AK5385B Datasheet, PDF (1/24 Pages) Asahi Kasei Microsystems – 24Bit 192kHz ΔΣ ADC

ASAHI KASEI
[AK5385B]
AK5385B
24Bit 192kHz ∆Σ ADC
GENERAL DESCRIPTION
The AK5385B is a 24bit, 192kHz sampling 2ch A/D converter for high-end audio system. The modulator in
the AK5385B uses the Enhanced Dual Bit architecture and the AK5385B realizes high accuracy and low
cost. The AK5385B performs 114dB dynamic range, so the device is suitable for AV-amp, AV recorder
and musical instruments. The AK5385B is available in 28pin VSOP and SOP package, utilizing less board
space.
FEATURES
‡ Sampling Rate: 8kHz ~ 216kHz
‡ Full Differential Inputs
‡ S/(N+D): 103dB
‡ DR: 114dB
‡ S/N: 114dB
‡ High Performance Linear Phase Digital Anti-Alias filter
• Passband: 0~21.768kHz (@fs=48kHz)
• Ripple: 0.005dB
• Stopband: 100dB
‡ Digital HPF
‡ Power Supply: 5V ± 5%(Analog), 3.0 ~ 5.25V(Digital)
‡ Power Dissipation: 183mW (@fs=48kHz)
‡ Package: 28pin SOP / 28pin VSOP
‡ AK5383/AK5393/AK5394A Semi-Pin compatible
VCOM
OVF M/S DFS1 DFS0 CKS1 CKS0 PDN
VREFL
LIN+
LIN-
Delta-Sigma
Modulator
RIN+
RIN-
VREFR
Delta-Sigma
Modulator
Decimation
Filter
HPF
Decimation
Filter
HPF
Audio I/F
Controller
LRCK
BICK
MCLK
SDTO
TEST
AVDD AVSS DVDD DVSS BVSS DIF HPFE
Block diagram
MS0406-E-00
-1-
2005/08