MAX19790ETX+ Maxim Integrated Products, MAX19790ETX+ Datasheet - Page 4

• Manufacturer Part Number: MAX19790ETX+
• Description: Active Attenuator 250MHz to 4000MHz Du al, Analog Voltage V
• Manufacturer: Maxim Integrated Products

Specifications of MAX19790ETX+

• Mounting Style: SMD/SMT
• Package / Case: QFN-36
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

250MHz to 4000MHz Dual,
Analog Voltage Variable Attenuator
(MAX19790 Evaluation Kit, two attenuators in cascade, V
4
-10
-20
-30
-40
-50
-60
8.0
7.5
7.0
6.5
12
10
8
6
4
2
0
0
4.750
0
1
2150MHz
T
INSERTION LOSS vs. RF FREQUENCY
C
= +85°C
SUPPLY CURRENT vs. V
ATTENUATION vs. V
4.875
1000
T
T
RF FREQUENCY (MHz)
C
C
2
= -40°C
= +25°C
250MHz, 500MHz, 950MHz
V
V
CTRL
5.000
CC
2000
T
C
T
T
(V)
= +25°C
(V)
C
C
= +85°C
= -40°C
3
5.125
CTRL
3000
CC
4000MHz
5.250
4000
4
-10
-20
-30
-40
-10
-20
-30
-40
-10
-20
-30
-40
-50
-60
0
0
0
0
1
1
T
500MHz
C
INPUT MATCH vs. RF FREQUENCY
T
CC
= +85°C
C
= -40°C, +25°C, +85°C
= +5.0V, P
INPUT MATCH vs. V
ATTENUATION vs. V
1000
RF FREQUENCY (MHz)
2
2
T
C
2150MHz
= -40°C
V
V
4000MHz
CTRL
CTRL
2000
RF
(V)
(V)
Typical Operating Characteristics
= -10dBm, T
3
3
3000
CTRL
CTRL
f
250MHz
RF
T
950MHz
C
= 950MHz
= +25°C
C
4000
= +25NC, V
4
4
200
150
100
-10
-20
-30
-40
-10
-20
-30
-40
-50
50
0
0
0
CTRL
0
1
1
T
500MHz
REFERENCED TO INSERTION-LOSS STATE.
POSITIVE PHASE = ELECTRICALLY
OUTPUT MATCH vs. RF FREQUENCY
C
2150MHz
= +85°C
= +1.0V, unless otherwise noted.)
950MHz
500MHz
S21 PHASE CHANGE vs. V
OUTPUT MATCH vs. V
1000
250MHz
RF FREQUENCY (MHz)
2
2
T
C
4000MHz
= -40°C
V
V
SHORTER.
4000MHz
950MHz
CTRL
CTRL
2000
(V)
(V)
3
3
3000
250MHz
CTRL
T
C
CTRL
2150MHz
= +25°C
4000
4
4