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MSM7540 データシートの表示(PDF) - Oki Electric Industry
部品番号
コンポーネント説明
メーカー
MSM7540
Single Rail ADPCM CODEC
Oki Electric Industry
MSM7540 Datasheet PDF : 15 Pages
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¡ Semiconductor
MSM7540/7560
AC Chracteristics
Parameter
Transmit Frequency
Response
Receive Frequency
Response
Transmit Signal
to Distortion Ratio
Receive Signal
to Distortion Ratio
Transmit Gain
Tracking
Receive Gain
Tracking
Condition
Symbol Freq.
Level
(Hz)
(dBm0)
L
OSS
T1 0 to 60
L
OSS
T2 300 to 3000
L
OSS
T3 1020
0
L
OSS
T4 3300
L
OSS
T5 3400
L
OSS
T6 3968.75
L
OSS
R1 0 to 3000
L
OSS
R2 1020
L
OSS
R3 3300
0
L
OSS
R4 3400
L
OSS
R5 3968.75
SD T1
3
SD T2
0
SD T3 1020
–30
SD T4
–40
SD T5
–45
SD R1
3
SD R2
0
SD R3 1020
–30
SD R4
–40
SD R5
–45
GT T1
3
GT T2
–10
GT T3 1020
–40
GT T4
–50
GT T5
–55
GT R1
3
GT R2
–10
GT R3 1020
–40
GT R4
–50
GT R5
–55
*1 Use the P-message weighted filter
(V
DD
= 4.5 V to 5.5 V, Ta = –25°C to +70°C)
Min.
Others
Typ.
Max. Unit
25
—
—
dB
–0.15
—
+0.20 dB
Reference
dB
—
–0.15
—
+0.80 dB
0
—
0.80 dB
14
—
—
dB
–0.15
—
+0.20 dB
Reference
dB
— –0.15
—
+0.80 dB
0
—
0.80 dB
14
—
—
dB
35
—
—
dB
35
—
—
dB
(*1) 35
—
—
dB
28
—
—
dB
23
—
—
dB
35
—
—
dB
35
—
—
dB
(*1) 35
—
—
dB
28
—
—
dB
23
—
—
dB
–0.2
—
+0.2 dB
Reference
dB
— –0.2
—
+0.2 dB
–0.5
—
+0.5 dB
–1.2
—
+1.2 dB
–0.2
—
+0.2 dB
Reference
dB
— –0.2
—
+0.2 dB
–0.5
—
+0.5 dB
–1.2
—
+1.2 dB
11/15
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