
BU2285FV,BU2363FV
Technical Note
9/16
www.rohm.com
2009.04 - Rev.A
2009 ROHM Co., Ltd. All rights reserved.
Fig.59 18.4MHz output waveform
VDD=3.3V, at CL=15pF
Fig.56 36.9MHz output waveform
VDD=3.3V, at CL=15pF
Fig.57 36.9MHz Period-Jitter
VDD=3.3V, at CL=15pF
Fig.58 36.9MHz Spectrum
VDD=3.3V, at CL=15pF
Fig.60 18.4MHz Period-Jitter
VDD=3.3V, at CL=15pF
Fig.61 18.4MHz Spectrum
VDD=3.3V, at CL=15pF
5.0nsec / div
1.0V
/
div
500psec / div
1.0V
/
div
10KHz / div
10dB
/
div
10.0nsec / div
1.0V
/
div
500psec / div
1.0V
/
div
10KHz / div
10dB
/
div
RBW=1KHz
VBW=100Hz
RBW=1KHz
VBW=100Hz
●Reference data (BU2363FV basic data)
●Reference data (BU2363FV Temperature and Supply voltage variations data)
Fig.67 27MHz
Temperature-Period-Jitter MIN-MAX
0
100
200
300
400
500
600
-25
0
25
50
75
100
Temperature
:T[℃]
Period-
jit
te
rM
IN
-M
AX
:
PJ
-M
IN
-M
AX[
ps
ec
]
Fig.63 54MHz
Temperature-Period-Jitter 1
σ
0
10
20
30
40
50
60
70
80
90
100
-25
0
25
50
75
100
Temperature
:T[℃]
P
e
rio
d
-jit
te
r1
σ
: PJ
-1
σ
[p
se
c]
Fig.62 54MHz
Temperature-Duty
Fig.64 54MHz
Temperature-Period-Jitter MIN-MAX
Fig.65 27MHz
Temperature-Duty
Fig.66 27MHz
Temperature-Period-Jitter 1
σ
45
46
47
48
49
50
51
52
53
54
55
-25
0
25
50
75
100
Temperature
:T[℃]
Du
ty
: D
u
ty
[%
]
0
100
200
300
400
500
600
-25
0
25
50
75
100
Temperature
:T[℃]
Pe
rio
d
-jit
te
rM
IN
-M
AX
:
PJ
-M
IN
-M
AX[
p
s
e
c
]
45
46
47
48
49
50
51
52
53
54
55
-25
0
25
50
75
100
Temperature
:T[℃]
Du
ty
: D
u
ty
[%
]
0
10
20
30
40
50
60
70
80
90
100
-25
0
25
50
75
100
Temperature
:T[℃]
Pe
rio
d
-jit
te
r1
σ
: PJ
-1
σ
[p
se
c]
VDD=2.9V
VDD=3.3V
VDD=3.7V
VDD=2.9V
VDD=3.3V
VDD=3.7V
VDD=2.9V
VDD=3.3V
VDD=3.7V
VDD=2.9V
VDD=3.3V
VDD=3.7V
VDD=2.9V
VDD=3.3V
VDD=3.7V
VDD=3.3V
VDD=2.9V
VDD=3.7V