CST8302M Summary:
CST8302M is a 3.2W mono audio power amplifier with FM interference free, AB/D switchable anti burst sound, high efficiency, and no filter. The ultra-low EMI is very suitable for application in portable devices with FM function.
The differential input architecture and extremely high PSRR of CST8302M effectively improve its ability to suppress RF noise. The PWM modulation structure without filters and the built-in gain method reduce the external component PCB area and system cost, and simplify the design. Up to 90% efficiency, fast startup time, and small packaging size make the CST8302M the best choice for portable audio products.
CST8302M has an extremely low turn off current, greatly extending the standby time of the system. The reliability of the system is enhanced by OCP, OTP, and UVLO protection functions. Enabling and disabling the POP click suppression function improves the auditory perception of the system while simplifying system debugging.
CST8302M provides MSOP8 packaging with heat sinks
CST8302M Features:
CST8302M AB and D class switching function
3 types of anti cracking sound options available, with a compression range of -10dB for anti cracking sound
D-class output power:
－3.2W (VDD=5.0V, RL =4Ω，THD+N=10%)
CST8302M Class AB output power:
－3.1W (VDD=5.0V, RL 4Ω，THD+N=10%)
－3.1W (VDD=5.0V, RL =4Ω，THD+N=10%)
Working voltage: 2.5V to 5.5V
Low distortion and low noise
Enable and disable POP click inhibition function
Turn off current (<1uA)
OCP, OTP, UVLO protection functions
CST8302M Application:
Security monitoring system
Intelligent door lock application
Portable audio devices
Amplifier
Card insertion speaker, Bluetooth city speaker, USB speaker
CST8302M Ordering instructions:
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Part No.
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Package
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Mark*
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Tape/Reel
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CST8302M
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mSOP8
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CST-LOGO-CST8302M
XXXXXX
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4000 Pieces/plate
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CST8302M Typical application schematic diagram:
CST8302M Pin diagram and pin description:
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