CDCE937-Q1_15 Datasheet, PDF (9/30 Pages) Texas Instruments – PROGRAMMABLE 3-PLL VCXO CLOCK SYNTHESIZER

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CDCE937-Q1
CDCEL937-Q1
SCAS892B – FEBRUARY 2010 – REVISED MAY 2010
TYPICAL CHARACTERISTICS
CDCE937, CDCEL937
SUPPLY CURRENT
vs
PLL FREQUENCY
CDCE937
OUTPUT CURRENT
vs
OUTPUT FREQUENCY
80
30
V_DD = 1.8 V
70
60
3 PLL on
V_DD = 1.8 V,
25
V_DDOUT = 3.3 V,
No Load
7 Outputs on
50
2 PLL on
20
5 Outputs on
40
15
30
20
10
0
10
1 PLL on
all PLL off
1 Output on
10
5
3 Outputs on
60
110
160
210
f_VCO - Frequency - MHz
Figure 3.
All Outputs off
0
10 30 50 70 90 110 130 150 170 190 210 230
f_OUT - Output Frequency - MHz
Figure 4.
CDCEL937
OUTPUT CURRENT
vs
OUTPUT FREQUENCY
12
V_DD = 1.8 V,
V_DDOUT = 1.8 V,
10 _{No Load}
7 Outputs
8
5 Outputs on
6
4
1 Output on
2
3 Output on
all Outputs
0
10 30 50 70 90 110 130 150 170 190 210 230
f_OUT - Output Frequency - MHz
Figure 5.
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