ASNT6114-KMC View full size
  • DC to 25GHz broadband linear signal splitter
  • One differential CML-type input port and two phase-matched differential CML-type output ports
  • Differential input linearity range up to 800mV p-p
  • Differential gain of approximately 0dB
  • Low jitter and limited temperature variation over industrial temperature range
  • Single +3.3V or -3.3V power supply
  • Power consumption: 660mW
  • Fabricated in SiGe for high performance, yield, and reliability
  • Custom CQFP 24-pin package
Function Operating Frequency Power, mW Package
1-to-2 Analog Signal Splitter with Differential Outputs / PAM4 DC-25 GHz 660 24-pin CQFP


Fig. 1 Functional Block Diagram

The temperature stable ASNT6114-KMC 1-to-2 analog signal splitter is intended for use in high-speed interleaved ADCs or similar systems. The IC shown in Fig. 1 can receive a broad-band analog signal at its differential input dp/dn and effectively distribute it to two separate phase matched differential outputs q1p/q1n, q2p/q2n with a nominal gain of 0dB.


The part’s I/O’s support the CML logic interface with on chip 50Ω termination to vcc and may be used differentially, AC/DC coupled, single-ended, or in any combination. In the DC-coupling mode, the input signal’s common mode voltage should comply with the specifications shown in the electrical characteristics section within the part's datasheet. In the AC-coupling mode, the input termination provides the required common mode voltage automatically. The differential DC signaling mode is recommended for optimal performance.

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