AccessRunner ADSL-USB Modem Device Set Data Sheet
3.4.2
CX20441 LD Electrical and Environmental Specifications
CX20441 LD analog electrical characteristics are listed Table 3-22.
CX20441 LD operating conditions are specified in Table 3-23.
CX20441 LD absolute maximum ratings are stated in Table 3-24.
CX20441 LD power consumption is listed in Table 3-25.
Table 3-22. CX20441 LD Analog Electrical Characteristics
Parameter
Min
Typ
Max
Units
Differential output amplitude
Differential input amplitude
Input signal bandwidth
Input referred noise density in 170 kHz – 1104 kHz
Input referred noise density beyond 1104 kHz
4.485
2.0
Vp
Vp
kHz
25..132
5
10
270
nV/sqrt (Hz)
nV/sqrt (Hz)
dBV
Intermodulation product falling in the downstream band from two in-band
tones (100 kHz and 120 kHz)
-75
Differential gain
In-band ripple
Input capacitance (single-ended)
Input resistance (single-ended)
Output capacitance (single-ended)
Output resistive load (single-ended)
7.014
dB
dB
PF
kΩ
pF
Ω
0.05
15
20
10
18.36
Table 3-23. CX20441 LD Operating Conditions
Parameter
Symbol
Min
Typ
Max
Units
VDC
°C
Power supply
AVDD
TA
4.75
0
5
5.25
70
Operating ambient temperature
Table 3-24. CX20441 LD Absolute Maximum Ratings
Parameter
Power supply
Symbol
AVDD
VIN
Min
Max
Units
VDC
VDC
VDC
°C
-0.35
-0.35
-0.35
-65
7
Digital input voltage
Analog input voltage
Storage temperature
AVDD + 0.35
AVDD + 0.35
150
VIN
TS
Table 3-25. CX20441 LD Power Consumption
Typ.
Current
(mA)
Max.
Current
(mA)
Typ.
Power
(mW)
Max.
Power
(mW)
Mode
AVDD
18
24
90
126
NOTES:
1. Operating voltage: AVDD = +5.0 VDC ± 0.25 VDC.
2. Test conditions:
AVDD = +5.0 VDC for typical values; AVDD = +5.25 VDC for maximum values; modem in Showtime mode.
Conexant
100427B
3-27
CONEXANT [ CONEXANT SYSTEMS, INC ]
