參數(shù)資料
型號(hào): AK4516AVF
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: 3V 16BIT ADC&DAC WITH BUILT-IN PGA
中文描述: 3V的16位ADC
文件頁(yè)數(shù): 34/39頁(yè)
文件大小: 355K
代理商: AK4516AVF
ASAHI KASEI
[AK4516A]
M0026-E-00
1998/08
- 34 -
Addr Register Name
0DH Auto Recovery Control 2
D7
0
RD
0
D6
D5
D4
D3
D2
D1
REF1
R/W
0
D0
REF0
R/W
0
REF6
R/W
0
REF5
R/W
1
REF4
R/W
1
REF3
R/W
0
REF2
R/W
0
R/W
RESET
REF6-0: Set the Reference value at Auto Recovery Operation
During the auto recovery operation, when IPGA value becomes the reference value set by
REF6-0, the gain of the auto recovery operation does not exceed the reference value. The
reference value is set commonly as for Lch and Rch.
During the auto recovery operation, if IPGA value exceeds the setting reference value by
GAIN operation, IPGA does not become the larger than the reference value.
For example, when REF=30H, RATT=2 step, IPGA=2FH, IPGA will become 2FH + 2step =
31H by auto recovery operation, but IPGA value becomes 30H as REF value is 30H.
IPGA should be certainly set to the same value or smaller than REF value before entering
full-auto mode .
GAIN(dB)
MIC
+28.0
+27.5
+27.0
:
0.0
-0.5
:
-7.5
-8.0
-9.0
-10.0
:
-31.0
-32.0
-34.0
-36.0
-38.0
-40.0
-44.0
-48.0
-52.0
MUTE
DATA
LINE
+8.0
+7.5
+7.0
:
-20.0
-20.5
:
-27.5
-28.0
-29.0
-30.0
:
-51.0
-52.0
-54.0
-56.0
-58.0
-60.0
-64.0
-68.0
-72.0
MUTE
STEP
LEVEL
68H
67H
66H
:
30H
2FH
:
21H
20H
1FH
1EH
:
09H
08H
07H
06H
05H
04H
03H
02H
01H
00H
RESET
0.5dB
73
1dB
24
2dB
4
4dB
3
1
Table 14 . Reference Value Setting in Auto Recovery operation
These bits are reset by
PD
pin ="L", then inhibits writing to these bits.
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