TOKYO– Toshiba Corporation’s (TOKYO: 6502) Storage & Electronic Devices Solutions Company today announced the launch of “TCB501HQ,” a 4-channel power amplifier IC that detects output offset voltage that is a factor in speaker burnout. Mass production is scheduled to start in June 2016.
The new IC integrates a newly developed, full-time offset detection circuit. Conventional offset detection during sound reproduction is difficult. Toshiba’s new IC detects output DC offset voltage caused by leakage from the input capacitor and other sources, even during sound reproduction, and prevents speaker burnout.
The new IC integrates a current-feedback system of the type adopted in high-end hi-fi audio. This prevents sound quality degradation at wide bandwidths and offers consistent sound quality.
| Part Number | TCB501HQ |
|---|---|
| Maximum Output Power | 49W x 4ch (Vcc=15.2V, RL=4Ω,MAXPOWER) |
| Operating Supply Voltage Range | 6V-18V (4Ω), 6V-16V (2Ω) |
| Output Offset Voltage | 90mV |
| Output Noise Voltage | 33uV (BW=A-weight) |
| Embedded Functions and Features |
|
| Package | HZIP25-P-1.00F |
| Sample Price ( with tax) | 500 yen |
https://toshiba.semicon-storage.com/ap-en/product/automotive/power-amp.html
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