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BL1557 - Dual SPDT Analog Switch

General Description

The BL1557 is a dual, single-pole double-throw (SPDT) analog switch that is designed to operate from 1.8 V to 5.5 V.

The BL1557 can handle both analog and digital signals.

Key Features

  • Wide Power Supply Range:1.8V to 5.5V.
  • On-Resistance: 3.5Ω(TYP) at 5.0V.
  • Low On-Resistance Flatness.
  • High Bandwidth: 400MHz.
  • Break-Before-Make Switching.
  • Rail-to-Rail Signal Range.
  • High Off-Isolation: -75dB (f=1MHz).
  • Crosstalk Rejection: -98dB (f=1MHz).
  • Operation Temperature Range: -40°C to +125°C.
  • Available in QFN1.8x1.4-10L package.

📥 Download Datasheet

Datasheet Details

Part number BL1557
Manufacturer BELLING
File Size 526.19 KB
Description Dual SPDT Analog Switch
Datasheet download datasheet BL1557 Datasheet

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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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BL1557 3.5Ω，400MHz Bandwidth，Dual SPDT Analog Switch Features ⚫ Wide Power Supply Range:1.8V to 5.5V ⚫ On-Resistance: 3.5Ω(TYP) at 5.0V ⚫ Low On-Resistance Flatness ⚫ High Bandwidth: 400MHz ⚫ Break-Before-Make Switching ⚫ Rail-to-Rail Signal Range ⚫ High Off-Isolation: -75dB (f=1MHz) ⚫ Crosstalk Rejection: -98dB (f=1MHz) ⚫ Operation Temperature Range: -40°C to +125°C ⚫ Available in QFN1.8x1.4-10L package Applications ⚫ Wearable Devices ⚫ Portable Instrumentation ⚫ Battery-Operated Equipment ⚫ Computer Peripherals ⚫ Cell Phones Function Table INX Function 0 NCX Connected to COMX 1 NOX Connected to COMX Ordering Information Order No. Package BL1557QN QFN1.8×1.