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参数资料
| 型号： | BU2185F |
| 元件分类： | XO, clock |
| 英文描述： | 36.864 MHz, OTHER CLOCK GENERATOR, PDSO16 |
| 封装： | SOP-16 |
| 文件页数： | 4/6页 |
| 文件大小： | 62K |
| 代理商： | BU2185F |
4
Multimedia ICs
BU2185F
Parameter
Symbol
Min.
—
0.7
× VDD
—
2.4
Typ.
—
Max.
0.3
× VDD
—
0.4
—
VIL
VIH
VOL
VOH
Input low level voltage
Input high level voltage
Output low level voltage
Output high level voltage
Unit
V
Conditions
I OL = 4.0mA CLK1, CLK2, CLK3
CTRL1, CTRL2, OE
I OH = – 4.0mA CLK1, CLK2, CLK3
——
0.4
VOL
Output low level voltage
V
I OL = 0.5mA XTAL1OUT, XTAL2OUT
DVDD-0.5
——
VOH
Output high level voltage
V
I OH = – 0.5mA XTAL1OUT, XTAL2OUT
—
40
60
IDD
Operating circuit current
mA
No load
When XTAL2 = 36.864MHz (XTAL1 is shorted to GND)
36.8640
CLK1-1
CLK1 frequency1
MHz
XTAL2 output
CTRL1 = H, CTRL2 = L
18.4320
CLK1-2
CLK1 frequency2
MHz
XTAL2 1 / 2 output CTRL1 = L, CTRL2 = L
27.0000
CLK2
CLK2 frequency
MHz
XTAL2
× 375 / 128 / 4 —
CTRL2 = L
33.8688
CLK3
CLK3 frequency
MHz
XTAL2
× 147 / 40 / 4
—
CTRL2 = L
When XTAL2 = 18.432MHz (XTAL1 is shorted to GND)
18.4320
CLK1
CLK1 frequency1
MHz
XTAL2 output
CTRL1 = H, CTRL2 = H
27.0000
CLK2
CLK2 frequency
MHz
XTAL2
× 375 / 64 / 4
—
CTRL2 = H
33.8688
CLK3
CLK3 frequency
MHz
XTAL2
× 147 / 20 / 4
—
CTRL2 = H
45
50
55
DUTY
%
1 / 2VDD
—
100
—
J1s
JITTER
psec
Reference value (1sigma)
—
600
—
——
Jabs
JITTER
psec
Reference value (min.-to-max. width for jitter)
65
CLK2SN
27MHz S / N
dB
27MHz
± 20kHz RBW = 1kHz, SPAN = 200kHz
Electrical characteristics (unless otherwise noted, Ta = 25°C, VDD (AVDD) = 3.3V, CL 15PF, XTAL1 = shorted to
GND, XTAL2 = 36.864MHz, 18.43MHz) )
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