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參數(shù)資料
| 型號(hào)： | BH7673G-TR |
| 廠商： | Rohm Semiconductor |
| 文件頁數(shù)： | 11/12頁 |
| 文件大小： | 0K |
| 描述： | IC VIDEO ISOLATION AMP SSOP5 |
| 標(biāo)準(zhǔn)包裝： | 3,000 |
| 應(yīng)用： | 通用 |
| 電路數(shù)： | 1 |
| 電流 - 電源： | 4.8mA |
| 電壓 - 電源，單路/雙路(±)： | 4.5 V ~ 5.5 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 6-TFSOP（0.063"，1.60mm 寬），5 引線 |
| 供應(yīng)商設(shè)備封裝： | 5-SSOP |
| 包裝： | 帶卷 (TR) |
IDT / ICS 700MHZ, 3.3V LVPECL FREQUENCY SYNTHESIZER
8
ICS8430B-71 REV A NOVEMBER 20, 2006
ICS8430B-71
700MHZ, CRYSTAL INTERFACE/LVCMOS-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
As in any high speed analog circuitry, the power supply pins
are vulnerable to random noise. The ICS8430B-71 provides
separate power supplies to isolate any high switching
noise from the outputs to the internal PLL. V
CC, VCCA, and VCCO
should be individually connected to the power supply
plane through vias, and bypass capacitors should be
used for each pin. To achieve optimum jitter performance, power
supply isolation is required.
Figure 1 illustrates how
a 10
resistor along with a 10F and a .01F bypass
capacitor should be connected to each V
CCA pin.
POWER SUPPLY FILTERING TECHNIQUES
FIGURE 1. POWER SUPPLY FILTERING
10
V
CCA
10
F
.01
F
3.3V
.01
F
V
CC
APPLICATION INFORMATION
INPUTS:
CRYSTAL INPUT:
For applications not requiring the use of the crystal oscillator input,
both XTAL_IN and XTAL_OUT can be left floating. Though not
required, but for additional protection, a 1k
resistor can be tied
from XTAL_IN to ground.
TEST_CLK INPUT:
For applications not requiring the use of the test clock, it can be
left floating. Though not required, but for additional protection, a
1k
resistor can be tied from the TEST_CLK to ground.
LVCMOS CONTROL PINS:
All control pins have internal pull-ups or pull-downs; additional
resistance is not required but can be added for additional
protection. A 1k
resistor can be used.
RECOMMENDATIONS FOR UNUSED INPUT AND OUTPUT PINS
OUTPUTS:
LVPECL OUTPUT
All unused LVPECL outputs can be left floating. We recommend
that there is no trace attached. Both sides of the differential output
pair should either be left floating or terminated.
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