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參數資料
| 型號： | BU8732AKV |
| 廠商： | Rohm CO.,LTD. |
| 元件分類： | Codec |
| 英文描述： | CODEC IC for digital mobile phone |
| 中文描述： | 編解碼器集成電路數字移動電話 |
| 文件頁數： | 5/11頁 |
| 文件大?。?/td> | 159K |
| 代理商： | BU8732AKV |
BU8732AKV
Communication ICs
5/10
Pin No.
Pin name
Terminal function
43
44
45
46
47
48
CPUSEL
RGPULSE
RINGER1
RINGER2
RINGER3
PV
SS
I / O
I
O
O
O
O
100(at 3V)
60(at 3V)
20(at 3V)
Fixed to GND, Fixed "L"
Pulse output for the ringer
Open drain output of the ringer driving transistor
Open drain output of the ringer driving transistor
Open drain output of the ringer driving transistor
1 Standard value
z
Electrical characteristics
(Ta=25
°
C, DV
DD
=RXV
DD
=TXV
DD
=3.0V, FSYNC=8kHz, gain 0dB unless specified particularly)
Parameter
Symbol
Min.
Grounding for ringer
resistance
[]
capacitance
[
F
]
Conditions
Current consumption
(
Note 1
)
Digital "H" level input voltage
Digital "L" level input voltage
Digital "H" level input current
Digital "L" level input current
Digital "H" level output voltage
Digital "L" level output voltage
I
DD1
I
DD2
I
DD3
I
DD4
I
DD5
I
DD6
I
DD7
I
DD8
V
IH
V
IL
I
IH
I
IL
V
OH
V
OL
0.8DV
DD
10
DV
DD
0.5
Typ.
8.0
7.0
6.0
5.4
5.1
3.7
3.3
0.1
Max.
11.5
10.2
8.6
7.8
7.3
5.3
4.8
20
0.2DV
DD
10
0.5
Unit
mA
μ
A
V
V
μ
A
μ
A
V
V
Full operation
(
Note2
)
Reference / Voice / SPC ON
(
Note2
)
Reference / Voice / EAR ON
(
Note2
)
Reference / Voice / RAMP ON
(
Note2
)
Reference / Voice ON
(
Note2
)
Reference / Tone ON
(
Note2
)
Reference ON
(
Note2
)
All power down, FSYNC, Fixed DCLK terminal
V
IH
=
DV
DD
V
IL
=
0V
I
OH
=
1mA
I
OL
=
1mA
1) Power
supply voltage (
DV
DD
, RXV
DD
, TXV
DD
) is 3V. Digital and analog output terminals are free from load.
All the digital terminals except FSYNC. CLK terminal are connected to either
DV
DD
or
DV
SS
.
Analog terminals are connected with an appropriate resistance to TXREF or RXREF.
The soft mute is in the canceled status. (SMUTE="0")
2)
FSYNC=8kHz, DCLK=256kHz
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