BU2280FV_08 Datasheet, PDF (2/25 Pages) Rohm – DVD-video Reference Clock Generators for Audio/Video Equipments

●Absolute Maximum Ratings (Ta=25℃)
Parameter
Supply voltage
Input voltage
Storage temperature range
Power dissipation
Symbol
VDD
VIN
Tstg
PD
BU2280FV
-0.5 ～ ＋7.0
-0.5～VDD＋0.5
-30 ～ ＋125
630 ^*1
BU2288FV
-0.5 ～ ＋7.0
-0.5～VDD＋0.5
-30 ～ ＋125
450 ^*2
BU2360FV
-0.5 ～ ＋7.0
-0.5～VDD＋0.5
-30 ～ ＋125
450 ^*2
BU2362FV
Unit
-0.5 ～ ＋7.0
V
-0.5～VDD＋0.5 V
-30 ～ ＋125 ℃
450 ^*2
mW
*1 In the case of exceeding Ta = 25℃, 6.3mW to be reduced per 1℃
*2 In the case of exceeding Ta = 25℃, 4.5mW to be reduced per 1℃
＊Operating is not guaranteed.
＊The radiation-resistance design is not carried out.
＊Power dissipation is measured when the IC is mounted to the printed circuit board.
●Recommended Operating Range
Parameter
Parameter
Supply voltage
Input “H” Voltage
Input “L” Voltage
Operating temperature
Output load
27M output load 1
Symbol
VDD
VIH
VIL
Topr
CL
CL_27M1
CL_27M2
BU2280FV
3.0 ～ 3.6
0.8VDD～VDD
0.0 ～ 0.2VDD
-5 ～ ＋70
15
-
-
BU2288FV
3.0 ～ 3.6
0.8VDD～VDD
0.0 ～ 0.2VDD
-5 ～ ＋70
15
-
-
BU2360FV
2.7 ～ 3.6
0.8VDD～VDD
0.0 ～ 0.2VDD
-25 ～ ＋85
15
40 (CLK27M1)
25 (CLK27M2)
BU2362FV
Unit
2.7 ～ 3.6
V
0.8VDD～VDD V
0.0 ～ 0.2VDD V
-25 ～ ＋85
℃
15
pF
-
pF
-
pF
●Electrical characteristics
◎BU2280FV（VDD=3.3V, Ta=25℃, Crystal frequency 27.0000MHz, unless otherwise specified.）
Parameter
Symbol
Min.
Typ.
Max.
Unit Conditions
Output L voltage
VOL
-
-
0.4
V IOL=4.0mA
Output H voltage
VOH
2.4
-
-
V IOH=-4.0mA
Consumption
current
IDD
-
30
50
mA At no load
CLK768FS
CLK768-44
CLK768-48
-
33.8688
-
MHz At FSEL=L, XTAL×3136 / 625 / 4
-
36.8640
-
MHz At FSEL=H, XTAL×2048 / 375 / 4
CLK512FS
CLK512-44
CLK512-48
-
22.5792
-
MHz At FSEL=L, XTAL×3136 / 625 / 6
-
24.5760
-
MHz At FSEL=H, XTAL×2048 / 375 / 6
CLK384FS
CLK384-44
CLK384-48
-
16.9344
-
MHz At FSEL=L, XTAL×3136 / 625 / 8
-
18.4320
-
MHz At FSEL=H, XTAL×2048 / 375 / 8
CLK33M
CLK33M
-
33.8688
-
MHz XTAL×147 / 40 / 4
CLK16M
CLK16M
-
16.9344
-
MHz XTAL×147 / 40 / 8
Duty
Duty
45
50
55
%
Measured at a voltage of 1/2 of VDD
Period-Jitter 1σ
P-J 1σ
-
70
-
psec *1
Period-Jitter
MIN-MAX
P-J
MIN-MAX
-
420
-
psec *2
Rise Time
Tr
-
2.5
-
nsec ^{Period of transition time required for the}
output reach 80％ from 20％ of VDD.
Fall Time
Output Lock-Time
Tf
Tlock
-
2.5
-
nsec ^{Period of transition time required for the}
output reach 20％ from 80％ of VDD.
-
-
1
msec *3
Note) The output frequency is determined by the arithmetic (frequency division) expression of a frequency input to XTALIN.
If the input frequency is set to 27.0000MHz, the output frequency will be as listed above.
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