CX74001(2000) 데이터 시트보기 (PDF) - Conexant Systems

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CX74001
(Rev.:2000)

Rx ASIC for CDMA, AMPS, and PCS Applications

Conexant Systems 

CX74001

Table 5. Logic Control for LNA Gain Step

LNA_CTRL0

LNA_CTRL1

AMPS

0

0

HIGH

1

0

MEDIUM (Note 1)

0

1

BYPASS (Note 1)

1

1

BYPASS (Note 1)

Key: 0 = Low, OFF

1 = High, ON

X = Do not care

Notes: 1. These modes are available but not used to meet the IS-98 Specifications.

CELL CDMA

HIGH

MEDIUM

BYPASS

BYPASS

Rx ASIC

PCS CDMA

HIGH

BYPASS

HIGH

BYPASS

Parameter

Supply voltage (VCC)

Input voltage range

LNA input power

Power dissipation

Ambient operating temperature

Storage temperature

Table 6. Absolute Maximum Ratings

Minimum

–0.3

–0.3

–30

–40

Maximum

+5.5

VCC

+5

600

+80

+125

Units

V

V

dBm

mW

°C

°C

Parameter

Supply voltage (VCC)

Operating temperature

Impedance of logic inputs

VIL Logic Low Input Voltage

VIH Logic High Input Voltage

Table 7. Recommended Operating Conditions

Min

Typical

Max

2.7

3.0

3.3

–30

+25

+80

50

0.0

0.5

VCC – 0.5

VCC

Units

V

°C

KΩ

V

V

8

Conexant - Preliminary

101134A

Proprietary Information

October 20, 2000

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