AK4365 Ver la hoja de datos (PDF) - Asahi Kasei Microdevices
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AK4365 Datasheet PDF : 38 Pages
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ASAHI KASEI
[AK4365]
AK4365
DAC with built-in PLL & HP-AMP
GENERAL DESCRIPTION
The AK4365 is 20bit DAC with built-in PLL and Headphone Amplifier. The PLL input crystal frequency is
matched to typical mobile phone clock frequencies. The AK4365 features an analog mixing circuit that
allows easy interfacing in mobile phone and portable communication designs. The integrated headphone
amplifier features “click-free” power-on/off, a mute control and delivers 10mW of power at 16Ω. The
AK4365 is housed in a 28pin QFN package, making it suitable for portable applications.
FEATURE
o Multi-bit ∆Σ DAC
o Sampling Rate
- 8kHz, 11.025kHz,16kHz, 22.05kHz, 24kHz, 32kHz, 44.1kHz and 48kHz
o On chip perfect filtering 8 times FIR interpolator
- Passband: 20kHz
- Passband Ripple: ±0.02dB
- Stopband Attenuation: 57dB
o Digital De-emphasis Filter: 32kHz, 44.1kHz and 48kHz
o PLL:
- Input Frequency: 19.8MHz, 19.68MHz, 19.2MHz, 15.36MHz, 14.4MHz,
13MHz, 12MHz and 11.2896MHz
- Input Level: CMOS or 0.4Vpp Analog Input
o Audio I/F Format: MSB First, 2’s Compliment
- I2S, 20bit MSB justified, 20bit/16bit LSB justified
- Master/Slave Mode
o Digital ATT
o Analog Mixing Circuit
o Mono Lineout
o µP Interface: 3-wire
o Low Frequency Boost Function
o Headphone Amplifier
- Output Power: 10mW x 2ch @16Ω (THD+N=0.3%)
- S/N: 88dB
- Click Noise Free at Power-ON/OFF and Mute
o Power Supply: 3V±10%
o Power Supply Current: 11.5mA (@HP-AMP no-input)
o Ta: -30 ∼ 85°C
o Small Package: 28pin QFN
MS0110-E-01
-1-
2003/10
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