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AKD4370 Fiches technique (PDF) - Asahi Kasei Microsystems

AKD4370 Datasheet PDF - Asahi Kasei Microsystems
No de pièce AKD4370
Télécharger  AKD4370 Télécharger

Taille du fichier   712.78 Kbytes
Page   49 Pages
Fabricant  AKM [Asahi Kasei Microsystems]
Site Internet  http://www.akm.com
Logo AKM - Asahi Kasei Microsystems
Description 24-Bit 2ch DAC with HP-AMP & Output Mixer

AKD4370 Datasheet (PDF)

Go To PDF Page Télécharger Fiches technique
AKD4370 Datasheet PDF - Asahi Kasei Microsystems

No de pièce AKD4370
Télécharger  AKD4370 Click to download

Taille du fichier   712.78 Kbytes
Page   49 Pages
Fabricant  AKM [Asahi Kasei Microsystems]
Site Internet  http://www.akm.com
Logo AKM - Asahi Kasei Microsystems
Description 24-Bit 2ch DAC with HP-AMP & Output Mixer

AKD4370 Fiches technique (HTML) - Asahi Kasei Microsystems

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AKD4370 Détails du produit

GENERAL DESCRIPTION
The AK4370 is a 24-bit DAC with headphone amplifier. The AK4370 features an analog mixing circuit that allows easy interfacing in mobile phone and portable communication designs. The integrated headphone amplifier features “pop-noise free” power-on/off, a mute control, and it delivers 40mW of power into 16Ω. The AK4370 is packaged in a 24-pin QFN (4mm×4mm) package, ideal for portable applications.

FEATURE
□ Multi-bit ΔΣ DAC
□ Sampling Rate
    - 8kHz ∼ 48kHz
□ On chip perfect filtering 8 times FIR interpolator
    - Passband: 20kHz
    - Passband Ripple: ±0.02dB
    - Stopband Attenuation: 54dB
□ Digital De-emphasis Filter: 32kHz, 44.1kHz and 48kHz
□ System Clock
    - 256fs/384fs/512fs/768fs/1024fs
    - Input Level: AC Couple Input Available
□ Audio I/F Format: MSB First, 2’s Complement
    - I2S, 24bit MSB justified, 24bit/20bit/16bit LSB justified
    - Master/Slave Mode
□ Digital Mixing: LR, LL, RR, (L+R)/2
□ Bass Boost Function
□ Digital ATT
□ Analog Mixing Circuit: 4 Inputs (Single-ended or Full-differential)
□ Stereo Lineout
    - S/N: 90dB@3.3V
    - Output Volume: +6 to –24dB (or 0 to –30dB), 2dB step
□ Headphone Amplifier
    - Output Power: 40mW x 2ch @16Ω, 3.3V
    - S/N: 92dB@3.3V
    - Pop Noise Free at Power-ON/OFF and Mute
    - Output Volume: 0 ~ –63dB & +12/+6/0 dB Gain 1.5dB step (0 ~ –30dB), 3dB step (–30 ~ –63dB)
□ μP Interface: 3-wire/I2C
□ Power Supply: 1.6V ∼ 3.6V
□ Power Supply Current: 3.8mA @1.8V (6.8mW, DAC+HP, No output)
□ Ta: −30 ∼ 85°C
□ Small Package: 24pin QFN (4mm x 4mm, 0.5mm pitch)
□ Register Compatible with AK4368




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