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參數資料
| 型號： | W9320 |
| 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： | A/MU-LAW, ADPCM CODEC |
| 文件頁數： | 25/35頁 |
| 文件大小： | 444K |
| 代理商： | W9320 |
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W9320
Publication Release Date: August 1997
- 25 -
Revision A1
9.3. Analog Transmission Characteristics
(VDD = +5V
±
5%, V
SS
= 0 volt , Top = -25 to +85
°
C ; all analog signal referenced to VAG; 64 Kbps PCM; FST = FSR = 8 KHz;
BCLKT = BCLKR = 2.048 MHz; MCLK = 16.384 MHz ; Unless otherwise noted)
9.3.1. Amplitude Response for Analog Transmission Performance
PARAMETER
SYM.
CONDITION
TYP.
TRANSMIT
RECEIVE
UNIT
MIN.
MAX.
MIN.
MAX.
Absolute Level
L
ABS
0 dBm0 = -3 dBm @ 600
0.549
---
---
---
---
Vrms
Max. Transmit Level
T
XMAX
------
1.130
---
---
---
---
Vpk
Frequency Response,
Relative to 0 dbm0 @
1020Hz
G
RTV
15 Hz
50 Hz
60 Hz
200 Hz
300 to 3000 Hz
3300 Hz
3400 Hz
4000 Hz
4600 to 100, 000 Hz
----
----
---
---
---
---
---
---
---
----
---
---
-1.0
-0.20
-0.35
-0.8
---
---
-40
-30
-26
-04
+0.15
+0.15
0
-14
-32
-0.5
-0.5
-0.5
-0.5
-0.20
-0.35
-0.8
---
---
0
0
0
0
+0.15
+0.15
0
-14
-30
dB
Gain Variation vs. Level
Tone
(1020 Hz relative to -10
dBm0)
G
LT
+3 to -40 dBm0
-40 to -50 dBm0
-50 to -55 dBm0
---
---
---
-0.3
-1.0
-1.6
+0.3
+1.0
+1.6
-0.2
-0.4
-0.8
+0.2
+0.4
+0.8
dB
9.3.2. Distortion Characteristics for Analog Transmission Performance
PARAMETER
SYM.
CONDITION
TYP.
TRANSMIT
RECEIVE
UNIT
MIN.
MAX.
MIN.
MAX.
Absolute Group Delay
(1)
D
ABS
1600 Hz
---
---
440
---
---
μ
S
Group Delay
(2)
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
---
---
---
---
---
---
---
---
---
---
---
---
---
---
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
Note: (1), (2): Guaranted by engineering test, not mass production.
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