LTC5505 LINER [Linear Technology], LTC5505 Datasheet - Page 8

• Manufacturer Part Number: LTC5505
• Description: 800MHz to 2.7GHz High Linearity Direct Conversion Quadrature Demodulator
• Manufacturer: LINER [Linear Technology]

LT5575
TYPICAL AC PERFORMANCE CHARACTERISTICS
(–10dBm/tone for 2-tone IIP2 and IIP3 tests), f
Test Circuit Shown in Figure 1 (Note 6).
8
30
50
45
40
35
25
20
15
10
0
5
Conversion Gain Distribution
at 1900MHz
T
3.8
A
= 25°C
3.9
CONVERSION GAIN (dB)
4
60
30
25
50
40
20
10
35
30
20
15
10
40
0
0
5
I/Q Amplitude Mismatch Distribution
at 1900MHz vs Temperature
I-Output DC Offset Voltage
Distribution vs Temperature
4.1
2
–20
–40°C
25°C
85°C
–40°C
25°C
85°C
4.2
4
AMPLITUDE MISMATCH (mdB)
0
6
4.3
DC OFFSET (mV)
8
20
4.4
5575 G28
10
40
12
BB
14
60
= 1MHz (0.9MHz and 1.1MHz for 2-tone tests), P
30
25
20
15
10
5
0
16
IIP3 Distribution at 1900MHz
vs Temperature
21.4
80
5575 G31
5575 G33
18
21.8 22.2 22.6 23 23.4 23.8 24.2
IIP3 (dBm)
40
35
30
25
20
10
15
25
20
15
10
5
0
5
0
I/Q Phase Mismatch Distribution
at 1900MHz vs Temperature
Q-Output DC Offset Voltage
Distribution vs Temperature
–1.2
–10
24.6
– 40°C
25°C
85°C
–0.8 –0.4 0 0.4 0.8 1.2 1.6
–40°C
25°C
85°C
– 40°C
25°C
85°C
–8
5575 G29
25
–6
PHASE MISMATCH (°)
V
DC OFFSET (mV)
CC
–4
= 5V, EN = High, T
–2
35
30
25
20
15
10
LO
5
0
0
Noise Figure Distribution
at 1900MHz
12.1
= 0dBm, unless otherwise noted.
T
A
2
= 25°C
12.2
2.0
4
12.3
DSB NOISE FIGURE (dB)
5575 G34
5575 G32
2.2
12.4
6
A
= 25ºC, P
12.5
12.6
12.7
RF
12.8
= –10dBm
12.9
5575 G30
13
5575f