參數(shù)資料
型號(hào)： AK5366VR
廠(chǎng)商： Asahi Kasei Microsystems Co.,Ltd
英文描述： 24-Bit 48kHz ツヒ ADC with Selector/PGA/ALC
中文描述： 24位48kHz的ツヒADC，具有選擇/美國(guó)PGA / ALC的
文件頁(yè)數(shù)： 23/42頁(yè)
文件大小： 325K
代理商： AK5366VR
ASAHI KASEI
[AK5366VR
]
MS0526-E-00
2006/07
- 23 -
Input Volume
The AK5366VR includes two independent channel analog volumes (IPGA) with 37 levels at 0.5dB steps located in front
of the ADC.
The IPGA is a true analog volume control that improves the S/N ratio as seen in Table 9. Independent zero-crossing
detection is used to ensure level changes only occur during zero-crossings. If there are no zero-crossings, the level will
then change after a time-out period (Table 10); the time-out period scales with fs. If a new value is written to the IPGA
register before the IPGA changes at the zero crossing or time-out, the previous value becomes invalid. The timer (channel
independent) for time-out is reset and the timer restarts for new IPGA value.
Input Gain Setting
+6dB
100dB
0dB
103dB
+18dB
89dB
fs=48kHz, A-weight
Table 9. PGA+ADC S/N
ZTM1
0
0
1
1
ZTM0
0
1
0
1
Zero crossing timeout period
288/fs
1152/fs
2304/fs
4608/fs
Table 10. Zero crossing timeout period
@fs=48kHz
6ms
24ms
48ms
96ms
Default
[Writing operation at ALC Enable]
Writing to the area over 7FH (Table 17) of IPGL/R registers (04H, 05H) is ignored during ALC operation. After ALC
is disabled, the IPGA changes to the last written data by zero-crossing or time-out. In case of writing to the DATT area
(08H, 09H), the DATT changes even if ALC is enabled.
Output Volume
The AK5366VR includes two independent channel digital volumes (DATT) with 144 levels at 0.5dB steps located behind
the ADC. When changing levels, transitions are executed via soft changes; thus no switching noise occurs during these
transitions. The data must not be written over 90H.
ATTL/R7-0
Attenuation
8FH
+8.0dB
8EH
+7.5dB
:
81H
+1.0dB
80H
+0.5dB
7FH
7EH
0.5dB
7DH
1.0dB
:
02H
62.5dB
01H
63dB
00H
Mute (
∝
)
Table 11. DATT Code Table
Default
:
0dB
:
相關(guān)PDF資料
PDF描述
AK5366 Circular Connector; No. of Contacts:6; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:16; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:16-6 RoHS Compliant: No
AK5366VQ Circular Connector; No. of Contacts:6; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:16; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:16-6 RoHS Compliant: No
AK5370 Circular Connector; No. of Contacts:6; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:16; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:16-6 RoHS Compliant: No
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AK5366VRP-E2 制造商:Asahi Kasei Microsystems Co Ltd 功能描述:24BIT 96K 5-INPUT MUX ALC 103D
AK5366VRP-L 制造商:Asahi Kasei Microsystems Co Ltd 功能描述:AK5366 COST DOWN
AK5367 制造商:AKM 制造商全稱(chēng):AKM 功能描述:96kHz 24-Bit ツヒ ADC with 0V Bias Selector
AK5367A 制造商:AKM 制造商全稱(chēng):AKM 功能描述:96kHz 24-Bit ΔΣ ADC with 0V Bias Selector
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