Datasheet

MAX2027
IF Digitally Controlled Variable-Gain Amplifier
6 _______________________________________________________________________________________
INPUT IP3 vs. ATTENUATION STATE
MAX2027 toc15
ATTENUATION STATE
IIP3 (dBm)
20161284
20
30
25
35
40
45
15
024
f
IN
= 400MHz
f
IN
= 200MHz
f
IN
= 50MHz
P
RF1
= P
RF2
= 5dBm
AT OUTPUT, ∆f = 1MHz
2ND HARMONIC vs. FREQUENCY
MAX2027 toc16
FREQUENCY (MHz)
HARMONIC (dBc)
350300250200150100
-55
-50
-45
-40
-35
-30
-60
50 400
T
A
= +85°C
T
A
= -40°C
T
A
= +25°C
2ND HARMONIC vs. FREQUENCY
MAX2027 toc17
FREQUENCY (MHz)
HARMONIC (dBc)
350300250200150100
-55
-50
-45
-40
-35
-30
-60
50 400
V
CC
= +5V
V
CC
= +5.25V
V
CC
= +4.75V
O1P2 vs. FREQUENCY
(F1 + F2)
MAX2027 toc18
FREQUENCY (MHz)
O1P2 (dBm)
350300250200150100
39
41
43
45
49
47
51
37
50 400
T
A
= +25°C
T
A
= +85°C
T
A
= -40°C
P
RF1
= P
RF2
= 5dBm
AT OUTPUT, ∆f = 1MHz
O1P2 vs. FREQUENCY
(F1 + F2)
MAX2027 toc19
FREQUENCY (MHz)
O1P2 (dBm)
350300250200150100
39
41
43
45
49
47
51
37
50 400
V
CC
= +4.75V
V
CC
= +5.0V
V
CC
= +5.25V
P
RF1
= P
RF2
= 5dBm
AT OUTPUT, ∆f = 1MHz
3RD HARMONIC vs. FREQUENCY
MAX2027 toc20
FREQUENCY (MHz)
HARMONIC (dBc)
350300250200150100
-80
-75
-70
-65
-60
-55
-85
50 400
T
A
= +25°C
T
A
= +85°C
T
A
= -40°C
3RD HARMONIC vs. FREQUENCY
MAX2027 toc21
FREQUENCY (MHz)
HARMONIC (dBc)
350300250200150100
-80
-75
-70
-65
-60
-55
-85
50 400
V
CC
= +4.75V
V
CC
= +5.25V
V
CC
= +5V
Typical Operating Characteristics (continued)
(Typical application circuit, V
CC
= 5.0V, max gain (B0 = B1 = B2 = B3 = B4 = 0), P
OUT
= 5dBm, R
1
= 825Ω, T
A
= +25°C, unless
otherwise noted.)