LTC5588-1
TYPICAL PERFORMANCE CHARACTERISTICS
VCC = 3.3V, EN = 3.3V, TA = 25°C, LOP input
AC-terminated with 50Ω to ground, BBPI, BBMI, BBPQ, BBMQ inputs 0.5VDC, and 1VP-P(DIFF), baseband input frequencies = 4.5MHz
and 5.5MHz for OIP3 and OIP2, or else baseband input frequency = 100kHz, I and Q 90° shifted, lower sideband selection, LINOPT pin
floating, unless otherwise noted. Test circuit is shown in Figure 8.
Floating LINOPT Voltage
vs Temperature
Voltage Gain vs RF Frequency
(PLOM = 0dBm or PLOM = 10dBm)
Supply Current vs Temperature
320
310
300
290
280
2.7
2.6
2.5
2.4
2
0
3.45V
3.45V
3.3V
–2
–4
–6
–8
–10
3.3V
3.15V
3.3V, 85°C
3.3V, 25°C
3.15V, 25°C
3.45V, 25°C
3.3V, –40°C
3.15V
–40
–15
10
35
60
85
–40
–15
10
35
60
85
0
2
3
4
5
6
1
TEMPERATURE (°C)
RF FREQUENCY (GHz)
TEMPERATURE (°C)
55881 G01
55881 G02
55881 G03
Output IP3 vs RF Frequency
(PLOM = 0dBm)
Output IP3 vs RF Frequency
(PLOM = 10dBm)
Output IP2 vs RF Frequency
(PLOM = 0dBm)
90
80
70
60
50
40
30
40
30
20
10
40
30
20
10
3.3V, 85°C
3.3V, 25°C
3.15V, 25°C
3.45V, 25°C
3.3V, –40°C
3.3V, 85°C
3.3V, 25°C
3.15V, 25°C
3.45V, 25°C
3.3V, –40°C
3.3V, 85°C
3.3V, 25°C
3.15V, 25°C
3.45V, 25°C
3.3V, –40°C
0
0
0
1
2
3
4
5
6
0
2
3
4
5
6
0
1
2
3
4
5
6
1
RF FREQUENCY (GHz)
RF FREQUENCY (GHz)
RF FREQUENCY (GHz)
55881 G04
55881 G06
55881 G05
Output IP2 vs RF Frequency
(PLOM = 10dBm)
P1dB vs RF Frequency
LO Feedthrough to RF Output vs
LO Frequency (PLOM = 0dBm)
(PLOM = 0dBm or PLOM = 10dBm)
14
12
10
8
90
80
70
60
50
40
30
–20
–30
–40
–50
3.3V, 85°C
3.3V, 25°C
3.15V, 25°C
3.45V, 25°C
3.3V, –40°C
6
3.3V, 85°C
3.3V, 25°C
3.15V, 25°C
3.45V, 25°C
3.3V, –40°C
4
3.3V, 85°C
3.3V, 25°C
3.15V, 25°C
3.45V, 25°C
3.3V, –40°C
2
0
–60
4
6
0
1
2
3
5
0
2
3
4
5
6
0
1
2
3
4
5
6
1
LO FREQUENCY (GHz)
RF FREQUENCY (GHz)
RF FREQUENCY (GHz)
55881 G08
55881 G07
55881 G09
55881fb
6
Linear [ Linear ]
