IDT / ICS 700MHZ, 3.3V LVPECL FREQUENCY S" />
參數(shù)資料
型號(hào): BU7232FVM-TR
廠商: Rohm Semiconductor
文件頁(yè)數(shù): 6/19頁(yè)
文件大?。?/td> 0K
描述: IC COMPARATOR DUAL 5.5V MSOP-8
標(biāo)準(zhǔn)包裝: 1
類(lèi)型: 通用
元件數(shù): 2
輸出類(lèi)型: 推挽式
電壓 - 電源,單路/雙路(±): 1.8 V ~ 5.5 V,±0.9 V ~ 2.75 V
電壓 - 輸入偏移(最小值): 11mV @ 3V
電流 - 輸入偏壓(最小值): 1pA @ 3V
電流 - 輸出(標(biāo)準(zhǔn)): 6mA @ 3V
電流 - 靜態(tài)(最大值): 25µA
CMRR, PSRR(標(biāo)準(zhǔn)): 80dB CMRR,80dB PSRR
傳輸延遲(最大): 1.7µs
工作溫度: -40°C ~ 85°C
封裝/外殼: 8-VSSOP,8-MSOP(0.110",2.80mm 寬)
安裝類(lèi)型: 表面貼裝
包裝: 標(biāo)準(zhǔn)包裝
其它名稱(chēng): BU7232FVM-DKR
BU7232FVM-DKR-ND
BU7232FVMDKR
IDT / ICS 700MHZ, 3.3V LVPECL FREQUENCY SYNTHESIZER
14
ICS8430B-71 REV A NOVEMBER 20, 2006
ICS8430B-71
700MHZ, CRYSTAL INTERFACE/LVCMOS-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
3. Calculations and Equations.
The purpose of this section is to derive the power dissipated into the load.
LVPECL output driver circuit and termination are shown in
Figure 6.
To calculate worst case power dissipation into the load, use the following equations which assume a 50
load, and a termination
voltage of V
CCO
- 2V.
For logic high, V
OUT
= V
OH_MAX
= V
CCO_MAX
– 0.9V
(V
CCO_MAX
- V
OH_MAX
) = 0.9V
For logic low, V
OUT
= V
OL_MAX
= V
CCO_MAX
– 1.7V
(V
CCO_MAX
- V
OL_MAX
) = 1.7V
Pd_H is power dissipation when the output drives high.
Pd_L is the power dissipation when the output drives low.
Pd_H = [(V
OH_MAX
– (V
CCO_MAX
- 2V))/R
L
] * (V
CCO_MAX
- V
OH_MAX
) = [(2V - (V
CCO_MAX
- V
OH_MAX
))/R
L
] * (V
CCO_MAX
- V
OH_MAX
) =
[(2V - 0.9V)/50
] * 0.9V = 19.8mW
Pd_L = [(V
OL_MAX
– (V
CCO_MAX
- 2V))/R
L
] * (V
CCO_MAX
- V
OL_MAX
) = [(2V - (V
CCO_MAX
- V
OL_MAX
))/R
L
] * (V
CCO_MAX
- V
OL_MAX
) =
[(2V - 1.7V)/50
] * 1.7V = 10.2mW
Total Power Dissipation per output pair = Pd_H + Pd_L = 30mW
FIGURE 6. LVPECL DRIVER CIRCUIT AND TERMINATION
Q1
V
OUT
V
CCO
RL
50
V
CCO - 2V
相關(guān)PDF資料
PDF描述
VE-250-IW-S CONVERTER MOD DC/DC 5V 100W
KSZ8041TL-S IC TXRX PHY 10/100 BASE 48TQFP
VI-JWD-MY-S CONVERTER MOD DC/DC 85V 50W
VE-BNP-MX-F1 CONVERTER MOD DC/DC 13.8V 75W
VE-BNP-MW CONVERTER MOD DC/DC 13.8V 100W
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
BU7232G-E2 制造商:ROHM 制造商全稱(chēng):Rohm 功能描述:Low Voltage CMOS Comparator
BU7232G-TR 制造商:ROHM 制造商全稱(chēng):Rohm 功能描述:Low Voltage CMOS Comparator
BU7232SF 制造商:ROHM Semiconductor 功能描述:Amp,Comparator,C-MOS,SOP8
BU7232SF-E2 功能描述:運(yùn)算放大器 - 運(yùn)放 1.8-5.5V 1 CHAN 0.005mV 0.001nA RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比(最小值):63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流(最大值):10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel
BU7232SF-TR 制造商:ROHM 制造商全稱(chēng):Rohm 功能描述:Low Voltage CMOS Comparator