LMX2541SQE2060E/NOPB National Semiconductor, LMX2541SQE2060E/NOPB Datasheet - Page 21

• 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

RFout Output Impedance vs. OUTTERM (Bypass Mode)
The VCO divider was bypassed (VCO_DIV = 1) and the RFout pin was enabled. The VCOGAIN word was set to 12.
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
Real
27.9
28.5
29.2
28.8
28.8
29.1
28.6
28.0
27.5
27.0
26.4
25.9
25.3
23.1
20.1
18.5
16.6
16.5
17.1
20.8
22.0
23.0
23.7
23.7
27.3
40.1
61.4
OUTTERM=3
Imaginary
107.4
126.6
142.8
11.7
13.4
15.0
16.7
18.4
20.1
21.8
23.5
26.9
29.3
34.2
40.6
47.0
53.8
59.4
64.9
70.0
77.9
93.2
1.6
2.8
3.8
5.7
8.8
Real
16.2
16.7
18.1
19.2
20.4
22.5
22.8
23.1
23.3
23.6
23.9
24.1
24.4
22.9
20.5
19.6
18.1
18.9
20.4
25.4
27.3
28.1
28.6
30.1
36.6
52.2
76.2
OUTTERM=6
Imaginary
112.0
129.8
143.3
13.7
17.5
19.2
20.9
22.7
24.4
26.1
27.9
29.6
33.2
35.4
40.4
46.9
53.4
60.1
65.0
69.7
74.9
82.8
98.0
1.9
3.6
5.9
9.5
Real
12.3
12.7
14.0
15.3
16.5
18.7
19.3
19.8
20.4
20.9
21.4
22.0
22.5
21.3
19.3
18.8
17.8
19.3
21.8
28.3
31.1
32.1
32.8
35.4
44.8
63.3
89.5
21
OUTTERM=9
Imaginary
102.9
116.3
132.3
142.3
10.3
14.9
19.2
21.2
23.2
25.2
27.2
29.2
31.1
33.1
37.1
39.6
45.0
51.9
58.9
65.8
70.5
74.6
80.0
87.7
1.8
3.6
6.3
105.5
Real
10.9
12.4
13.7
15.8
16.5
17.1
17.7
18.4
19.0
19.6
20.3
19.0
17.2
17.0
16.3
18.4
21.7
30.2
34.1
35.5
37.0
42.3
54.3
76.7
9.5
9.8
OUTTERM=12
Imaginary
109.4
122.2
135.9
141.0
11.0
15.7
20.3
22.5
24.7
26.9
29.0
31.2
33.4
35.6
40.1
42.9
49.0
56.5
64.2
71.8
76.8
80.5
86.4
94.2
1.7
3.6
6.5
121.0
Real
10.6
11.9
14.0
14.6
15.2
15.8
16.5
17.1
17.7
18.3
17.0
15.1
14.8
14.3
16.7
20.4
30.3
35.4
37.6
39.9
47.8
62.6
89.3
7.8
8.0
9.0
TERM=15
Imaginary
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100.9
116.6
128.9
140.5
140.5
11.2
16.0
20.8
23.1
25.4
27.7
30.0
32.3
34.6
36.9
41.8
44.9
51.6
59.7
68.2
76.6
82.5
86.1
92.0
1.7
3.5
6.6