LT5502EGN Linear Technology, LT5502EGN Datasheet - Page 4

• Manufacturer Part Number: LT5502EGN
• Description: IC DEMOD IF QUADRATURE 24-SSOP
• Manufacturer: Linear Technology

Specifications of LT5502EGN

• Function: Demodulator
• Lo Frequency: 140MHz ~ 800MHz
• Rf Frequency: 70MHz ~ 400MHz
• Noise Figure: 4dB
• Current - Supply: 32mA
• Voltage - Supply: 1.8 V ~ 5.25 V
• Package / Case: 24-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Gain: -
• P1db: -

LT5502
TYPICAL PERFOR A CE CHARACTERISTICS
4
1200
1000
–10
–15
–20
–25
–30
–35
800
600
400
200
1.2
1.0
0.8
0.6
0.4
0.2
–5
5
0
–85
–85
LPF Frequency Response
vs Baseband Frequency
0
RSSI Output Voltage vs V
I/Q Output Swing vs IF Input Power
f
T
V
V
T
V
IF
A
A
CC
CC
CC
= 280MHz
= 25 C
= 25 C
= 3V
–70
= 3V
f
–70
= 5.5V
IF
BASEBAND FREQUENCY (MHz)
= 400MHz
4
IF INPUT POWER (dBm)
IF INPUT POWER (dBm)
–55
–55
V
f
8
CC
IF
= 70MHz
–40
–40
= 1.8V
T
A
T
A
= 85 C
= –40 C
12
f
IF
–25
–25
= 280MHz
T
CC
A
W
V
= 25 C
CC
16
–10
–10
= 3V
5502 G07
5502 G04
5502 G10
U
20
5
5
110
95
80
65
50
35
20
–73
–75
–77
–79
–81
–83
1.2
1.0
0.8
0.6
0.4
0.2
0
LPF Group Delay
vs Baseband Frequency
V
1.8
–85
IF Input Sensitivity
vs Temperature
CC
RSSI Output vs Temperature
f
V
f
IF
IF
= 3V
CC
T
= 280MHz
A
= 280MHz
BASEBAND FREQUENCY (MHz)
4
T
= 3V
–70
= 25 C
A
2.5
= –40 C
IF INPUT POWER (dBm)
SUPPLY VOLTAGE (V)
–55
8
T
T
A
A
3.5
= –40 C
= 25 C
–40
T
12
A
T
= 85 C
A
T
A
= 85 C
–25
T
= 25 C
A
4.5
= –40 C
16
T
A
= 85 C
–10
5502 G11
(Note 3)
5502 G08
5502 G05
20
5.5
5
–10
–15
–20
–25
–30
–35
–5
5
0
–79
–82
–85
0
–73
–76
LPF Frequency Response vs V
1.2
1.0
0.8
0.6
0.4
0.2
70
IF Input Sensitivity vs IF Frequency
–85
RSSI Output Voltage vs IF Frequency
V
100
CC
V
T
BASEBAND FREQUENCY (MHz)
A
CC
4
= 3V
T
= 25 C
A
= 3V
–70
= 25 C
150
IF FREQUENCY (MHz)
IF INPUT POWER (dBm)
8
–55
200
f
IF
T
V
T
= 400MHz
A
A
CC
12
–40
= 85 C
250
= 25 C
= 1.8V, 3V, 5.5V
T
A
300
–25
= –40 C
f
16
IF
f
= 280MHz
IF
CC
5502 G12
= 70MHz
350
–10
20
5502 G09
5502 G06
110
90
70
50
30
400
5