ASNT6113-KHC

Overview

The ASNT6113-KHC is a DC-25GHz broadband linear signal splitter fabricated in SiGe technology. It features one differential CML input and three phase-matched differential CML outputs with internal 50Ω termination to Vcc. The device operates on a single +3.3V or -3.3V supply, consuming 1.0W of power. Key electrical parameters include a bandwidth of DC to 25GHz (-3dB), small signal differential gain of 0dB at 10GHz, and an output-referred 1dB compression point of 2.7dBm (single-ended, 20GHz). Input linearity supports up to 1000mV p-p, while THD is specified at 0.2%. The component is housed in a custom 24-pin CQFN package.

Feature Summary

• Provides one-to-three analog signal splitting with phase-matched differential outputs for high-speed interleaved ADC systems.
• Supports flexible I/O configurations including differential, AC/DC coupled, and single-ended modes via CML logic interface.
• Operates with either positive (+3.3V) or negative (-3.3V) power supply configurations.

Applications

• High-speed interleaved Analog-to-Digital Converters (ADCs)
• Broadband linear signal distribution systems
• Systems requiring phase-matched differential signal routing

Procurement Notes

Verify the specific ordering suffix KHC corresponds to the custom 24-pin CQFN package configuration described in the datasheet. Confirm that the supplier provides documentation verifying RoHS compliance per Directive 2011/65/EU. Ensure the procurement channel sources components directly from Advanced Science And Novel Technology Company, Inc. or authorized distributors to guarantee authenticity and revision history accuracy.

Selection Notes

Select this component when a single broadband source must drive multiple parallel high-speed data acquisition channels with minimal phase skew. Consider the SiGe fabrication for performance requirements exceeding standard CMOS capabilities. Evaluate the thermal management needs due to the 1.0W power consumption and the requirement to solder the heat slug to the appropriate plane based on the chosen supply polarity.

Part Context

The ASNT6113-KHC belongs to the ASNT6113 family of analog splitters manufactured by Advanced Science And Novel Technology Company, Inc. The 'KHC' suffix denotes the specific package type and pinout configuration within this product line. This device is designed for niche high-frequency applications where signal integrity and phase matching are critical across a wide bandwidth.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Designers should evaluate alternative 1-to-3 splitters only if they can match the specific CML interface, 25GHz bandwidth, and phase-matching requirements without compromising system performance.

FAQ

How does the power supply configuration affect the I/O termination?

When using a positive supply (+3.3V), all I/Os require AC termination when connected to devices with 50 Ohm termination to ground. In contrast, the negative supply configuration (-3.3V) assumes Vcc is at 0.0V (ground).

What is the recommended signaling mode for optimal performance?

Differential DC signaling mode is recommended. In this mode, the input common mode voltage must comply with specifications, and external single-ended 50Ω DC termination to Vcc is required to guarantee the specified output common-mode voltage level.

How is the thermal performance managed in the package?

The custom 24-pin CQFN package includes a center heat slug on the back side. ADSANTEC recommends soldering this section to the Vcc plane, which serves as ground for negative supply operation or power for positive supply operation.