LT1138ACSW - Brand New Analog Devices / Linear Technology Receivers & Transceivers
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Description
The LT1138ACSW is a member of the LT1130A/LT1140A series of RS232 drivers/receivers. It features special bipolar construction techniques that protect the drivers and receivers beyond the fault conditions stipulated for RS232. The driver outputs and receiver inputs can be short-circuited to ±30V without damaging the device or the power supply generator. In addition, the RS232 I/O pins are resilient to multiple ±10kV electrostatic discharge (ESD) strikes. The advanced driver output stage allows for operation up to 250kbaud while driving heavy capacitive loads. The supply current is typically 12mA, which is competitive with CMOS devices. Several members of the series include flexible operating mode controls. The DRIVER DISABLE pin disables the drivers and the charge pump, while the ON/OFF pin shuts down all circuitry. While in shutdown mode, the drivers and receivers assume high-impedance output states.
Specifications and features
- ESD Protection over ±10kV (±15kV IEC-1000-4-2 for LT1133A, LT1137A, and LT1141A)
- Uses Small Capacitors: 0.1µF, 0.2µF
- 1µA Supply Current in SHUTDOWN
- 120kBaud Operation for RL = 3k, CL = 2500pF
- 250kBaud Operation for RL = 3k, CL = 1000pF
- CMOS Comparable Low Power
- Easy PC Layout: Flowthrough Architecture
- Rugged Bipolar Design: Absolutely No Latchup
- Outputs Assume a High Impedance State When Off or Powered Down
- Improved Protection: RS232 I/O Lines Can Be Forced to ±30V Without Damage
- Output Overvoltage Does Not Force Current Back into Supplies
- Available in SO and SSOP PackagesApplication Scenarios
The LT1138ACSW can be used in various applications that require RS232 drivers and receivers. Some potential application scenarios include:
- Communication systems
- Industrial automation
- Medical devices
Comparison
Advantages- Special bipolar construction techniques provide protection beyond RS232 fault conditions
- Resilient to multiple ±10kV ESD strikes
- Operates up to 250kbaud while driving heavy capacitive loads
Disadvantages- The supply current is typically 12mA, which may not be ideal for low-power applications
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Similar parts: 7573 , Click to view
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Datasheet
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Shopping guide
Delivery period:
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Popular parts of the same kind
- Datasheet: Download LT1138ACSW
- Chipdatas Part: CD93-LT1138ACSW
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/13 09:00 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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