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參數(shù)資料
| 型號： | W9321 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 編解碼器 |
| 英文描述： | ADPCM Codec(ADPCM編解碼器) |
| 中文描述： | MU-LAW, ADPCM CODEC, PDIP28 |
| 封裝： | PLASTIC, DIP-28 |
| 文件頁數(shù)： | 26/35頁 |
| 文件大小： | 457K |
| 代理商： | W9321 |
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Preliminary W9321
- 26 -
9.3.2. Distortion Characteristics for Analog Transmission Performance, continued
PARAMETER
SYM.
CONDITION
TYP.
TRANSMIT
RECEIVE
UNIT
MIN.
MAX.
MIN.
MAX.
Group Delay
Referenced to 1600 Hz
D
RTV
500 to 600 Hz
600 to 800 Hz
800 to 1000 Hz
1000 to 1600 Hz
1600 to 2600 Hz
2600 to 2800 Hz
2800 to 3000 Hz
---
---
---
---
---
---
---
---
---
---
---
---
---
---
210
130
70
35
70
95
145
---
---
---
---
---
---
---
---
---
---
---
---
---
---
μ
S
Total Distortion vs.
Level Tone
(1020 Hz, Mu-Law, C-
Message)
D
LT
+3 dBm0
0 to -30 dBm0
-40 dBm0
-45 dBm0
---
---
---
---
36
36
29
25
---
---
---
---
34
36
30
25
---
---
---
---
dBC
9.3.3.
Noise Characteristic for Analog Transmission Performance
PARAMETER
SYM.
CONDITION
TYP.
TRANSMIT
RECEIVE
UNIT
MIN.
MAX.
MIN.
MAX.
Idle Channel with
Equipment Noise
N
IDE
Mu-Law, C-Message
---
---
19
---
+11
Spurious Out-of-Band
at SPKO
(300 to 3400 Hz @ 0
dBm0)
N
SPO
4600 to 7600 Hz
7600 to 8400 Hz
8400 to 100,000 Hz
---
---
---
---
---
---
---
---
---
---
---
---
-30
-40
-30
dB
In-Band Spurious
(1020 Hz @ 0 dBm0)
N
IBS
300 to 3000 Hz
---
---
-48
---
-48
dB
Crosstalk
(1020 Hz @ 0 dBm0)
N
CTK
300 to 3000 Hz
---
---
-70
---
-70
dB
9.4. Analog Electrical Characteristics
(OP Amplifer TG, RO; Power Amplifer AXO, PO; V
DD
= +5V
±
5%, Vss = 0V; Top = -25 to +85
°
C)
PARAMETER
SYM.
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Input Offset voltage of TG
V
OFIN
TI+, TI-
---
---
±
25
mV
Input Common Mode Voltage
V
CMV
TI+, TI-
1.0
---
V
DD
-2.0
V
Load Capacitance for RO
C
LRO
RO
---
---
100
pF
Load Resistance to VAG for TG, RO
R
LD
TG, RO
2
---
---
K
VAG Output Voltage
V
AG
to V
SS
2.4
2.5
2.6
V
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