4 0 0 MHz t o 2 .5 GHz, Lo w -No is e ,
S iGe Do w n c o n ve rt e r Mix e rs
AC ELECTRICAL CHARACTERISTICS (continued)
(MAX2680/1/2 EV Kit, V = SHDN = +3.0V, T = +25°C, unless otherwise noted. RFIN and IFOUT matched to 50Ω. P = -5dBm,
CC
A
LO
P
= -25dBm.)
RFIN
PARAMETER
LO Input VSWR
CONDITIONS
50Ω source impedance
MIN
TYP
1.5:1
-23
MAX
UNITS
LO Leakage at IFOUT Port
LO Leakage at RFIN Port
IF/2 Spurious Response
f
= 1880MHz
= 1880MHz
dBm
dBm
dBm
LO
f
LO
-27
f
RF
= 1915MHz, f = 1880MHz, f = 70MHz (Note 4)
-61
LO
IF
Note 1: Guaranteed by design and characterization.
Note 2: Operation outside of this specification is possible, but performance is not characterized and is not guaranteed.
Note 3: Two input tones at -25dBm per tone.
Note 4: This spurious response is caused by a higher-order mixing product (2x2). Specified RF frequency is applied and IF output
power is observed at the desired IF frequency (70MHz).
Typ ic a l Op e ra t in g Ch a ra c t e ris t ic s
= -25dBm, P = -5dBm, T = +25°C, unless otherwise noted.)
LO A
01/MAX682
(Typical Operating Circuit, V = SHDN = +3.0V, P
CC
RFIN
MAX2680
MAX2681
MAX2682
SUPPLY CURRENT vs. SUPPLY VOLTAGE
SUPPLY CURRENT vs. SUPPLY VOLTAGE
SUPPLY CURRENT vs. SUPPLY VOLTAGE
18
17
16
15
14
13
12
11
10
9
7
6
5
4
3
2
10
9
SHDN = V
SHDN = V
CC
CC
SHDN = V
CC
T = +85°C
A
T = +85°C
A
T = +85°C
A
T = +25°C
A
8
T = +25°C
A
T = +25°C
A
T = -40°C
A
T = -40°C
7
A
T = -40°C
A
6
5
8
2.5
3.0
3.5
4.0
4.5
5.0
5.5
2.5
3.0
3.5
4.0
4.5
5.0
5.5
2.5
3.0
3.5
4.0
4.5
5.0
5.5
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
4
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