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參數(shù)資料
| 型號： | MSM7590L-01 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 元件分類： | Codec |
| 英文描述： | Multi-Function ADPCM CODEC |
| 中文描述： | 多功能差分PcM編解碼器 |
| 文件頁數(shù)： | 15/26頁 |
| 文件大?。?/td> | 173K |
| 代理商： | MSM7590L-01 |
15/26
Semiconductor
MSM7590L-01
–18
–16
–10
–8
dBmO
D
FT1
D
FT2
V
TL
DTMF Tones
Other Tones
–7
–7
—
—
–16
+7
+7
–14
Hz
Hz
Frequency Difference
Parameter
Symbol
Min.
Typ.
Max.
Unit
(V
DD
=
2.7 V to 3.6 V, Ta = –25°C to +70°C)
Condition
dBmO
dBmO
dBmO
Transmit Tones
(Gain setting 0 dB)
V
TH
V
RL
V
RH
1
dBmO
R
DTMF
V
TH
/V
TL
, V
RH
/V
RL
Original (reference)
Tone Signal Level
*4
Relative Level of
DTMF Tones
DTMF (High)
and Other Tones
DTMF (Low)
DTMF (High)
and Other Tones
–14
–8
–6
2
–12
–6
–4
3
Receive Tones
(Tone generation
gain setting –6 dB)
DTMF (Low)
AC Characteristics (DTMF and Other Tones)
*4 Does not contain the setting value set for the programmable gain
AC Characteristics (Programmable Gain Stages)
D
G
All gain stages, to programmed value
–1
0
+1
dB
Gain Accuracy
Parameter
Symbol
Min.
Typ.
Max.
Unit
(V
DD
=
2.7 V to 3.6 V, Ta = –25°C to +70°C)
Condition
AC Characteristics (VOX Function)
–2.5
dB
t
VXON
t
VXOF
OFF
ON
ON
OFF
—
10
—
ms
ms
Transmit VOX Detect Time
(Voice Signal ON/OFF Detect Time
)
Transmit VOX Detect Level
Accuracy
(Threshold Level)
Parameter
Symbol
Min.
Typ.
Max.
Unit
(V
DD
=
2.7 V to 3.6 V, Ta = –25°C to +70°C)
Condition
150/310
160/320
170/330
D
VX
To the values (CR6-B6, B5)
VOXO,
See Fig.2
0
+2.5
*5
*5 When single tone is input at 1000 Hz
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