參數(shù)資料
型號(hào)： AD1981BJST-REEL
廠商： Analog Devices Inc
文件頁數(shù)： 21/32頁
文件大?。?/td> 0K
描述： IC CODEC STEREO MICPREAMP 48LQFP
標(biāo)準(zhǔn)包裝： 1
系列： SoundMAX®
類型： 音頻編解碼器 '97
數(shù)據(jù)接口： 串行
分辨率（位）： 16，20 b
ADC / DAC 數(shù)量： 4 / 2
三角積分調(diào)變： 無
動(dòng)態(tài)范圍，標(biāo)準(zhǔn) ADC / DAC (db)： 85 / 90
電壓 - 電源，模擬： 4.5 V ~ 5.5 V
電壓 - 電源，數(shù)字： 3 V ~ 3.47 V
工作溫度： 0°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 48-LQFP
供應(yīng)商設(shè)備封裝： 48-LQFP（7x7）
包裝： 標(biāo)準(zhǔn)包裝
其它名稱： AD1981BJSTREELDKR
AD1981B
Rev. C | Page 28 of 32
Table 41. Jack Sense Mute Select—JSMT [2:0]
Ref
JS1
Headphone
JS0
LINE_OUT
JSMT2
JSMT1
JSMT0
HP_OUT
LINE_OUT
MONO_OUT
Notes
0
OUT (0)
0
ACTIVE
JS0 and JS1 ignored.
1
OUT (0)
IN (1)
0
ACTIVE
2
IN (1)
OUT (0)
0
ACTIVE
3
IN (1)
0
ACTIVE
4
OUT (0)
0
1
FMUTE
ACTIVE
JS0 no mute action;
JS1 mutes Line_Out.
5
OUT (0)
IN (1)
0
1
FMUTE
ACTIVE
6
IN (1)
OUT (0)
0
1
ACTIVE
FMUTE
ACTIVE
7
IN (1)
0
1
ACTIVE
FMUTE
ACTIVE
8
OUT (0)
0
1
0
FMUTE
ACTIVE
JS0 no mute action;
JS1 mutes Mono and
Line-Out.
9
OUT (0)
IN (1)
0
1
0
FMUTE
ACTIVE
10
IN (1)
OUT (0)
0
1
0
ACTIVE
FMUTE
11
IN (1)
0
1
0
ACTIVE
FMUTE
12
OUT (0)
0
1
**
**Reserved.
13
OUT (0)
IN (1)
0
1
**
14
IN (1)
OUT (0)
0
1
**
15
IN (1)
0
1
**
16
OUT (0)
1
0
FMUTE
ACTIVE
JS0 mutes Mono;
JS1 no mute action.
17
OUT (0)
IN (1)
1
0
FMUTE
ACTIVE
FMUTE
18
IN (1)
OUT (0)
1
0
ACTIVE
FMUTE
ACTIVE
19
IN (1)
1
0
ACTIVE
FMUTE
20
OUT (0)
1
0
1
FMUTE
ACTIVE
JS0 mutes Mono;
JS1 mutes Line-Out.
21
OUT (0)
IN (1)
1
0
1
FMUTE
ACTIVE
FMUTE
22
IN (1)
OUT (0)
1
0
1
ACTIVE
FMUTE
ACTIVE
23
IN (1)
1
0
1
ACTIVE
FMUTE
24
OUT (0)
1
0
FMUTE
ACTIVE
JS0 mutes Mono;
JS1 mutes Mono and
Line-Out.
25
OUT (0)
IN (1)
1
0
FMUTE
ACTIVE
FMUTE
26
IN (1)
OUT (0)
1
0
ACTIVE
FMUTE
27
IN (1)
1
0
ACTIVE
FMUTE
28
OUT (0)
1
**
**Reserved.
29
OUT (0)
IN (1)
1
**
30
IN (1)
OUT (0)
1
**
31
IN (1)
1
**
FMUTE = Output is forced to mute independent of the respective volume register setting.
ACTIVE = Output is not muted, and its status is dependent on the respective volume register setting.
OUT = Nothing plugged into the jack and, therefore, the JS status is low (via the load resistor pull-down).
IN = Jack has plug inserted and, therefore, the JS status is high (via the codec JS internal pull-up).
OBSOLETE
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