SKY12361-350LF Datasheet, PDF (4/9 Pages) Skyworks Solutions Inc. – 0.1 to 3.7 GHz Four-Bit Digital Attenuator

DATA SHEET • SKY12361-350LF: FOUR-BIT DIGITAL ATTENUATOR
Typical Performance Characteristics
(VDD = 5 V, VCTL = 3.3 V, TOP = +25 C, PIN = 0 dBm, Characteristic Impedance [Zo] = 50 Ω, Unless Otherwise Noted)
0
–0.2
–0.4
–0.6
+105 °C
+85 °C
–40 °C
+25 °C
–0.8
–1.0
–1.2
–1.4
–1.6
–1.8
–2.0
–2.2
–2.4
–2.6
Applications Board Insertion Loss has been removed from the measurement
0.0E+00 5.0E+08 1.0E+09 1.5E+09 2.0E+09 2.5E+09
Frequency (GHz)
3.0E+09
3.5E+09
4.0E+09
Figure 3. Insertion Loss vs Frequency and Temperature
0
–5.0
–10.0
–15.0
15 dB
14 dB
13 dB
12 dB
11 dB
10 dB
9 dB
8 dB
7 dB
6 dB
5 dB
4 dB
3 dB
2 dB
1 dB
Insertion Loss
–20.0
–25.0
–30.0
–35.0
–40.0
0.0E+00 5.0E+08 1.0E+09 1.5E+09 2.0E+09 2.5E+09 3.0E+09 3.5E+09 4.0E+09
Frequency (GHz)
Figure 4. Input Return Loss vs Frequency and Bit State
0
–5.0
–10.0
–15.0
15 dB
14 dB
13 dB
12 dB
11 dB
10 dB
9 dB
8 dB
7 dB
6 dB
5 dB
4 dB
3 dB
2 dB
1 dB
Insertion Loss
–20.0
–25.0
–30.0
–35.0
–40.0
0.0E+00 5.0E+08 1.0E+09 1.5E+09 2.0E+09 2.5E+09 3.0E+09 3.5E+09 4.0E+09
Frequency (Hz)
Figure 5. Output Return Loss vs Frequency and Bit State
0
–2.0
–4.0
–6.0
–8.0
–10.0
–12.0
15 dB
14 dB
13 dB
12 dB
11 dB
10dB
9 dB
8 dB
7 dB
6 dB
5 dB
4 dB
3 dB
2 dB
1 dB
Normalized IL
–14.0
–16.0
0.0E+00 5.0E+08 1.0E+09 1.5E+09 2.0E+09 2.5E+09 3.0E+09 3.5E+09 4.0E+09
Frequency (Hz)
Figure 6. Normalized Attenuation vs Frequency
+1.8
+1.6
+1.4
+1.2
+1.0
+0.8
700 MHz
900 MHz
1800 MHz
2100 Mhz
2700 MHz
3000 MHz
3500 MHz
3700 MHz
+0.6
+0.4
+0.2
0.0
–0.2
–0.4
–0.6
–0.8
–1.0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Attenuation (dB)
Figure 7. Attenuation Error vs Attenuation Setting
2.00
1.80
1.60
1.40
1.20
1.00
0.80
0.60
0.40
0.20
0
0
700 MHz
900 MHz
1800 MHz
2100 MHz
2700 MHz
3000 MHz
3500 MHz
3700 MHz
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Attenuation Setting (dB)
Figure 8. Step Error vs Attenuation Setting
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
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May 30, 2014 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 202874A