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參數資料
| 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： | 25/35頁 |
| 文件大小： | 457K |
| 代理商： | W9321 |
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Preliminary W9321
Publication Release Date: May 1999
- 25 -
Revision A1
9.2. DC Characteristics, continued
PARAMETER
Output High Voltage
Output Low Voltage
Input High Current
Input Low Current
Input Capacitance
SYM.
V
OH
V
OL
I
IL
I
IH
C
IN
CONDITION
DT, SSP Tx
DT, SSP Tx
V
SS
≤
Vin
≤
V
EXT
V
SS
≤
Vin
≤
V
EXT
All digital input pins to
V
SS
MIN.
V
EXT
-0.5
0
-10
-10
---
TYP.
----
---
---
---
---
MAX.
-----
0.4
+10
+10
10
UNIT
V
V
uA
uA
pF
9.3. Analog Transmission Characteristics
(V
DD
= +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 = 10.24 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 = 0 dBm @ 600
0.776
---
---
---
---
Vrms
Max. Transmit Level
T
XMAX
------
1.579
---
---
---
---
Vpk
Frequency Response,
Relative to 0 dbm0 @
1020 Hz
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
D
ABS
1600 Hz
---
---
440
---
---
μ
S
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