Datasheet

MAX2065
50MHz to 1000MHz High-Linearity, Serial/
Parallel-Controlled Analog/Digital VGA
_______________________________________________________________________________________ 5
+5V SUPPLY AC ELECTRICAL CHARACTERISTICS (continued)
( Typical Application Circuit , V
CC
= +4.75 to +5.25V, HC mode with each attenuator set for maximum gain, 50MHz ≤ f
RF
≤ 1000MHz,
T
C
= -40°C to +85°C. Typical values are at V
CC
= +5.0V, HC mode, P
IN
= -20dBm, f
RF
= 200MHz, and T
C
= +25
o
C, unless otherwise
noted.) (Note 5)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Analog Control Input Impedance 80 kΩ
Input Return Loss 50Ω source 22 dB
Output Return Loss 50Ω load 22 dB
D/A CONVERTER
Number of Bits 8 Bits
DAC code = 00000000 0.25
Output Voltage
DAC code = 11111111 2.75
V
SERIAL PERIPHERAL INTERFACE (SPI)
Maximum Clock Speed f
CLK
20 MHz
Data-to-Clock Setup Time t
CS
2ns
Data-to-Clock Hold Time t
CH
2.5 ns
Clock-to-CS Setup Time t
ES
3ns
CS Positive Pulse Width t
EW
7ns
CS Setup Time t
EWS
3.5 ns
Clock Pulse Width t
CW
5ns
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.