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Part Number: CM8685
Description: The CM8685 is a single channel monolithic Class D PlusTM Audio Amplifier IC that using Champion's unique close loop and...
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CM8685
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General Description
CM8685 General Description
The CM8685 is a single channel monolithic Class D PlusTM Audio Amplifier IC that using Champion's unique close loop and feed forward compensation techniques to achieve better THD+N. The CM8685 integrated four power MOSFETs to drive bridge tight load output. They are guaranteed no shot through, adaptively control break before make. The CM8685 can deliver peak output power of up to 5 watts at 4 load from a single 5V power supply in the high fidelity range (20 Hz to 20kHz). The CM8685 incorporated a green mode function to ensure high efficiency at light load and full load. The CM8685 has the optimal high efficiency of up to 90% and no heat sink required. The efficient Class D PlusTM enables the CM8685 to operate at full power into 4 loads at an ambient temperature of 40 .
Low supply current of 3mA makes the device ideal for battery-powered applications. CM8685 is packaged in a 8-pin PSOP and PDIP package saves the system space.
CM8685 Maximum Ratings
Supply Voltage -0.3 to 5.5V
Input Voltage -0.3V to VCC+0.3V
Power Dissipation (Note 1) Internally Limited
ESD Susceptibility (Note 2) 2KV
Junction Temperature (Note 3) 150
Storage Temperature -65TA150
Lead Temperature(soldering 10 sec) 260
CM8685 Features
· Wide input range of 2.0V to 5.0V
·8 pin PSOP & PDIP package
·Integrated power MOSFETs
· Reduce system cost with no heat sink
·Close Loop and Feed Forward compensation
· Efficiency of up to 90%
· Dramatically improves efficiency versus Class-AB
· Excellent bass frequency without big bypass DC blocking capacitor
· Ultra low shut down current (1uA)
· Ultra low operation current without load (3mA)
·Internal Thermal Protection
·8 pin PSOP & PDIP package
·Integrated power MOSFETs
· Reduce system cost with no heat sink
·Close Loop and Feed Forward compensation
· Efficiency of up to 90%
· Dramatically improves efficiency versus Class-AB
· Excellent bass frequency without big bypass DC blocking capacitor
· Ultra low shut down current (1uA)
· Ultra low operation current without load (3mA)
·Internal Thermal Protection
CM8685 Typical Application
` Desktop & Laptop Computers
` PDAs
` Speakers (Multimedia speakers, USB speakers,..)
` Multi-media Monitors (CRT monitors, LCD monitors,..)
` Telephony Accessories (Feature phones, Web phones, & cell phones,..)
` MP3 Players
` DVD Players
` TVs (HDTV, LCD TV, Plasma TV,.)
`Portable Radio Cassettes
` PDAs
` Speakers (Multimedia speakers, USB speakers,..)
` Multi-media Monitors (CRT monitors, LCD monitors,..)
` Telephony Accessories (Feature phones, Web phones, & cell phones,..)
` MP3 Players
` DVD Players
` TVs (HDTV, LCD TV, Plasma TV,.)
`Portable Radio Cassettes
CM8685 Connection Diagram
CM8685
PDF/DataSheet Download
- Datasheet: CM8685
- File Size: 528593 KB
- Manufacturer: ETC [ETC]
- Click here to Download
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