lt5557 Linear Technology Corporation, lt5557 Datasheet - Page 4

• Manufacturer Part Number: lt5557
• Description: 400mhz To 3.8ghz 3.3v High Linearity Downconverting Rf Mixer
• Manufacturer: Linear Technology Corporation

LT5557
Midband (No external RF/LO matching) 240MHz IF output, P
unless otherwise noted.
4
TYPICAL PERFOR A CE CHARACTERISTICS
27
25
23
21
19
17
15
13
11
26
24
22
20
18
16
14
12
10
27
25
23
21
19
17
15
13
11
9
7
5
3
1
8
6
4
2
9
7
5
3
1
–9
1.6
–50
Conversion Gain, IIP3 and NF
vs RF Frequency
1750MHz Conversion Gain, IIP3
and NF vs LO Power
Conversion Gain and IIP3
vs Temperature (Low-Side LO)
SSB NF
SSB NF
IIP3
1.7
IIP3
G
G
IIP3
–25
–7
G
C
C
C
LO INPUT POWER (dBm)
1.8
RF FREQUENCY (GHz)
TEMPERATURE (°C)
–5
0
1.9
–3
25
2.0
–1
50
2.1
LOW-SIDE LO
LOW-SIDE LO
HIGH-SIDE LO
IF = 240MHz
IF = 240MHz
IF = 240MHz
W
T
1750MHz
1950MHz
2150MHz
A
1
75
2.2
= 25°C
–40°C
25°C
85°C
5557 G07
5557 G01
5557 G04
U
2.3
100
3
–20
–40
–50
–60
–30
26
24
22
20
18
16
14
12
10
27
25
23
21
19
17
15
13
11
8
6
4
2
0
9
7
5
3
1
1.2
–50
–9
LO Leakage and RF Isolation vs
LO and RF Frequency
1950MHz Conversion Gain, IIP3
and NF vs LO Power
Conversion Gain and IIP3
vs Temperature (High-Side LO)
IIP3
–25
–7
G
1.5
SSB NF
C
LO-RF
LO-IF
IIP3
G
LO/RF FREQUENCY (GHz)
LO INPUT POWER (dBm)
RF
C
TEMPERATURE (°C)
–5
= –6dBm (–6dBm/tone for 2-tone IIP3 tests, Δf = 1MHz), P
0
1.8
–3
25
2.1
–1
50
LOW-SIDE LO
P
LO
IF = 240MHz
IF = 240MHz
RF-LO
RF-IF
2.4
T
= –3dBm
1750MHz
1950MHz
2150MHz
A
75
1
= 25°C
–40°C
25°C
85°C
5557 G02
5557 G08
5557 G05
V
2.7
100
3
CC
35
25
15
55
45
= 3.3V, Test circuit shown in Figure 1.
26
24
22
20
18
16
14
12
10
26
24
22
20
18
16
14
12
10
8
6
4
2
0
8
6
4
2
0
2.9
–9
87
86
85
84
83
82
81
80
79
78
77
1950MHz Conversion Gain, IIP3
and NF vs Supply Voltage
2150MHz Conversion Gain, IIP3
and NF vs LO Power
2.9
Supply Current vs Supply Voltage
–7
SSB NF
3.1
IIP3
G
3.1
SSB NF
LO INPUT POWER (dBm)
C
IIP3
SUPPLY VOLTAGE (V)
G
–5
C
SUPPLY VOLTAGE (V)
3.3
3.3
–3
–10°C
–40°C
85°C
60°C
25°C
3.5
3.5
LO
–1
LOW-SIDE LO
LOW-SIDE LO
= –3dBm,
IF = 240MHz
IF = 240MHz
3.7
1
3.7
–40°C
25°C
85°C
–40°C
25°C
85°C
5557 G09
5557 G06
5557fa
5557 G03
3
3.9
3.9