LT5517EUF Linear Technology, LT5517EUF Datasheet - Page 4

• Manufacturer Part Number: LT5517EUF
• Description: IC DEMOD QUAD 40-900MHZ 16-QFN
• Manufacturer: Linear Technology

Specifications of LT5517EUF

• Function: Demodulator
• Lo Frequency: 80MHz ~ 1.8GHz
• Rf Frequency: 40MHz ~ 900MHz
• P1db: 10dBm
• Gain: 3.3dB
• Noise Figure: 12.4dB
• Current - Supply: 110mA
• Voltage - Supply: 4.5 V ~ 5.25 V
• Package / Case: 16-QFN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

LT5517
f
TYPICAL PERFOR A CE CHARACTERISTICS
4
RF
–100
–20
–40
–60
–80
20
28
24
20
16
12
50
= 800MHz, P
70
65
60
55
45
40
35
30
0
8
4
0
–18
4.5
–15
I/Q Output Power, IM3
vs RF Input Power
Conv Gain, IIP3 vs Supply Voltage
IIP2 vs 2XLO Input Power
f
V
f
V
f
V
2XLO
2XLO
CC
2XLO
CC
CC
= 5V
= 5V
= 5V
= 1602MHz
–14
= 1602MHz
= 1602MHz
–12
4.75
2XLO INPUT POWER (dBm)
RF INPUT POWER (dBm)
T
SUPPLY VOLTAGE (V)
A
2XLO
= 25 C
OUTPUT POWER
–10
IIP3
CONV GAIN
–9
T
f
f
f
f
A
RF1
RF2
RF1
RF2
= –10dBm, unless otherwise noted. (Test circuit shown in Figure 2)
= 85 C
IM3
5
T
= 799.9MHz
= 800.1MHz
= 799.9MHz
= 800.1MHz
A
–6
= –40 C
–6
5.25
T
T
T
T
T
T
W
A
A
A
–2
A
A
A
–3
= 85 C
= 25 C
= –40 C
= 85 C
= 25 C
= –40 C
5517 G07
5517 G04
5517 G10
U
5.5
2
0
–0.20
–0.40
–0.60
–0.80
–100
–110
–120
0.60
0.40
0.20
–60
–80
–90
0.80
–70
14
12
10
0
6
8
4
–15
–15
0
I/Q Gain Mismatch
vs RF Input Frequency
NF vs 2XLO Input Power
LO-RF Leakage
vs 2XLO Input Power
T
V
P
f
V
T
V
BB
A
CC
2XLO
CC
A
CC
100
= 25 C
= 1MHz
= 25 C
= 5V
= 5V
= 5V
–12
= –10dBm
–12
200
RF INPUT FREQUENCY (MHz)
2XLO INPUT POWER (dBm)
2XLO INPUT POWER (dBm)
300
f
2XLO
f
f
2XLO
2XLO
f
f
f
–9
RF
RF
RF
f
–9
RF
400
= 1600MHz
= 800MHz
= 400MHz
= 200MHz
= 800MHz
= 40MHz
= 80MHz
500
–6
–6
600
T
T
T
700
–3
A
A
A
–3
= 85 C
= 25 C
= –40 C
800
5517 G05
5517 G11
5517 G08
900
0
0
–100
–110
–120
–60
–80
–90
–70
–2
–6
24
20
16
12
–4
8
4
0
6
2
0
4
–15
–15
0
I/Q Phase Mismatch
vs RF Input Frequency
Conv Gain, IIP3
vs 2XLO Input Power
2XLO-RF Leakage
vs 2XLO Input Power
P
f
V
T
V
f
V
f
f
BB
2XLO
RF1
RF2
A
CC
2XLO
CC
CC
100
= 25 C
= 1MHz
= 5V
= 5V
= 5V
= 799.9MHz
= 800.1MHz
–12
–12
= 1602MHz
= –10dBm
200
T
T
T
RF INPUT FREQUENCY (MHz)
2XLO INPUT POWER (dBm)
2XLO INPUT POWER (dBm)
A
A
A
= 85 C
= 25 C
= –40 C
300
–9
–9
CONV GAIN
400 500
f
2XLO
f
2XLO
f
2XLO
IIP3
= 1600MHz
= 800MHz
–6
–6
= 80MHz
600 700 800
T
T
T
A
A
A
–3
–3
= 85 C
= 25 C
= –40 C
5517 G06
5517 G09
5517 G12
5517f
900
0
0