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MAX4815 - SPST Analog Switches

General Description

The MAX4815/MAX4816/MAX4817 high-bandwidth, low-on-resistance, quad-SPST analog switches are designed to serve as integrated T1/E1 protection switches for 1+1 and N+1 line-card redundancy applications.

Key Features

  • Quad-SPST NO, NC, and NC/NO Configurations.
  • Dual-Supply Operation from ±3.3V to ±5V.
  • Single-Supply Operation from +6V to +11V.
  • Hot Insertion Tolerant with No DC Path to the Supplies.
  • Low On-Resistance, RON = 3.7Ω (typ) and 6Ω (max).
  • Over 550MHz, -3dB Signal Bandwidth.
  • Excellent Crosstalk and Off-Isolation Performance Over the T1/E1 Signal Spectrum: 110dB Crosstalk Attenuation at 1MHz.
  • Low Current Consumption of 2mA (max).

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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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19-3951; Rev 2; 1/07 High-Bandwidth, T1/E1, SPST Analog Switches General Description The MAX4815/MAX4816/MAX4817 high-bandwidth, low-on-resistance, quad-SPST analog switches are designed to serve as integrated T1/E1 protection switches for 1+1 and N+1 line-card redundancy applications. Each MAX4815/MAX4816/MAX4817 replaces four electromechanical relays, significantly reducing board space, simplifying PC board routing, and reducing power consumption. These devices operate with ±3.3V or ±5V dual supplies for applications requiring T1/E1 signal switching in the line side of the interface transformer. Internal voltage multipliers drive the analog switches, yielding excellent linearity and low 3.7Ω typical on-resistance within the T1/E1 analog signal range.