AD8348ARUZ Datasheet, PDF (12/28 Pages) Analog Devices – 50 MHz to 1000 MHz Quadrature Demodulator

AD8348
27
5V, 0.2V, +25°C
26
25
2.7V, 0.2V, +85°C
24
23
2.7V, 0.2V, +25°C
5V, 0.2V, –40°C
22
2.7V, 0.2V, –40°C
21
5V, 0.2V, +85°C
20
19
18
17
0 10 20 30 40 50 60 70 80 90 100
BASEBAND FREQUENCY (MHz)
Figure 18. Gain vs. FBB, VGIN = 0.2 V, FIF = 380 MHz, VPOS = 2.7 V, 5 V,
Temperature = −40°C, +25°C, +85°C
20
–40°C, 5V, 900MHz
15
+25°C, 2.7V, 900MHz
10
+25°C, 5V, 900MHz
5
+85°C, 2.7V, 900MHz
0
–5 +85°C, 5V, 900MHz
–10
–15
–40°C, 2.7V, 900MHz
–20
0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2
VGIN (V)
Figure 21. Input 1 dB Compression Point (IP1dB) vs. VGIN, FIF = 900 MHz,
FBB = 1 MHz, VPOS = 2.7 V, 5 V, Temperature = −40°C, +25°C, +85°C
–17
2.7V, 1.2V, +85°C
–20
5V, 1.2V, +85°C
2.7V, 1.2V, +25°C
5V, 1.2V, +25°C
–23
5V, 1.2V, –40°C
–26
0
2.7V, 1.2V, –40°C
10 20 30 40 50 60 70 80 90 100
BASEBAND FREQUENCY (MHz)
Figure 19. Gain vs. FBB, VGIN = 1.2 V, FIF = 380 MHz, VPOS = 2.7 V, 5 V,
Temperature = −40°C, +25°C, +85°C
30
29
5V, 1.2V, +85°C
28
5V, 1.2V, +25°C
27
2.7V, 1.2V, +85°C
26
2.7V, 1.2V, +25°C
25
5V, 1.2V, –40°C
2.7V, 1.2V, –40°C
24
100 200 300 400 500 600 700 800 900 1000
IF FREQUENCY (MHz)
Figure 22. IIP3 vs. FIF, VGIN = 1.2 V, FBB = 1 MHz, VPOS = 2.7 V, 5 V,
Temperature = −40°C, +25°C, +85°C, Tone Spacing = 20 kHz
15
+25°C, 5V, 380MHz
10
–40°C, 5V, 380MHz
5
0
+25°C, 2.7V, 380MHz
–5
+85°C, 2.7V, 380MHz
–10
+85°C, 5V, 380MHz
–15
–20
–40°C, 2.7V, 380MHz
–25
0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2
VGIN (V)
Figure 20. Input 1 dB Compression Point (IP1dB) vs. VGIN, FIF = 380 MHz,
FBB = 1 MHz, VPOS = 2.7 V, 5 V, Temperature = −40°C, +25°C, +85°C
0
5V, 0.2V, +85°C
2.7V, 0.2V, +85°C
2.7V, 0.2V, +25°C
–5
–10
5V, 0.2V, +25°C
5V, 0.2V, –40°C
2.7V, 0.2V, –40°C
–15
100 200 300 400 500 600 700 800 900 1000
IF FREQUENCY (MHz)
Figure 23. IIP3 vs. FIF, VGIN = 0.2 V, FBB = 1 MHz, VPOS = 2.7 V, 5 V,
Temperature = −40°C, +25°C, +85°C
Rev. A | Page 12 of 28