CDC3RL02YFPR Datasheet, PDF (6/15 Pages) Texas Instruments – LOW PHASE-NOISE TWO-CHANNEL CLOCK FAN-OUT BUFFER

CDC3RL02
SCHS371 – NOVEMBER 2009
www.ti.com
TYPICAL PERFORMANCE
ADDITIVE PHASE NOISE
vs
OFFSET FREQUENCY
SUPPLY CURRENT
vs
INPUT AMPLITUDE
-90
-100
-110
V_BATT = 3.3 V
C_VLDO = 1 µF
C_BATT = 0.1 µF
C_OUT = 30 pF
3.54
3.53
3.52
3.51
3.50
V_BATT = 3.3 V
C_VLDO = 1 µF
C_BATT = 0.1 µF
C_OUT = 30 pF
3.49
-120
3.48
Square Wave 1.8 V 1 µF
3.47
T_A = 85°C
-130
-140
3.46
Sine Wave 0.8 Vpp 1 µF
3.45
3.44
T_A = 25°C
3.43
-150
3.42
3.41
-160 ^{Sine Wave 1.8 Vpp 1 µF}
3.40
T_A = -40°C
3.39
-170
3.38
1.E+01 1.E+02 1.E+03 1.E+04 1.E+05 1.E+06 1.E+07
0.3
0.6
0.9
1.2
1.5
1.8
Offset Frequency (Hz)
Input Am plitude (Vpp)
SUPPLY CURRENT
vs
INPUT FREQUENCY
8
V_BATT = 3.3 V
C_VLDO = 1 µF
7 _{CBATT = 0.1 µF}
C_OUT = 30 pF
T_A = -40°C
T_A = 25°C
6
T_A = 85°C
5
4
3
2
1
0
0
10
20
30
40
50
60
70
Frequency (MHz)
SUPPLY CURRENT
vs
SUPPLY VOLTAGE
3.50
3.49
3.48
3.47 ^{TA = 85°C}
3.46
3.45
3.44 T_A = 25°C
3.43
3.42
3.41
3.40 ^TA ^{= -40°C}
3.39
3.38
3.37
3.36
2.3 2.7 3.1 3.5 3.9 4.3
V_BATT (V)
V_BATT = 3.3 V
C_VLDO = 1 µF
C_BATT = 0.1 µF
C_OUT = 30 pF
4.7 5.1 5.5
6
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