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參數資料
| 型號： | AK4340 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | 192kHz 24-Bit Stereo DAC with 2Vrms Output |
| 中文描述： | 192kHz的24位立體聲DAC 2Vrms的輸出 |
| 文件頁數： | 1/21頁 |
| 文件大小： | 265K |
| 代理商： | AK4340 |
ASAHI KASEI
AKM CONFIDENTIAL
[AK4340]
Rev.0.6
2005/11
- 1 -
GENERAL DESCRIPTION
The AK4340 offers the ideal features for consumer systems that require a 2Vrms audio output. Using
AKM's multi bit architecture for its modulator the AK4340 delivers a wide dynamic range while preserving
linearity for improved THD+N performance. The AK4340 integrates the Switched Capacitor Filter (SCF)
increasing performance for systems with excessive clock jitter. The 24 Bit word length and 192kHz
sampling rate make this part ideal for a wide range of applications including Set-top-box, DVD-Audio. The
AK4340 is offered in a space saving 16pin TSSOP package.
FEATURES
Sampling Rate Ranging from 8kHz to 192kHz
128 times Oversampling (Normal Speed Mode)
64 times Oversampling (Double Speed Mode)
32 times Oversampling (Quad Speed Mode)
24-Bit 8 times FIR Digital Filter
Switched Capacitor Filter with High Tolerance to Clock Jitter
On chip Buffer with 2Vrms Single-ended output
Digital De-emphasis Filter: 32kHz, 44.1kHz or 48kHz
Soft Mute
Function
Digital Attenuator (Linear 256 Step)
Audio interface format: 24Bit MSB justified, 24/20/16 LSB justified or
I
2
S compatible
Master clock: 256fs, 384fs, 512fs, 768fs or 1152fs (Normal Speed Mode)
128fs, 192fs, 256fs or 512fs (Double Speed Mode)
128fs or 192fs (Quad Speed Mode)
THD+N: -90dB
Dynamic Range: 106dB
Power supply: +4.5V to +5.5V (DAC), - 4.5V to - 13.2V (Output Buffer)
Ta = - 20 to 85
°
C
Package: 16pin TSSOP (6.4mm x 5.0mm)
192kHz 24-Bit Stereo
Σ
DAC with 2Vrms Output
AK4340
= Preliminary =
LRCK
BICK
SDTI
Audio
Data
Interface
MCLK
PDN
Σ
Modulator
AOUTL
8X
Interpolator
SCF
LPF
AOUTR
VDD
VSS
De-emphasis
Control
P/S
μP
Interface
Clock
Divider
SMUTE/CSN
ACKS/CCLK
DIF0/CDTI
Σ
Modulator
8X
Interpolator
HVEE
SCF
LPF
ATT
ATT
GAIN
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| AK4340_06 | 制造商:AKM 制造商全稱:AKM 功能描述:192kHz 24-Bit Stereo ツヒ DAC with 2Vrms Output |
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| AK4340ET | 制造商:AKM 制造商全稱:AKM 功能描述:192kHz 24-Bit Stereo ΔΣ DAC with 2Vrms Output |
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| AK4341 | 制造商:AKM 制造商全稱:AKM 功能描述:192kHz sampling 24Bit ツヒ DAC |
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