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SiGe High-Linearity, 815MHz to 1000MHz
Downconversion Mixer with LO Buffer/Switch
ABSOLUTE MAXIMUM RATINGS
V CC to GND ...........................................................-0.3V to +5.5V
IF+, IF-, LOBIAS, LOSEL, IFBIAS to GND...-0.3V to (V CC + 0.3V)
TAP ........................................................................-0.3V to +1.4V
LO1, LO2, LEXT to GND........................................-0.3V to +0.3V
RF, LO1, LO2 Input Power .............................................+12dBm
RF (RF is DC shorted to GND through a balun) .................50mA
θ JA .................................................................................+38 ° C/W
θ JC .................................................................................+13 ° C/W
Operating Temperature Range (Note A) ....T C = -40 ° C to +85 ° C
Junction Temperature ......................................................+150 ° C
Storage Temperature Range .............................-65 ° C to +150 ° C
Lead Temperature (soldering, 10s) .................................+300 ° C
Continuous Power Dissipation (T A = +70 ° C)
20-Pin Thin QFN-EP (derate 26.3mW/ ° C above +70 ° C)...........2.1W
Note A: T C is the temperature on the exposed paddle of the package.
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
DC ELECTRICAL CHARACTERISTICS
(MAX9986A Typical Application Circuit , V CC = +4.75V to +5.25V, no RF signal applied, IF+ and IF- outputs pulled up to V CC through
inductive chokes, R1 = 953 ? , R2 = 619 ? , T C = -40 ° C to +85 ° C, unless otherwise noted. Typical values are at V CC = +5V, T C =
+25 ° C, unless otherwise noted.)
PARAMETER
Supply Voltage
Supply Current
SYMBOL
V CC
I CC
CONDITIONS
MIN
4.75
TYP
5.00
213
MAX
5.25
250
UNITS
V
mA
LO_SEL Input-Logic Low
LO_SEL Input-Logic High
V IL
V IH
2
0.8
V
V
AC ELECTRICAL CHARACTERISTICS
(MAX9986A Typical Application Circuit , V CC = +4.75V to +5.25V, RF and LO ports are driven from 50 ? sources, P LO = -3dBm to
+3dBm, P RF = -5dBm, f RF = 815MHz to 1000MHz, f LO = 960MHz to 1180MHz, f IF = 160MHz, f LO > f RF , T C = -40 ° C to +85 ° C, unless
otherwise noted. Typical values are at V CC = +5V, P RF = -5dBm, P LO = 0dBm, f RF = 910MHz, f LO = 1070MHz, f IF = 160MHz, T C =
+25 ° C, unless otherwise noted.) (Note 1)
PARAMETER
RF Frequency Range
LO Frequency Range
IF Frequency Range
Conversion Gain
SYMBOL
f RF
f LO
f IF
G C
(Note 2)
(Note 2)
MAX9984
(Note 2)
T C = +25 ° C
CONDITIONS
MIN
815
960
570
50
7.2
TYP
8.2
MAX
1000
1180
850
250
9.3
UNITS
MHz
MHz
MHz
dB
Gain Variation Over Temperature
T C = -40 ° C to +85 ° C
-0.009
dB/ ° C
Flatness over any one of three frequency bands:
Conversion Gain Flatness
f RF = 824MHz to 849MHz
f RF = 869MHz to 894MHz
±0.15
dB
f RF = 880MHz to 915MHz
Input Compression Point
P 1dB
(Note 3)
14.8
dBm
Two tones:
Input Third-Order Intercept Point
IIP3
f RF1 = 910MHz, f RF2 = 911MHz,
P RF = -5dBm/tone, f LO = 1070MHz,
22
25
dBm
P LO = 0dBm, T A = +25 ° C
Input IP3 Variation Over
Temperature
T C = +25 ° C to -40 ° C
T C = +25 ° C to +85 ° C
-1.8
+0.7
dB
2
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