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W681512RG 参数 Datasheet PDF下载

W681512RG图片预览
型号: W681512RG
PDF下载: 下载PDF文件 查看货源
内容描述: 单通道语音频带编解码器 [SINGLE-CHANNEL VOICEBAND CODEC]
分类和应用: 解码器编解码器电信电路
文件页数/大小: 38 页 / 317 K
品牌: WINBOND [ WINBOND ]
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W681512  
10.3. ANALOG DISTORTION AND NOISE PARAMETERS  
VDD=5V ±10%; VSS=0V; TA=-40°C to +85°C; all analog signals referred to VAG  
MCLK=BCLK= 2.048MHz; FST=FSR=8kHz synchronous operation  
;
PARAMETER  
SYM.  
CONDITION  
TRANSMIT (A/D)  
MIN. TYP. MAX.  
RECEIVE (D/A)  
TYP. MAX.  
UNIT  
MIN.  
34  
36  
30  
25  
34  
36  
30  
25  
---  
Total Distortion vs.  
Level Tone (1020 Hz,  
μ-Law, C-Message  
Weighted)  
+3 dBm0  
36  
36  
29  
25  
36  
36  
29  
25  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
-47  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
dBC  
DLTμ  
0 dBm0 to -30 dBm0  
-40 dBm0  
---  
-45 dBm0  
---  
Total Distortion vs.  
Level Tone (1020 Hz,  
A-Law, Psophometric  
Weighted)  
DLTA  
+3 dBm0  
---  
dBp  
dB  
0 dBm0 to -30 dBm0  
-40 dBm0  
---  
---  
-45 dBm0  
---  
Spurious Out-Of-Band DSPO  
at RO+ (300 Hz to  
3400 Hz @ 0dBm0)  
4600 Hz to 7600 Hz  
7600 Hz to 8400 Hz  
8400 Hz to 100000 Hz  
300 to 3000 Hz  
-30  
-40  
-30  
-47  
---  
---  
Spurious In-Band (700 DSPI  
Hz to 1100 Hz @  
0dBm0)  
---  
dB  
dB  
Intermodulation  
Distortion (300 Hz to  
3400 Hz –4 to –21  
dBm0  
DIM  
Two tones  
---  
---  
-41  
---  
---  
-41  
Crosstalk (1020 Hz @ DXT  
0dBm0)  
---  
---  
---  
---  
-75  
---  
---  
---  
---  
-75  
dBm0  
Absolute Group Delay  
1200Hz  
360  
240  
μsec  
μsec  
τABS  
Group Delay  
500 Hz  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
750  
380  
130  
130  
750  
18  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
---  
750  
370  
120  
120  
750  
13  
τD  
Distortion (relative to  
group delay @ 1200  
Hz)  
600 Hz  
1000 Hz  
2600 Hz  
2800 Hz  
Idle Channel Noise  
NIDL  
dBrnc0  
dBm0p  
μ-Law; C-message  
-68  
-78  
A-Law; Psophometric  
Publication Release Date: April, 2007  
Revision C14  
- 23 -  
 
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