ak5381 AKM Semiconductor, Inc., ak5381 Datasheet
ak5381
Manufacturer Part Number
ak5381
Description
24bit 96khz ?? Adc
Manufacturer
AKM Semiconductor, Inc.
Datasheet
1.AK5381.pdf
(20 pages)
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ASAHI KASEI
The AK5381 is a stereo A/D Converter with wide sampling rate of 4kHz ∼ 96kHz and is suitable for
High-end audio system. The AK5381 achieves high accuracy and low cost by using Enhanced dual bit ∆Σ
techniques. The AK5381 requires no external components because the analog inputs are single-ended.
The audio interface has two formats (MSB justified, I
instrument and AV receiver.
MS0200-E-02
VCOM
AINR
AINL
CKS2
Stereo ∆Σ ADC
Ta = −40 ∼ 85°C (VT), −20 ∼ 85°C (ET)
On-Chip Digital Anti-Alias Filtering
Single-ended Input
Digital HPF for DC-Offset cancel
S/(N+D):
DR:
S/N:
Sampling Rate Ranging from 4kHz to 96kHz
Master Clock:
Audio Interface: Master or Slave Mode selectable
Input level: TTL/CMOS selectable
Output format: 24bit MSB justified / I
Power Supply: 4.5 ∼ 5.5V (VA)
Small 16pin TSSOP Package
AK5380 Pin-compatible
Voltage Reference
AK5381 does not support TTL level mode at fs=48kHz to 96kHz.
VA
∆Σ
Modulator
∆Σ
Modulator
256fs/384fs/512fs/768fs (∼ 48kHz)
256fs/384fs
CKS1
AGND
106dB@5V for 48kHz
106dB@5V for 48kHz
96dB@5V for 48kHz
GENERAL DESCRIPTION
CKS0
VD
2.7 ∼ 5.5V (VD at 48kHz)
3.0 ∼ 5.5V (VD at 96kHz)
DGND
FEATURES
Decimation
Decimation
- 1 -
Filter
Filter
2
S) and can correspond to many systems like music
(∼ 96kHz)
PDN
2
S selectable
Clock Divider
24Bit 96kHz ∆Σ ADC
Serial I/O
Interface
MCLK
DIF
AK5381
LRCK
SCLK
SDTO
[AK5381]
2006/01