參數(shù)資料
型號(hào)： MSM7502
廠商： OKI SEMICONDUCTOR CO., LTD.
元件分類： Codec
英文描述： Multi-Function PCM CODEC
中文描述： 多功能的PCM編解碼器
文件頁(yè)數(shù)： 20/35頁(yè)
文件大?。?/td> 196K
代理商： MSM7502
Semiconductor
MSM7502
20/35
AC Characteristics 3 (Receive Path) (Continued)
GPAR
Hold Acknowledge Tone
Path Gain
dB
–3.0
–5.0
–1.0
Typical gain is set
between MLDYI and SPO
PB Acknowledge Tone
Output Level
dBV
–10 dB
–20 dB
Setting,
than
typical gain
VPBRP
–30.1
–32.1
–28.1
1020
–4.0
RPO per wave
SPO per wave
Set at typical gain
dBV
VPBSP
–28.2
–30.2
–26.2
—
—
DfPBR
PB Acknowledge Tone
Frequency Difference
%
—
–1.0
+1.0
RPO, SPO
—
—
THDPBR
PB Acknowledge Tone
Distortion
Incoming Tone Speaker
Output Path Gain
Incoming Tone Speaker
Output Path Gain
Setting (VOL11)
dB
–35
—
–30
RPO, SPO
—
—
Typical gain is set
between CAO and SPO
GCAO
dB
0.0
–2.0
+2.0
1020
–20
RGCAO1
RGCAO2
–10.0
–20.0
–12.0
–22.0
–8.0
–18.0
dB
R1I:SG,
Measured at RPO
Set at typical gain. *6
R1I:SG,
Measured at SPO
Set at typical gain. *6
R1I:SG, Gain
0 dB
RMO0, RMOB *6
RPO, SPO
R
L
= 20 k
W
NiRPO
dBV
–86.0
—
—
—
—
NiSPO
dBV
–89.0
—
—
—
—
NiRMO
dBV
–86.0
—
—
—
—
Idle Channel Noise
VOR
Maximum Output Amplitude
V
PP
—
2.4
—
—
—
Parameter
Symbol
Condition
Typ.
Unit
Min.
Max.
Freq.
(Hz)
Level
(dBV)
(V
DD
= 5 V ±5%, Ta = –10°C to +70°C)
Additional Speaker
Input Path Gain Setting
(VOL6)
–4.0
1020
RGSPI1
RGSPI2
RGSPI3
Setting,
than
typical gain
–6 dB
–12 dB
–18 dB
–6.0
–12.0
–18.0
–8.0
–14.0
–20.0
–4.0
–10.0
–16.0
dB
Note:
*6. Noise band width : 0.3 kHz to 3.4 kHz, non weighted
AC Characteristics 4 (Ringing Tone)
VRTO
R-Tone Output
Amplitude (VOL7)
mV
PP
90
120
150
180
160
11.0
220
70
17
63
84
105
126
112
7.5
154
49
12
117
156
195
234
208
14.5
286
91
22
Level Setting 1
Level Setting 2
Level Setting 3
Level Setting 4
RPO
SPO
RPO
VFTRP
VFTSP
F-Tone Output Amplitude
mV
PP
0 dB
–10 dB
–20 dB
Gain
Setting
VSTSP
SPO
S-Tone Output
Amplitude (VOL12)
mV
PP
(V
DD
= 5 V ±5%, Ta = –10°C to +70°C)
Min.
Typ.
Max.
Parameter
Symbol
Condition
Unit
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