CX74005 Просмотр технического описания (PDF) - Skyworks Solutions

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CX74005

VGA + I/Q Demodulator Rx ASIC for Portable Phone Applications

Skyworks Solutions 

Rx ASIC

CX74005

Parameter

Supply voltage (VCC)

Input voltage range

Power dissipation

Ambient operating temperature

Storage temperature

Table 3. Absolute Maximum Ratings

Minimum

–0.3

–0.3

–30

–40

Maximum

+5.5

VCC

600

+80

+125

Units

V

V

mW

°C

°C

Table 4. Recommended Operating Conditions

Parameter

Supply voltage (VCC)

Operating temperature

Impedance of logic inputs

Logic 0

Logic 1

Minimum

2.7

–30

0.0

VCC – 0.5

Typical

3.0

+25

50

Maximum

3.3

+80

0.5

VCC

Units

V

°C

kΩ

V

V

Table 5. CX74005 Rx ASIC Electrical Specifications (1 of 2)

(TA = 25° C, VCC = 3.0 V)

Parameter

Frequency range

Input impedance:

AMPS input (single ended)

CDMA input (differential)

PCS input (differential)

Voltage gain:

Maximum (AMPS)

Minimum (AMPS)

Maximum (CDMA)

Minimum (CDMA)

Maximum (PCS)

Minimum (PCS)

Voltage gain slope

Voltage gain slope linearity (over any 6 dB segment)

VGA + I/Q IIP3:

@ Maximum voltage gain (AMPS)

@ Maximum voltage gain (CDMA)

@ Maximum voltage gain (PCS)

Input 1 dB compression @ minimum gain

VGA + I/Q noise figure:

@ Maximum gain (AMPS)

@ Maximum gain (CDMA)

@ Maximum gain (PCS)

@ Minimum gain

Test Condition

Rx VGA - I/Q Demodulator

VGA_GC (V)

2.5

0.5

2.5

0.5

2.5

0.5

VGA_GC (V)

2.5

2.5

2.5

Min Typical Max

50

300

1000

1000

1000

55

–45

52.5

–46

50

–46

49

–3

+3

–50.5

–48.5

–47

–10

8

5.5

5.5

–50

Units

MHz

Ω

Ω

Ω

dB

dB

dB

dB

dB

dB

dB/V

dB

dBm

dBm

dBm

dBm

dB

dB

dB

dB

101252A

Conexant - Preliminary

5

March 13, 2001

Proprietary Information and Specifications Are Subject to Change

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