ASNT6112-KMM


ASNT6112-KMM View full size
  • DC to 25GHz broadband linear signal splitter
  • One differential CML-type input port and four phase-matched differential CML-type output ports
  • Differential input linearity range up to 1000mV p-p
  • Differential gain of approximately -1.5dB
  • Low jitter and limited temperature variation over industrial temperature range
  • Single +3.3V or -3.3V power supply
  • Power consumption: 1.35W
  • Fabricated in SiGe for high performance, yield, and reliability
  • Custom CQFP 44-pin package
Function Operating Frequency Power, mW Package
1-to-4 Analog Signal Splitter with Differential Outputs DC-25 GHz 1350 44-pin CQFP

DESCRIPTION

Fig. 1 Functional Block Diagram

The temperature stable ASNT6112-KMM 1-to-4 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 four separate phase-matched differential outputs q1p/q1n, q2p/q2n, q3p/q3n, q4p/q4n 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. In particular, the specified output common mode voltage level is guaranteed only in case of external single-ended 50Ω DC termination to vcc.

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