參數(shù)資料
型號(hào): STLC1512
廠商: 意法半導(dǎo)體
英文描述: NorthenLite⑩ G.lite BiCMOS Analog Front-End Circuit
中文描述: NorthenLite⑩G.lite的BiCMOS模擬前端電路
文件頁(yè)數(shù): 15/26頁(yè)
文件大小: 329K
代理商: STLC1512
15/26
STLC1512
4.5.4 Power Supply Noise
4.5.5 References
P(RXVCC1..2)
Current drawn by
RXVCC
8.6
mArms
While passing a
full scale
signal.<Superscri
pt>1
P(RXVCC1..2)
Current drawn by
RXVCC
6.6
8.4
mArms
Quiescent Current
P(PAON/PAOP)
Current supplied
through the center
tap of the
transformer.
93
mArms
RMS while driving
a DMT
signal.<Superscri
pt>1
P(PAON/PAOP)
Current supplied
through the center
tap of the
transformer.
20
36
mArms
Quiescent Current
<1>The nominal power is all that is available for the active power because the power is very dependent on the line impedance.
Table 11. Power Supply Noise
Noise Band
Maximum RXVCC Supply Noise
Spectral Density
Maximum TXVCC Supply Noise Spectral
Density
30kHz<f<120kHz
0.2uVrms/
Hz @ 120kHz, rising 20dB per
decade for decreasing frequency
10uVrms/
Hz@120kH,following 10dB per
decade for decreasing frequency to
3uVrms/
Hz @ 30kHz
1uVrms/
Hz@540kHz, rising 20dB per
decade for decreasing frequency to
7uVrms/
Hz @150kHz
150kHz<f<540kHz
0.1uVrms/
Hz@540kHz, rising 20dB per
decade for decreasing frequency
Table 12. References
PIN NAMES
Description
MIN
NOM
MAX
UNIT
COMMENTS
RBIAS
External resistance
for bias current
generation
12.3
12.4
12.5
K
To create 200uA
bias current.
REF2P5
External reference
voltage for AC
Ground.
2.425
2.5
2.575
V
External reference
voltage must be
3% accurate
I(REF2P5)
Current supplied to
REF2P5
3.75uA
8.25uA
V
TXANG/
RXANG
Tx and Rx AC ground
current sinking
capability
REF2P5*
0.97
REF2P5
REF2P5*
1.03
V
1mA source/sink
Table 10. Power Supply
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