LT5526EUF 查看數據表（PDF） - Linear Technology
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LT5526EUF Datasheet PDF : 16 Pages
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LT5526
TYPICAL AC PERFOR A CE CHARACTERISTICS 350MHz Application. VCC = 5V, EN = 3V,
TA = 25°C, PRF = –15dB (–15dBm/tone for 2-tone IIP3 tests, ∆f = 1MHz), fLO = fRF + 70MHz, PLO = –5dBm, IF output measured at
70MHz, unless otherwise noted. Test circuit shown in Figure 2.
Conversion Gain and IIP3
vs RF Frequency
20
18
16
14 IIP3
fLO = fRF + fIF
fIF = 70MHz
12
10
25°C
8
85°C
–40°C
6
4
2
GAIN
0
–2
200 250 300 350 400 450 500
RF FREQUENCY (MHz)
Conversion Gain and IIP3
vs LO Input Power
20
fLO = 420MHz
18 fIF = 70MHz
16
14
IIP3
12
10
8
6
4
2 GAIN
0
–2
–12 –10 –8 –6 –4 –2
LO INPUT POWER (dBm)
5526 G18
25°C
85°C
–40°C
02
5526 G21
SSB Noise Figure
vs RF Frequency
18
fLO = fRF + fIF
17 fIF = 70MHz
16
25°C
85°C
–40°C
15
14
13
12
11
10
300
320 340 360 380 400
RF FREQUENCY (MHz)
SSB Noise Figure
vs LO Input Power
20
fLO = 420MHz
19 fIF = 70MHz
18
5526 G19
25°C
85°C
–40°C
17
16
15
14
13
12
11
10
–12 –10 –8 –6 –4 –2 0 2
LO INPUT POWER (dBm)
5526 G22
IFOUT, 2 × 2 and 3 × 3 Spurs
vs RF Input Power
20
0
IF OUT
fRF = 350MHz
–20
–40
3RF-3LO
fRF = 396.67MHz
–60
2RF-2LO
–80 fRF = 385MHz
–100
–120
–20
–15
TA = 25°C
fLO = 420MHz
fIF = 70MHz
–10
–5
0
RF INPUT POWER (dBm)
LO-IF and LO-RF Leakage
vs LO Frequency
0
TA = 25°C
–10 fIF = 70MHz
–20
5526 G20
–30
LO-IF
–40
–50
–60
LO-RF
–70
–80
–90
–100
150 200 250 300 350 400 450 500 550
LO FREQUENCY (MHz)
5526 G23
TYPICAL DC PERFOR A CE CHARACTERISTICS Test circuit shown in Figure 1.
Supply Current vs Supply Voltage
32
30
28
26
24
22
20
18
25°C
16
85°C
–40°C
14
2.8 3.2 3.6 4.0 4.4 4.8 5.2 5.6
SUPPLY VOLTAGE (V)
5526 G24
Shutdown Current vs Supply Voltage
14
25°C
12
85°C
–40°C
10
8
6
4
2
0
2.8 3.2 3.6 4.0 4.4 4.8 5.2 5.6
SUPPLY VOLTAGE (V)
5526 G25
5526f
6
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