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CS3003-FNZ
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Product Detailed Parameters
- Description：IC INST AMP 1 CIRCUIT 8QFN
- Series：-
- Mfr：Cirrus Logic Inc.
- Package：Tray
- Amplifier Type：Instrumentation
- Number of Circuits：1
- Output Type：Rail-to-Rail
- Slew Rate：0.25V/µs
- Gain Bandwidth Product：-
- Current - Input Bias：170 pA
- Voltage - Input Offset：2 µV
- Current - Supply：1mA
- Current - Output / Channel：-
- Voltage - Supply Span (Min)：2.7 V
- Voltage - Supply Span (Max)：5 V
- Operating Temperature：-40°C ~ 125°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：8-QFN
- Supplier Device Package：-
- -3db Bandwidth：-
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Overview
The CS3003-FNZ is a precision low-voltage instrumentation amplifier manufactured by Cirrus Logic. It features ultra-low input bias current of 170pA and high common-mode rejection ratio of 110 dB. The device operates on dual supplies ranging from ±1.35V to ±2.5V or single supply from 2.5V to 5V. Packaged in an 8-QFN surface-mount format, it supports a maximum operating temperature of +125°C.
Feature Summary
- Ultra-low input bias current for minimal signal loading
- High common-mode rejection ratio for noise immunity
- Wide single and dual supply voltage operation
- Precision low-voltage instrumentation architecture
Applications
- Precision sensor signal conditioning
- Low-level analog signal amplification
- Industrial measurement systems
- Medical instrumentation front-ends
Procurement Notes
Verify the specific suffix FNZ against official datasheets to confirm pinout and package dimensions. Confirm RoHS compliance status through manufacturer documentation. Ensure supply chain sources provide valid traceability for industrial-grade components. Cross-reference part numbers with authorized distributors to avoid counterfeit risks.
Selection Notes
Select this component when ultra-low bias current is critical for high-impedance source applications. Consider the 8-QFN package for space-constrained PCB layouts. Evaluate power supply requirements against the specified 2.5V to 5V range. Compare performance metrics with alternative instrumentation amplifiers if higher gain bandwidth is needed.
Part Context
Cirrus Logic specializes in high-performance mixed-signal processing solutions. The CS3003 belongs to their precision amplifier portfolio, designed for demanding analog signal processing tasks. This series emphasizes accuracy and low power consumption for modern electronic systems requiring reliable signal integrity.
Replacement Considerations
Check for direct pin-compatible substitutes within the Cirrus Logic precision amplifier family. Verify electrical parameter equivalence for bias current and CMRR before substitution. Consult official replacement guides for discontinued variants.
