The NJU8721 is a class D Headphone Amplifier th featuring 6 ∆Σ modulation. It includes Digital Attenuator, Mute, and De-emphasis circuits. It converts digital source input to PWM signal output which is converted to analog signal with simple external LC low-pass filter. The NJU8721 realizes very high power-efficiency by class D operation. Therefore, it is sui.
# Stereo Headphone Power Amplifier : 50mW+50mW # Sixth-order 32fS Over Sampling ∆Σ & 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 Interface : 16bit, 18bit 2 : I S, LSB Justified, MSB Justified # Operating Voltage : 2.4 to 3.6V # Driving Voltage : VDD to 5.25V # C-MOS Technology # Package Outline : SSOP20 / QFN28 ! PIN CONFIGURATION NC TEST STBY NC VDD F0/DATA NC F1/REQ F2/SCK MUTE NC DIN LRCK BCK NC MODE RST NC VSS MCK .
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | NJU8725 |
New Japan Radio |
CLASS D AMPLIFIER FOR DIGITAL AUDIO | |
2 | NJU8710 |
JRC |
2V Operation Clock-less Switching Driver for Class D Amplifier | |
3 | NJU8711 |
JRC |
3V Operation Switching Driver for Class D Amplifier | |
4 | NJU8713 |
JRC |
2V Operation Switching Driver for Class D Amplifier | |
5 | NJU8714 |
JRC |
STEREO BTL OUTPUTS SWITCHING DRIVER | |
6 | NJU8715 |
JRC |
Switching Driver with Regulator | |
7 | NJU8716A |
JRC |
Switching Driver with Regulator | |
8 | NJU8716B |
JRC |
Switching Driver with Regulator | |
9 | NJU8719 |
JRC |
Monaural BTL Output Switching Driver | |
10 | NJU8752 |
JRC |
Analog Signal Input Class D Amplifier | |
11 | NJU8752B |
JRC |
Analog Signal Input Class D Amplifier | |
12 | NJU8753 |
JRC |
Analog Signal Input Class D Amplifier |