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MAX2065

50MHz to 1000MHz High-Linearity, Serial/Parallel-Controlled Analog/Digital VGA

Maxim Integrated 

50MHz to 1000MHz High-Linearity, Serial/

Parallel-Controlled Analog/Digital VGA

+5V SUPPLY AC ELECTRICAL CHARACTERISTICS (continued)

(Typical Application Circuit, VCC = +4.75 to +5.25V, HC mode with each attenuator set for maximum gain, 50MHz ≤ fRF ≤ 1000MHz,

TC = -40°C to +85°C. Typical values are at VCC = +5.0V, HC mode, PIN = -20dBm, fRF = 200MHz, and TC = +25oC, unless otherwise

noted.) (Note 5)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX

Analog Control Input Impedance

80

Input Return Loss

50Ω source

22

Output Return Loss

50Ω load

22

D/A CONVERTER

Number of Bits

8

Output Voltage

DAC code = 00000000

DAC code = 11111111

0.25

2.75

SERIAL PERIPHERAL INTERFACE (SPI)

Maximum Clock Speed

fCLK

20

Data-to-Clock Setup Time

tCS

2

Data-to-Clock Hold Time

tCH

2.5

Clock-to-CS Setup Time

tES

3

CS Positive Pulse Width

tEW

7

CS Setup Time

tEWS

3.5

Clock Pulse Width

tCW

5

Note 5: All limits include external component losses. Output measurements are performed at RF output port of the Typical

Application Circuit.

Note 6: Operating outside this range is possible, but with degraded performance of some parameters.

Note 7: Guaranteed by design and characterization.

Note 8: It is advisable not to operate continuously the VGA RF input above +15dBm.

UNITS

kΩ

dB

dB

Bits

V

MHz

ns

ns

ns

ns

ns

ns

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