LT5521 데이터 시트보기 (PDF) - Linear Technology
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LT5521 Datasheet PDF : 16 Pages
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LT5521
TYPICAL DC PERFOR A CE CHARACTERISTICS Test circuit shown in Figure 1.
Supply Current vs Supply Voltage
(5V Application)
100
95
85°C
90
85
25°C
80
75
–40°C
70
65
60
4.7 4.8 4.9 5.0 5.1 5.2 5.3
VCC (V)
5521 G01
Supply Current vs Supply Voltage
(3.3V Application)
110
100
85°C
90
25°C
80
–40°C
70
60
50
3.1
3.2
3.3
3.4
3.5
VCC (V)
5521 G02
TYPICAL AC PERFOR A CE CHARACTERISTICS
fLO = 1700MHz, fIF = 250MHz, fRF = 1950MHz, PLO = –5dBm, VCC = 5V, EN = 2.9V, TA = 25°C, unless otherwise noted. Test circuit
shown in Figure 1 is tuned for 1.95GHz output frequency and VCC = 5V.
Fundamental, 2nd and 3rd Order
Intermodulation Distortion
vs Input Power
20
85°C
25°C
0
–40°C
PFUND
–20
IM3
–40
IM2
–60
IM2
–80
IM3
–100
–14 –12 –10 –8 –6 –4 –2 0 2 4 6
PIN (dBm)
5521 G03
Conversion Gain vs Input Power
1.0
0.5
–40°C
0
25°C
–0.5
–1.0
85°C
–1.5
–2.0
–2.5
–25 –20 –15 –10 –5 0
PIN (dBm)
5 10 15
5521 G04
Conversion Gain and IIP3
vs RF Frequency
10
25
8
IIP3 24
6
23
4
22
85°C
2
25°C
21
–40°C
GC
0
20
–2
19
–4
1750
1850
1950
RFOUT (MHz)
2050
18
2150
5521 G05
5521f
4
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