參數資料
型號: AK4220VQ
廠商: ASAHI KASEI POWER DEVICES CORP
元件分類: 消費家電
英文描述: 7:3 Audio Switch and 6:3 Video Switch
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝: 0.50 MM PITCH, LEAD FREE, PLASTIC, LQFP-64
文件頁數: 18/33頁
文件大小: 537K
代理商: AK4220VQ
I
[AK4220]
MS0627-E-00
2007/05
- 18 -
LV2 bit
0
0
0
0
1
1
1
1
LV1 bit
0
0
1
1
0
0
1
1
LV0 bit
0
1
0
1
0
1
0
1
Input Reception
-6dB
-3dB
0dB
+3dB
+6dB
N/A
N/A
N/A
0dB = +40mV
0
p(typ)
(default)
Table 9. Level Setting of Audio Input Detection
ACT1 bit
0
0
1
1
ACT0 bit
0
1
0
1
Consecutive Detect Frequency
1
2
4
8
(default)
Table 10. Consecutive Detection frequency Setting of Audio Input Detection
RTM1 bit
RTM0 bit
Recovery Time
(typ)
40ms
80ms
160ms
320ms
0
0
1
1
0
1
0
1
(default)
Table 11. Recovery Time Setting of Audio Input Detection
INT pin
ADETL bit
“0”
Input pin
(ex. LIN+1)
“L”
Detect Level
-31dBV(default)
“1”
Hi-Z (pulled-up)
“0”
Hi-Z (pulled-up)
Recovery Time
Input signal level doesn’t exceeds the detection reception value
during sampling x consecutive detect frequency.
Input signal level exceeds the detection reception value during
sampling x consecutive detect frequency.
Figure 14. Audio Detection Operation
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