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參數(shù)資料
| 型號(hào)： | AK4550VT |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 元件分類： | Codec |
| 英文描述： | LOW POWER & SMALL PACKAGE 16BIT CODEC |
| 中文描述： | 低功耗 |
| 文件頁(yè)數(shù)： | 1/15頁(yè) |
| 文件大小： | 102K |
| 代理商： | AK4550VT |
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ASAHI KASEI
[AK4550]
M0068-E-01
2000/4
- 1 -
GENERAL DESCRIPTION
The AK4550 is a low voltage 16bit A/D & D/A converter for portable digital audio system. In the AK4550,
the loss of accuracy form clock jitter is also improved by using SCF techniques for on-chip post filter.
Analog signal input/output of the AK4550 are single-ended, therefore, any external filters are not required.
The AK4550 is suitable for portable digital audio system, as the AK4550 is lower power dissipation and a
smaller package than AK4518.
FEATURES
o
HPF for DC-offset cancel (fc=3.4Hz)
o
Single-ended ADC
- S/(N+D): 82dB@VDD=2.5V
- Dynamic Range, S/N: 89dB@VDD=2.5V
o
Single-ended DAC
- Digital de-emphasis for 32kHz, 44.1kHz, 48kHz sampling
- S/(N+D): 85dB@VDD=2.5V
- Dynamic Range, S/N: 92dB@VDD=2.5V
o
Audio I/F format: MSB First, 2’s Compliment (AK4518 compatible)
- ADC: 16bit MSB justified
- DAC: 16bit LSB justified
o
Input/Output Voltage: 0.6 X VDD (=1.5Vpp@VDD=2.5V)
o
High Jitter Tolerance
o
Sampling Rate: 8kHz to 50kHz
o
Master Clock: 256fs or 384fs or 512fs
o
Power Supply: 2.3 to 3.6V
o
Low Power Supply Current: 10mA
o
Ta = -40 to 85°C
o
Very Small Package: 16pin TSSOP
Modulator
MCLK
VDD
VSS
AOUTL
AINL
LRCK
SCLK
VCOM
AINR
Σ
Modulator
Decimation
Filter
Serial I/O
Interface
Common Voltage
SDTO
Σ
Decimation
Filter
SDTI
PWDA
DEM0
PWAD
Clock
Divider
AOUTR
8X
Interpolator
8X
Interpolator
Σ
Modulator
Σ
Modulator
LPF
LPF
DEM1
Low Power & Small Package 16bit
Σ
CODEC
AK4550
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AK4550VT-E2 | 制造商:Asahi Kasei Microsystems Co Ltd 功能描述: |
| AK4550VTP-E2 | 制造商:Asahi Kasei Microsystems Co Ltd 功能描述:16BIT 3V |
| AK4551 | 制造商:AKM 制造商全稱:AKM 功能描述:EVALUATION BOARD REV.C FOR AK4551 |
| AK4551VT | 制造商:AKM 制造商全稱:AKM 功能描述:LOW POWER & SMALL PACKAGE 20BIT CODEC |
| AK4552 | 制造商:AKM 制造商全稱:AKM 功能描述:24bit A/D and D/A converter, |
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