參數(shù)資料
型號： AK5366
廠商： Asahi Kasei Microsystems Co.,Ltd
元件分類： 圓形連接器
英文描述： 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
中文描述： 24位48KHz的ADC，帶選擇器/美國PGA / ALC的
文件頁數(shù)： 28/43頁
文件大?。?/td> 338K
代理商： AK5366
ASAHI KASEI
[AK5366
]
MS0309-E-00
2004/05
- 28 -
[5] IPGA value before and after ALC operation
After ALC operation is disabled, the IPGA changes to the last written data during or before ALC operation.
[Operation Example 1]
1. Set IPGA = +12dB at ALC=OFF. DATT portion is set to 0dB internally.
2. ALC=ON after soft mute is enabled.
3. Disable the soft mute.
4. During ALC operation. The IPGA changes from
9.5dB to the value set by REF7-0 bits.
5. ALC=OFF after soft mute is enabled.
6. Disable the soft mute. The IPGA return to +12dB automatically.
[Operation Example 2]
1. Set IPGA = +12dB at ALC=OFF. DATT portion is set to 0dB internally.
2. ALC=ON after soft mute is enabled.
3. Disable the soft mute.
4. During ALC operation. When the DATT portion is set to
10dB, the IPGA changes from
19.5dB to the value set
by REF7-0 bits.
5. ALC=OFF after soft mute is enabled.
6. Disable the soft mute. The IPGA setting is
10dB.
Soft Mute Operation
Soft mute operation is performed in the digital domain of the ADC output.
Soft mute can be controlled by SMUTE bit or SMUTE pin. The SMUTE bit and SMUTE pin are ORed between pin and
register. When SMUTE bit goes “1” or SMUTE pin goes “H”, the ADC output data is attenuated by
∞
within 1028
LRCK cycles. When the SMUTE bit returned “0” and SMUTE pin goes “L” the mute is cancelled and the output
attenuation gradually changes to DATT value within 1028 LRCK cycles. If the soft mute is cancelled before mute state
after starting of the operation, the attenuation is discontinued and returned to DATT value.
Soft mute function and digital volume are common.
SMUTE
Attenuation
DATT Level
-
∞
GD
(2)
GD
(1)
(3)
SDTO
Figure 14. Soft Mute Function
(1) The output signal is attenuated by
∞
within 1028 LRCK cycles (1028/fs).
(2) Digital output delay from the analog input is called the group delay (GD).
(3) If the soft mute is cancelled before the mute, the attenuation is discontinued and returned to DATT value.
相關PDF資料
PDF描述
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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