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FSA1256 - Dual SPST Analog Switch

General Description

The FSA1256, FSA1256A, FSA1257, FSA1257A, FSA1258, and FSA1258A are high performance dual Single-Pole / Single-Throw (SPST) analog switches.

All devices feature ultra-low RON of 1.1 Ω maximum at 4.5 V VCC.

The FSA1256, FSA1257, and FSA1258 operate over a wide VCC range of 1.65 V to 5.5 V.

Key Features

  • FSA1256A, FSA1257A, FSA1258A Feature Low ICCT when S Input is Lower than VCC.
  • Maximum 1.1 Ω On Resistance (RON) for 4.5 V Supply.
  • 0.4 Ω Max. RON Flatness for 4.5 V Supply.
  • Space-Saving Pb-Free MicroPak™ Packaging.
  • Broad VCC Operating Range: - FSA1256, FSA1257, FSA1258: 1.65 V to 5.5 V - FSA1256A, FSA1257A, FSA1258A: 2.7 V to 5.5 V.
  • Fast Turn-On and Turn-Off Times.
  • FSA1258, FSA1258A Feature Break-Before-Make Enable Circuitry.
  • Over-Voltage Tolerant TTL-Comp.

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Other Datasheets by Fairchild (now onsemi)

Part Number Description
FSA1256A Dual SPST Analog Switch
FSA1257 Dual SPST Analog Switch
FSA1257A Dual SPST Analog Switch
FSA1258 Dual SPST Analog Switch
FSA1258A Dual SPST Analog Switch

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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FSA1256(A) / FSA1257(A) / FSA1258(A) — Low-RON Low-Voltage, Dual SPST Analog Switch with Low-ICCT “A” Option November 2013 FSA1256(A) / FSA1257(A) / FSA1258(A) Low-RON Low-Voltage, Dual SPST Analog Switch with Low-ICCT “A” Option Features  FSA1256A, FSA1257A, FSA1258A Feature Low ICCT when S Input is Lower than VCC  Maximum 1.1 Ω On Resistance (RON) for 4.5 V Supply  0.4 Ω Max. RON Flatness for 4.5 V Supply  Space-Saving Pb-Free MicroPak™ Packaging  Broad VCC Operating Range: - FSA1256, FSA1257, FSA1258: 1.65 V to 5.5 V - FSA1256A, FSA1257A, FSA1258A: 2.7 V to 5.