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
文件頁數(shù)： 18/35頁
文件大小： 196K
代理商： MSM7502
Semiconductor
MSM7502
18/35
AC Characteristics 2 (Transmit Path)
GTPA
Pre-Amp Gain
dB
1020
–24.0
20.0
18.0
22.0
TPAI-TPAO
TPBI-TO
Set at typical gain
For
typical
setting
MPAI-MPAO
Set at typical gain
For
typical
setting
GTPB1
Transmit Path Gain
dB
17.7
15.7
19.7
–3 dB
–6 dB
–9 dB
RG1TPB
RG2TPB
RG3TPB
–3.0
–6.0
–9.0
–5.0
–8.0
–11.0
–1.0
–4.0
–7.0
Transmit Path Gain
Setting (VOL8)
dB
GMPA
dB
20.0
18.0
22.0
Microphone Pre-Amp
Gain
Microphone Pre-Amp
Gain Setting
(VOL9)
Additional Transmit
Signal Gain
–6 dB
–9 dB
RG1MPA
RG2MPA
–6.0
–9.0
–8.0
–11.0
–4.0
–7.0
dB
1020
–24.0
GTMX
1020
–4.0
MPBO-TO
0.0
–2.0
+2.0
dB
To per wave
set at typical gain
For
typical
setting
In-Channel PB Signal
Output Level
In-Channel PB Signal
Output Level Setting
(VOL4)
In-Channel PB Signal
Frequency Deviation
VPBT1
—
—
–17.4
–19.4
–15.4
dBV
–3 dB
–6 dB
–9 dB
GPBT1
GPBT2
GPBT3
–3.0
–6.0
–9.0
–5.0
–8.0
–11.0
–1.0
–4.0
–7.0
dB
—
—
DfPBT
—
—
—
–1.0
+1.0
%
MLDYI-TO
Set at typical gain
For
typical
setting
TPAI:Terminated in 510
W
Measured at TO
TPAO-TPBI Directly
connected Set at
typical gain *6
TPAO, TO,
MPAO, MPBO
R
L
= 20 k
W
Hold Tone Path Gain
GPAT
1020
–4.0
–2.0
–4.0
0.0
dB
–3 dB
–6 dB
–9 dB
RG1PAT
RG2PAT
RG3PAT
–3.0
–6.0
–9.0
–5.0
–8.0
–11.0
–1.0
–4.0
–7.0
dB
Hold Tone Path Gain
Setting
(VOL3)
Idle Channel Noise
NiTPA
—
—
–75
—
—
dBV
Maximum Output Voltage
Swing
VOT
1020
—
—
2.4
—
V
PP
In-Channel PB Signal
Distortion
THDPBT
—
—
In-band Distortion
–35
—
–30
dB
Parameter
Symbol
Condition
Typ.
Unit
Min.
Max.
Freq.
(Hz)
Level
(dBV)
(V
DD
= 5 V ±5%, Ta = –10°C to +70°C)
Note:
*6 Noise band width: 0.3 kHz to 3.4 kHz, non-weighted
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