AK4370VN AKM [Asahi Kasei Microsystems], AK4370VN Datasheet

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AK4370VN

Manufacturer Part Number
AK4370VN
Description
24-Bit 2ch DAC with HP-AMP & Output Mixer
Manufacturer
AKM [Asahi Kasei Microsystems]
Datasheet

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Part Number
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Part Number:
AK4370VN-L
Manufacturer:
AKM
Quantity:
20 000
ASAHI KASEI
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.
MS0595-E-00
Multi-bit ΔΣ DAC
Sampling Rate
On chip perfect filtering 8 times FIR interpolator
Digital De-emphasis Filter: 32kHz, 44.1kHz and 48kHz
System Clock
Audio I/F Format: MSB First, 2’s Complement
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
Headphone Amplifier
μ P Interface: 3-wire/I
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
- 8kHz ∼ 48kHz
- Passband: 20kHz
- Passband Ripple: ±0.02dB
- Stopband Attenuation: 54dB
- 256fs/384fs/512fs/768fs/1024fs
- Input Level: AC Couple Input Available
- I
- Master/Slave Mode
- S/N: 90dB@3.3V
- Output Volume: +6 to –24dB (or 0 to –30dB), 2dB step
- 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
2
S, 24bit MSB justified, 24bit/20bit/16bit LSB justified
24-Bit 2ch DAC with HP-AMP & Output Mixer
GENERAL DESCRIPTION
2
C
1.5dB step (0 ~ –30dB), 3dB step (–30 ~ –63dB)
FEATURE
- 1 -
AK4370
[AK4370]
2007/03

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