AK4556 AK4556VT -- 3V 192kHz 24Bit ΔΣ CODEC
Feature
Single-ended ADC
- Dynamic Range, S/N: 103dB@VA=3.0V
- S/(N+D): 91dB@VA=3.0V
- HPF for DC-offset cancel (fc = 1Hz @ fs=48kHz)
- HPF can be disabled
Single-ended DAC
- Dynamic Range, S/N: 106dB@VA=3.0V
- S/(N+D): 90dB@VA=3.0V
- Digital de-emphasis for 32kHz, 44.1kHz and 48kHz sampling
Audio I/F format: MSB First, 2’s Complement
- ADC: 24bit MSB justified or I2
S compatible
- DAC: 24bit MSB justified, 24bit LSB justified or I2
S compatible
Input/Output Voltage: ADC = 2.1Vpp @ VA=3.0V
DAC = 2.1Vpp @ VA=3.0V
Master/Slave mode
Sampling Rate:
- Normal Speed: 8kHz to 54kHz (256fs or 512fs)
8kHz to 48kHz (384fs or 768fs)
- Double Speed: 54kHz to 108kHz (256fs)
48kHz to 96kHz (384fs)
- Quad Speed: 108kHz to 216kHz (128fs)
96kHz to 192kHz (192fs)
Master Clock:
- Slave mode: 256fs, 384fs, 512fs or 768fs (Normal Speed)
256fs or 384fs (Double Speed)
128fs or 192fs (Quad Speed)
- Master mode: 256fs or 512fs (Normal Speed)
256fs (Double Speed)
128fs (Quad Speed)
Power Supply: 2.4 to 3.6V (Normal Speed, Double Speed)
2.7 to 3.6V (Quad Speed)
Power Supply Current: 27.5mA
Ta = -40 to 85°C
Very Small Package: 20pin TSSOP
Upper compatible with AK4552
| 类型 |
音频 |
| 数据接口 |
串行 |
| 分辨率（位） |
24 b |
| ADC/DAC 数 |
2 / 2 |
| 三角积分 |
是 |
| 信噪比，ADC/DAC (db)（典型值） |
91 / 90 |
| 动态范围，ADC/DAC (db)（典型值） |
103 / 106 |
| 电压 - 电源，模拟 |
2.4 V ~ 3.6 V，2.7 V ~ 3.6 V |
| 电压 - 电源，数字 |
2.4 V ~ 3.6 V，2.7 V ~ 3.6 V |
| 工作温度 |
-40°C ~ 85°C |
| 安装类型 |
表面贴装 |
| 封装/外壳 |
20-TSSOP（0.173"，4.40mm 宽） |
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