
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