LMX2541SQE2060E/NOPB National Semiconductor, LMX2541SQE2060E/NOPB Datasheet - Page 22

• Manufacturer Part Number: LMX2541SQE2060E/NOPB
• Description: IC PLL FREQ SYNTH W/VCO 36LLP
• Manufacturer: National Semiconductor
• Series: PowerWise®r
• Type: Clock/Frequency Synthesizer (RF)r

Specifications of LMX2541SQE2060E/NOPB

• Pll: Yes
• Input: Clock
• Output: Clock
• Number Of Circuits: 1
• Ratio - Input:output: 2:2
• Differential - Input:output: No/No
• Frequency - Max: 2.24GHz
• Divider/multiplier: Yes/No
• Voltage - Supply: 3.15 V ~ 3.45 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 36-LLP
• Frequency-max: 2.24GHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LMX2541SQE2060ETR

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RFout Output Impedance vs. DIVGAIN (Divided Mode)
This was done with RFout buffer powered up and with OUTTERM=12. VCO_DIV was set to 50.
Freq. (MHz)
1000
1200
1400
1600
1800
2000
2200
2400
2600
2800
3000
3200
3400
3600
3800
4000
4200
4400
4600
4800
5000
100
200
400
600
800
50
135.8
179.4
Real
11.0
13.2
14.2
13.9
13.5
14.8
14.1
12.4
11.8
10.7
13.1
18.1
29.2
36.0
43.6
40.6
63.6
90.9
3.2
4.5
5.7
5.0
5.2
6.0
7.9
DIVGAIN=3
Imaginary
105.8
101.4
122.9
143.0
155.3
159.1
135.1
14.6
20.2
25.7
29.9
32.3
34.4
37.2
41.1
45.1
49.4
52.1
59.3
68.3
78.6
89.6
98.6
2.2
4.1
5.3
9.2
131.2
173.2
Real
11.6
13.9
15.0
14.6
14.3
15.6
14.9
13.2
12.5
11.5
14.0
18.9
29.8
36.5
43.7
40.8
62.9
88.8
3.6
4.6
6.4
5.6
5.7
6.5
8.4
DIVGAIN=6
Imaginary
103.9
120.3
139.6
151.4
155.7
133.9
14.6
20.2
25.7
30.0
32.3
34.3
37.0
40.9
44.7
49.0
51.6
58.7
67.6
77.6
88.4
96.9
99.5
2.1
4.0
5.7
9.4
22
116.3
153.3
Real
10.7
13.9
16.1
17.1
16.7
16.4
17.8
17.1
15.5
15.0
14.0
16.7
21.6
31.9
37.8
43.7
40.6
59.9
81.1
5.8
6.6
7.0
7.7
7.8
8.7
DIVGAIN=9
Imaginary
111.8
128.6
139.6
145.5
131.4
14.6
20.2
25.5
29.5
31.7
33.5
36.2
39.9
43.6
47.7
50.1
56.8
65.2
74.5
84.4
91.6
97.5
92.9
2.0
3.8
5.9
9.5
107.1
Real
13.9
14.7
15.0
15.6
15.9
16.9
18.7
21.4
22.5
22.5
21.6
20.9
21.7
20.4
18.2
17.0
15.2
16.5
19.4
26.1
28.9
32.3
26.6
37.8
49.9
73.7
DIVGAIN=12
Imaginary
111.4
125.8
142.1
147.7
12.1
16.5
20.5
23.1
24.3
25.8
28.2
31.4
34.5
38.1
40.4
46.2
53.4
61.1
69.2
75.4
81.1
78.8
94.7
1.9
3.2
4.7
7.7
Real
22.3
23.2
23.0
22.8
22.2
22.3
22.9
24.3
23.9
23.1
21.7
20.6
20.9
19.3
16.8
15.3
13.0
13.8
16.0
21.7
24.0
27.1
20.7
30.0
40.3
61.7
94.5
DIVGAIN=15
Imaginary
109.2
124.9
144.0
155.2
11.4
14.6
16.8
18.2
20.1
22.9
26.4
29.7
33.5
36.2
42.0
49.2
56.9
65.1
71.6
77.8
76.3
91.8
1.6
2.3
2.7
4.4
7.9