Features: ` Stereo BTL Power Amplifier` Sixth-order 32fS Over Sampling & PWM` Internal 8fS Over Sampling Digital Filter` Sampling Frequency : 96kHz (Max.)` De-Emphasis : 32kHz, 44.1kHz, 48kHz` System Clock : 256fS` Digital Processing : Attenuator 107step, LOG Curve : Mute` Digital Audio Inter...
NJU8725: Features: ` Stereo BTL Power Amplifier` Sixth-order 32fS Over Sampling & PWM` Internal 8fS Over Sampling Digital Filter` Sampling Frequency : 96kHz (Max.)` De-Emphasis : 32kHz, 44.1kHz, 48kHz` ...
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PARAMETER | SYMBOL | RATING | UNIT | |
Supply Voltage | VDD VDDL VDDR |
-0.3 to +4.0 -0.5 to +5.5 -0.5 to +5.5 |
V V | |
Input Voltage | Vin | -0.3 ~ VDD+0.3 | V | |
Operating Temperature | Topr | -40 to +85 | ||
Storage Temperature | Tstg | -40 to +125 | ||
Power Dissipation | SSOP24 | PD | 600 | mW |
Note 1) All voltage values are specified as VSS= VSSR= VSSL=0V.
Note 2) If the LSI is used on condition beyond the absolute maximum rating, the LSI may be destroyed. Using LSI within electrical characteristics is strongly recommended for normal operation. Use beyond the electrical characteristics conditions will cause malfunction and poor reliability.
Note 3) Decoupling capacitors should be connected between VDD-VSS, VDDR-VSSR and VDDL-VSSL due to the stabilized operation.
The NJU8725 is an 800mW-output class D Amplifier featuring 6th modulation. It includes Digital Attenuator, Mute, and De-emphasis circuits. It converts Digital source input to PWM signal output which is output PWM signal converted to analog signal with simple external LC Filter. The NJU8725 realizes very high power-efficiency by class D operation. Therefore, it is suitable for battery-powered applications and others.