Datasheet

MAX9989/MAX9990
+14dBm to +20dBm LO Buffers
with ±1dB Variation
4 _______________________________________________________________________________________
MAX9989 toc01
OUTPUT POWER (dBm)
SUPPLY CURRENT (mA)
191817161514131211
105
110
115
120
100
10 20
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
SUPPLY CURRENT vs. OUTPUT POWER
OUTLO
20
19
18
17
16
15
14
13
12
11
10
-5 -3 -2-4 0-1 21345678910
MAX9989 toc02
INPUT POWER (dBm)
OUTPUT POWER (dBm)
OUTPUT POWER vs. INPUT POWER
OUTLO
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
MAX9989 toc03
INPUT POWER (dBm)
OUTPUT POWER (dBm)
862 4-2 0-4
-3
-2
-1
0
1
2
3
4
5
6
-4
-6 10
OUTPUT POWER vs. INPUT POWER
OUTPLL
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
MAX9989 toc04
OPERATING FREQUENCY (MHz)
OUTPUT POWER (dBm)
11001000900800700600
15
16
17
18
19
20
14
500 1200
OUTPUT POWER vs. FREQUENCY
OUTLO
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
MAX9989 toc05
OPERATING FREQUENCY (MHz)
OUTPUT POWER (dBm)
11001000900800700600
1
2
3
4
5
6
7
0
500 1200
OUTPUT POWER vs. FREQUENCY
OUTPLL
T
A
= -40°C
T
A
= +25°C
T
A
= +85°C
AMBIENT TEMPERATURE (°C)
OUTPUT POWER (dBm)
806020 400-20
16.2
16.4
16.6
16.8
17.0
17.2
17.4
17.6
17.8
18.0
16.0
107.5
108.0
108.5
109.0
109.5
110.0
110.5
111.0
111.5
112.0
107.0
-40
OUTPUT POWER AND SUPPLY CURRENT
vs. TEMPERATURE
MAX9989 toc06
SUPPLY CURRENT (mA)
P
OUTLO
I
CC
OUTPUT POWER vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
OUTLO OUTPUT POWER (dBm)
5.34.7 5.14.9
14.5
15.0
15.5
16.0
16.5
17.0
17.5
18.0
14.0
4.5 5.5
MAX9989 toc07
6.0
5.0
4.5
4.0
3.5
3.0
2.5
2.0
5.5
OUTPLL OUTPUT POWER (dBm)
OUTLO
OUTPLL
Typical Operating Characteristics
(V
CC
= 5.0V, nominal bias, f
IN
= 900MHz, P
IN
= +7dBm, T
A
= +25°C, unless otherwise noted.) (Shaded regions are outside the
guaranteed operating range, and are provided for reference only.)
MAX9989