CX20441-11 datasheet(43/56 Pages) CONEXANT

部件名	CX20441-11

功能描述	AccessRunner ADSL-USB Modem Device Set

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制造商	CONEXANT [Synaptics Incorporated.]

网页	https://www.synaptics.com/

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AccessRunner ADSL-USB Modem Device Set Data Sheet

100427B

Conexant

3-27

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

4.485

Vp

Differential input amplitude

2.0

Vp

Input signal bandwidth

25..132

kHz

Input referred noise density in 170 kHz – 1104 kHz

5

10

nV/sqrt (Hz)

Input referred noise density beyond 1104 kHz

270

nV/sqrt (Hz)

Intermodulation product falling in the downstream band from two in-band

tones (100 kHz and 120 kHz)

-75

dBV

Differential gain

7.014

dB

In-band ripple

0.05

dB

Input capacitance (single-ended)

15

PF

Input resistance (single-ended)

20

k

Ω

Output capacitance (single-ended)

10

pF

Output resistive load (single-ended)

18.36

Ω

Table 3-23. CX20441 LD Operating Conditions

Parameter

Symbol

Min

Typ

Max

Units

Power supply

AVDD

4.75

5

5.25

VDC

Operating ambient temperature

TA

0

70

°C

Table 3-24. CX20441 LD Absolute Maximum Ratings

Parameter

Symbol

Min

Max

Units

Power supply

AVDD

-0.35

7

VDC

Digital input voltage

VIN

-0.35

AVDD + 0.35

VDC

Analog input voltage

VIN

-0.35

AVDD + 0.35

VDC

Storage temperature

TS

-65

150

°C

Table 3-25. CX20441 LD Power Consumption

Mode

Typ.

Current

(mA)

Max.

Current

(mA)

Typ.

Power

(mW)

Max.

Power

(mW)

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.

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