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参数资料
| 型号： | M7705 |
| 厂商： | OKI SEMICONDUCTOR CO., LTD. |
| 元件分类： | Codec |
| 英文描述： | 4ch Single Rail CODEC |
| 中文描述： | 4路单铁编解码器 |
| 文件页数： | 12/20页 |
| 文件大小： | 144K |
| 代理商： | M7705 |
Semiconductor
MSM7705-01/02/03
12/20
AC Characteristics (Continued)
*1 Psophometric filter is used
*2 Upper columns are specified for the
m
-law, lower for the A-law
*3 Input "0" code to PCMIN
*4 Minimum value of the group delay distortion
Absolute Level (Initial Difference)
Nidle T
—
—
—
–73.5
–71.5
–78
–70
–68
–75
dBm0p
Nidle R
—
AV T
0.821
0.850
0.880
AV R
0.821
0.850
0.880
Vrms
1020
Absolute Delay
AV Tt
–0.2
—
+0.2
0
AV Rt
–0.2
—
+0.2
t
D
1020
—
—
0.60
ms
0
A to A
BCLK
= 64 kHz
Transmit Group Delay
t
GD
T1
t
GD
T2
t
GD
T3
t
GD
T4
t
GD
T5
t
GD
R1
t
GD
R2
t
GD
R3
t
GD
R4
t
GD
R5
—
—
—
—
—
—
—
0.19
0.11
0.02
0.05
0.07
0.00
0.00
0.00
0.09
0.12
80
76
80
0.75
0.35
0.125
0.125
0.75
0.75
0.35
0
ms
*4
Receive Group Delay
—
—
—
75
70
75
0.125
0.125
0.75
—
—
—
ms
0
Idle Channel Noise
—
—
AIN = SG
*1 *2
*1 *3
dB
dB
V
DD
= 5.0 V
Ta = 25°C
V
DD
= 5 V
±5%
Ta = –30
to +85°C
Absolute Level
(Deviation of Temperature and Power)
500
600
1000
2600
2800
500
600
1000
2600
2800
Crosstalk Attenuation
CR T
CR R
CR CH
1020
dB
0
TRANS
RECV
RECV
TRANS
CH to CH
*4
Condition
(V
DD
= +5 V ±5%, Ta = –30°C to +85°C)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Level
(dBm0)
Freq.
(Hz)
—
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