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參數(shù)資料
| 型號： | MSM7575 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 元件分類： | Codec |
| 英文描述： | Multi-Function ADPCM CODEC(多功能ADPCM(自適應差分脈沖編碼調(diào)制）編碼譯碼器) |
| 中文描述： | 多功能差分PcM編解碼器（多功能差分PcM（自適應差分脈沖編碼調(diào)制）編碼譯碼器） |
| 文件頁數(shù)： | 15/25頁 |
| 文件大?。?/td> | 187K |
| 代理商： | MSM7575 |
15/25
Semiconductor
MSM7575
AC Characteristics (DTMF and Other Tones)
*6 Not contain the setting value of the programmable gain
–18
–16
–4
–2
dBm0
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
dBm0
dBm0
dBm0
Transmit
Tones
V
TH
V
RL
V
RH
+1
dBm0
R
DTMF
V
TH
/V
TL
, V
RH
/V
RL
Original (reference)
Tone Signal Level
*6
Relative Level of
DTMF Tones
DTMF (High)
and Other Tones
DTMF (Low)
DTMF (High)
and Other Tones
–14
–2
0
+2
–12
0
+2
+3
Receive
Tones
DTMF (Low)
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
—
5
—
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 setting of detect level
by CR6-B6, B5.
VOXO,
Fig.4
0
+2.5
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PDF描述 |
|---|---|
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| MSM7577 | Voice Signal Level Control LSI |
| MSM7580 | ITU-T G.721 ADPCM TRANSCODER |
| MSM7581 | ITU-T G.721 4ch ADPCM TRANSCODER |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MSM7576 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:LSI |
| MSM7577 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Voice Signal Level Control LSI |
| MSM7578 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Single Rail CODEC |
| MSM7578H | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Single Rail CODEC |
| MSM7578HG3-K | 制造商:ROHM Semiconductor 功能描述: |
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