參數(shù)資料
型號： MT8966
廠商： Mitel Networks Corporation
元件分類： Codec
英文描述： Integrated PCM Filter Codec
中文描述： 集成的PCM編解碼器
文件頁數(shù)： 18/32頁
文件大?。?/td> 607K
代理商： MT8966
MT8960/61/62/63/64/65/66/67
Data Sheet
18
Zarlink Semiconductor Inc.
* Typical figures are at 25
°
C with nominal
±
5V supplies. For design aid only: not guaranteed and not subject to production testing
Note 6:
0dBm0=1.185 V
RMS
for the
μ
-
Law codec.
0dBm0=1.231 V
RMS
for the A-Law codec.
A
N
A
L
O
G
Quantization
Distortion
(cont’d)
(See Figure 13)
CCITT G712
(Method 2)
AT&T
D
QX2
35.30
29.30
24.30
dB
dB
dB
Sinusoidal Input Level:
0 to -30 dBm0
-40 dBm0
-45 dBm0
12
Intermodulation
Distortion
CCITT G712
50/60 Hz
IMD
X
1
-55
dB
50/60 Hz @ -23 dBm0
and any signal within
300-3400 Hz at -9
dBm0
CCITT G712
2 tone
IMD
X
2
-41
dB
740 Hz and 1255 Hz
@ -4 to -21 dBm0.
Equal Input Levels
AT&T
IMD
X
3
-47
dB
2nd order products
4 tone
IMD
X
4
-49
dB
3rd order products
13
Gain Relative to
Gain @ 1004 Hz 60 Hz
(See Figure 10)
≤
50 Hz
200 Hz
300-3000 Hz
3200 Hz
3300 Hz
3400 Hz
4000 Hz
≥
4600 Hz
G
RX
-1.8
-
0.125
-
0.275
-
0.350
-0.80
-25
-30
0.00
0.125
0.125
0.030
-
0.100
-14
-32
dB
dB
dB
dB
dB
dB
dB
dB
dB
0 dBm0 Input Signal
Transmit
Filter
Response
14
Crosstalk D/A to A/D
CT
RT
-70
dB
0 dBm0 @ 1.02 kHz
in D/A
15
Power Supply
Rejection
V
DD
V
EE
PSS
R
1
PSS
R
2
33
35
dB
dB
Input 50 mV
RMS
at
1.02 kHz
16
Overload
Fig.15)
Distortion
(See
Input
frequency=1.02kHz
AC Electrical Characteristics - Transmit (A/D) Path
- Voltages are with respect to GNDD unless otherwise stated.
T
A
=0 to 70
°
C, V
DD
=5V
±
5%, V
EE
=-5V
±
5%, V
Ref
=2.5V
±
0.5%, GNDA=GNDD=0V, Clock Frequency = 2.048MHz,
Filter Gain Setting = 0dB. Outputs unloaded unless otherwise specified.
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