參數(shù)資料
型號: MB86434PF
廠商: FUJITSU LTD
元件分類: 通信及網(wǎng)絡(luò)
英文描述: 5V Single Power Supply Audio Interface Unit (AIU)
中文描述: SPECIALTY TELECOM CIRCUIT, PQFP64
封裝: PLASTIC, QFP-64
文件頁數(shù): 20/38頁
文件大?。?/td> 574K
代理商: MB86434PF
MB86434
20
Analog Output Connection Example
Tone Speaker Amp Not Used
+
+
+
+
+
BBI
EAR
XEAR
JEAR
IMTON
TONE
XTONE
BBI
R
3
C
3
R
3
C
3
R
4
C
4
R
4
C
4
SGC
SGC
SGC
SGC
SGC
R
2
R
1
R
5
R
6
R
5
0.0dB
–6.0dB
0dB
6.0
dB
GdB
(inside IC)
Receiver speaker
Dynamic type: 32
(typ)
Piezoelectric-ceramic type: 70 nF, 2.8 k
(typ)
Earphone speaker
Dynamic type: 32
(typ)
Piezoelectric-ceramic type: 70 nF, 2.8 k
(typ)
Tone speaker
Dynamic type: 32
(
typ)
Piezoelectric-ceramic type: 70 nF, 2.8 k
(typ)
G = 20 LOG (2*R
2
/R
1
) [dB]
R
3
, C
3
, R
4
, C
4
should be given the respective values 80
, 0.01
μ
F in order to prevent unwanted oscillation.
If a piezoelectric-ceramic type microphone is used, R
5
, R
6
should be given the respective values 20
, 10
in order to
prevent unwanted oscillation.
Note:
(inside IC)
+
+
IMTON
TONE
XTONE
SGC
0dB
SGC
Note: When no tone speaker amp is used, the amp input IMTON and output TONE should be shorted together.
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