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Product Detailed Parameters
- Description：IC ANALOG SW ARRAY DUAL 20SOIC
- Series：-
- Mfr：Littelfuse Inc.
- Package：Tape & Reel (TR)
- Applications：Ultrasound
- Multiplexer/Demultiplexer Circuit：3:01
- Switch Circuit：-
- Number of Channels：2
- On-State Resistance (Max)：29Ohm (Typ)
- Voltage - Supply, Single (V+)：4.5V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- -3db Bandwidth：-
- Features：Fault Protection, T-Switch Configuration
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：20-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：20-SOIC
- Grade：-
- Qualification：-
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Overview
The Littelfuse CPC7512ZTR is a dual high-voltage analog MOSFET switch featuring a 20-pin SOIC surface-mount package. It provides two independent single-pole double-throw (SPDT) channels with a guaranteed break-before-make switching sequence to prevent signal shorting. The device supports a maximum switch voltage of ±320 V and offers low, matched on-resistance for efficient signal transmission. It delivers 60 dB off-isolation at 1 MHz, ensuring effective signal separation in complex circuits.
Feature Summary
- Dual SPDT configuration with flexible switch topology
- Guaranteed break-before-make operation prevents signal overlap
- High isolation performance at 1 MHz frequency
- Low and matched on-resistance characteristics
Applications
- Ultrasound imaging systems
- High-voltage signal routing
- Analog multiplexing applications
Procurement Notes
Verify the specific ordering suffix matches the required tape and reel quantity. Confirm that the 20-pin SOIC footprint aligns with the target PCB design. Ensure the supply voltage range of 4.5V to 5.5V is compatible with the system logic levels. Check for any recent product change notifications regarding component revisions.
Selection Notes
Select this component when dual-channel high-voltage switching with precise timing control is required. The break-before-make feature is critical for applications where signal overlap must be avoided. Consider the ±320 V rating for high-voltage environments and the 60 dB isolation for noise-sensitive analog signals.
Part Context
This part belongs to Littelfuse's interface IC family designed for robust analog signal management. It integrates dual MOSFET switches into a compact surface-mount package, replacing discrete solutions. The series emphasizes reliability and signal integrity for industrial and medical electronic applications requiring high-voltage handling capabilities.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing circuit designs before considering alternative components from other manufacturers.
