欢迎访问ic37.com |
会员登录 免费注册
发布采购

CX20431-21 参数 Datasheet PDF下载

CX20431-21图片预览
型号: CX20431-21
PDF下载: 下载PDF文件 查看货源
内容描述: AccessRunner ADSL -USB调制解调器设备设置 [AccessRunner ADSL-USB Modem Device Set]
分类和应用: 调制解调器
文件页数/大小: 56 页 / 363 K
品牌: CONEXANT [ CONEXANT SYSTEMS, INC ]
 浏览型号CX20431-21的Datasheet PDF文件第34页浏览型号CX20431-21的Datasheet PDF文件第35页浏览型号CX20431-21的Datasheet PDF文件第36页浏览型号CX20431-21的Datasheet PDF文件第37页浏览型号CX20431-21的Datasheet PDF文件第39页浏览型号CX20431-21的Datasheet PDF文件第40页浏览型号CX20431-21的Datasheet PDF文件第41页浏览型号CX20431-21的Datasheet PDF文件第42页  
AccessRunner ADSL-USB Modem Device Set Data Sheet  
3.3.2  
CX20431 AFE Electrical and Environmental Specifications  
CX20431 AFE DC electrical characteristics are listed Table 3-15.  
CX20431 AFE analog electrical characteristics are listed Table 3-16.  
CX20431 AFE operating conditions are specified in Table 3-17.  
CX20431 AFE absolute maximum ratings are stated in Table 3-18.  
CX20431 AFE power consumption is listed in Table 3-19.  
Table 3-15. CX20431 AFE DC Electrical Characteristics  
Parameter  
Input high voltage  
Symbol  
Min.  
Typ.  
Max.  
Units  
Test Conditions  
(see Note 1)  
VIH  
VIL  
IIL  
0.65*VDD  
-0.35  
VDD+0.35  
0.25*VDD  
10  
VDC  
VDC  
µA  
VDC  
VDC  
µA  
Input low voltage  
Input leakage current  
Output high voltage  
Output low voltage  
Output leakage current  
-10  
VOH  
VOL  
IOLK  
0.85*VDD  
VDD  
0.1*VDD  
10  
0
10  
NOTES:  
1. Test Conditions (unless otherwise stated):  
DVDD and AVDD = +5.0 ± 0.25 VDC  
V
= +5.25V  
IN (MAX)  
2. Current flow out of the device is shown as minus.  
Table 3-16. CX20431 AFE Analog Electrical Characteristics  
Parameter  
Min  
Typ  
Max  
Units  
Receive Path  
Differential input amplitude of in-band signal  
Differential input amplitude of echo  
Input-referred noise density in 170 kHz – 1104 kHz, gain = 27 dB  
Input-referred noise density in 170 kHz – 1104 kHz, gain = 0 dB  
Intermodulation product falling in the downstream band, from an echo tone  
with an in band signal, gain = 27 dB  
2
2.1  
20  
Vp  
Vp  
15  
150  
-80  
nV/sqrt (Hz)  
nV/sqrt (Hz)  
dBFS  
Intermodulation product falling in the downstream band, from 2 in band tones,  
gain = 0 dB  
In-band ripple  
Input resistance (single-ended)  
Input capacitance (single-ended)  
-80  
1.5  
dBFS  
dB  
kΩ  
pF  
85  
90  
Transmit Path  
Differential output amplitude  
Output-referred noise density in 25 kHz – 132 kHz  
Output-referred noise density in 170 kHz – 1104 kHz  
Intermodulation product from 2 in band tones  
In-band ripple  
2
250  
20  
-80  
1.25  
20  
Vp  
nV/sqrt (Hz)  
nV/sqrt (Hz)  
dBV  
300  
dB  
Output resistive load (single-ended)  
5
kΩ  
Output capacitive load (single-ended)  
20  
pF  
3-22  
Conexant  
100427B  
 复制成功!