9
Maxim Integrated
MAX19792
500MHz to 4000MHz Dual Analog Voltage Variable
Attenuator with On-Chip 10-Bit SPI-Controlled DAC
Typical Operating Characteristics (continued)
(Typical Application Circuit, V
CC
= 5V, configured for single attenuator, RF ports are driven from 50I sources and loaded into 50I,
V
DAC_LOGIC
= 0V, RDBK_EN = Logic 0, V
CTRL
= 1V, P
IN
= 0dBm, f
RF
= 1500MHz, T
C
= 25癈, unless otherwise noted.).
INPUT IP2 vs. V
CTRL
V
CTRL
(V)
2
3
60
80
100
40
1
4
f
RF
= 500MHz
P
IN
= 0dBm/TONE
INPUT IP2 vs. V
CTRL
V
CTRL
(V)
3
2
70
80
90
100
60
1
4
f
RF
= 3500MHz
P
IN
= 0dBm/TONE
INPUT IP2 vs. V
CTRL
V
CTRL
(V)
3
2
70
80
90
100
60
1
4
f
RF
= 2200MHz
P
IN
= 0dBm/TONE
INPUT IP2 vs. V
CTRL
V
CTRL
(V)
3
2
70
80
90
100
60
1
4
f
RF
= 1500MHz
P
IN
= 0dBm/TONE
T
C
= -40癈, +25癈, +85癈
INPUT IP2 vs. V
CTRL
V
CTRL
(V)
3
2
70
80
90
100
60
1
4
f
RF
= 2700MHz
P
IN
= 0dBm/TONE
INPUT IP2 vs. V
CTRL
V
CTRL
(V)
2
3
50
60
70
40
1
4
f
RF
= 900MHz
P
IN
= 0dBm/TONE
INPUT IP2 vs. V
CTRL
V
CTRL
(V)
3
2
70
80
90
100
60
1
4
f
RF
= 1700MHz
P
IN
= 0dBm/TONE