SKY12340-364LF Datasheet, PDF (5/13 Pages) Skyworks Solutions Inc. – 300 kHz - 2.0 GHz Five-Bit Digital Attenuator with Serial-to-Parallel Driver

DATA SHEET • SKY12340-364LF FIVE-BIT DIGITAL ATTENUATOR
Typical Performance Characteristics
(TOP = +25 C, Characteristic Impedance [ZO] = 50 Ω, VDD = 5 V, Unless Otherwise Noted)
0
–0.2
–0.4
–0.6
–0.8
–1.0
–1.2
–1.4
–1.6
–1.8
–2.0
0
–40 °C
+25 °C
+85 °C
0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00
Frequency (GHz)
Figure 4. Insertion Loss vs Frequency
+0.5
+0.4
+0.3
+0.2
+0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
0
0.5 dB
1.0 dB
2.0 dB
0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00
Frequency (GHz)
Figure 5. Attenuation Error vs Frequency
(0.5, 1.0, and 2.0 dB States)
+0.5
+0.4
+0.3
+0.2
+0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
0
4.0 dB
8.0 dB
15.5 dB
0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00
Frequency (GHz)
Figure 6. Attenuation Error vs Frequency
(4.0, 8.0, and 15.5 dB States)
20
18
0.5 dB
1.0 dB
16
2.0 dB
14
12
10
8
6
4
2
0
0
0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00
Frequency (GHz)
Figure 7. Attenuation Relative Phase vs Frequency,
Normalized to Insertion Loss
(0.5, 1.0, and 2.0 dB States)
20
18
4.0 dB
8.0 dB
16
15.5 dB
14
12
10
8
6
4
2
0
0
0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00
Frequency (GHz)
Figure 8. Attenuation Relative Phase vs Frequency,
Normalized to Insertion Loss
(4.0, 8.0, and 15.5 dB States)
+0.5
+0.4
50 MHz
100 MHz
+0.3
500 MHz
+0.2
+0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Attenuation State (dB)
Figure 9. Attenuation Error vs Attenuation State
(@ 50, 100, and 500 MHz)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
201111B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • January 5, 2010
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