參數(shù)資料
型號(hào)： 8N3QV01EG-0109CDI8
廠商： IDT, Integrated Device Technology Inc
文件頁(yè)數(shù)： 8/23頁(yè)
文件大?。?/td> 0K
描述： IC VCXO LVPECL QD FREQUENCY 5X7
特色產(chǎn)品： Fourth-generation FemtoClock for VCXO
標(biāo)準(zhǔn)包裝： 1
系列： FemtoClock® NG
類型： VCXO
頻率： 可調(diào)節(jié)/可選擇
電源電壓： 2.375 V ~ 3.465 V
電流 - 電源： 150mA
工作溫度： -40°C ~ 85°C
封裝/外殼： 10-CLCC
包裝： 標(biāo)準(zhǔn)包裝
供應(yīng)商設(shè)備封裝： 10-CLCC
安裝類型： 表面貼裝
其它名稱： 800-2575-6
IDT8N3QV01 Rev G Data Sheet
QUAD-FREQUENCY PROGRAMMABLE-VCXO
IDT8N3QV01GCD REVISION A MARCH 6, 2012
16
2012 Integrated Device Technology, Inc.
Power Considerations
This section provides information on power dissipation and junction temperature for the ICS8N3QV01.
Equations and example calculations are also provided.
1.
Power Dissipation.
The total power dissipation for the ICS8N3QV01 is the sum of the core power plus the power dissipation in the load(s).
The following is the power dissipation for VCC = 3.3V + 5% = 3.465V, which gives worst case results.
NOTE: Please refer to Section 3 for details on calculating power dissipation in the load.
Power (core)MAX = VCC_MAX * IEE_MAX = 3.465V * 150mA = 519.75mW
Power (outputs)MAX = 34.2mW/Loaded Output pair
Total Power_MAX (3.465V, with all outputs switching) = 519.75mW + 34.2mW = 533.95mW
2. Junction Temperature.
Junction temperature, Tj, is the temperature at the junction of the bond wire and bond pad, and directly affects the reliability of the device. The
maximum recommended junction temperature is 125°C. Limiting the internal transistor junction temperature, Tj, to 125°C ensures that the bond
wire and bond pad temperature remains below 125°C.
The equation for Tj is as follows: Tj =
JA * Pd_total + TA
Tj = Junction Temperature
JA = Junction-to-Ambient Thermal Resistance
Pd_total = Total Device Power Dissipation (example calculation is in section 1 above)
TA = Ambient Temperature
In order to calculate junction temperature, the appropriate junction-to-ambient thermal resistance
JA must be used. Assuming no air flow and
a multi-layer board, the appropriate value is 49.4°C/W per Table 7 below.
Therefore, Tj for an ambient temperature of 85°C with all outputs switching is:
85°C + 0.554W * 49.4°C/W = 112.4°C. This is below the limit of 125°C.
This calculation is only an example. Tj will obviously vary depending on the number of loaded outputs, supply voltage, air flow and the type of
board (multi-layer).
Table 7. Thermal Resistance JA for 10 Lead Ceramic 5mm x 7mm Package, Forced Convection
JA by Velocity
Meters per Second
01
2.5
Multi-Layer PCB, JEDEC Standard Test Boards
49.4°C/W
44.2C/W
41°C/W
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參數(shù)描述
8N3QV01EG-0110CDI 功能描述:VCXO IC 25MHz, 38.88MHz, 44.736MHz, 100MHz 10-CLCC 制造商:idt, integrated device technology inc 系列:FemtoClock? NG 包裝:托盤 零件狀態(tài):有效 類型:VCXO 計(jì)數(shù):- 頻率:25MHz，38.88MHz，44.736MHz，100MHz 電壓 - 電源:3.135 V ~ 3.465 V 電流 - 電源:150mA 工作溫度:-40°C ~ 85°C 封裝/外殼:10-CLCC 供應(yīng)商器件封裝:10-CLCC（7x5） 安裝類型:表面貼裝 標(biāo)準(zhǔn)包裝:364
8N3QV01EG-0110CDI8 功能描述:VCXO IC 25MHz, 38.88MHz, 44.736MHz, 100MHz 10-CLCC 制造商:idt, integrated device technology inc 系列:FemtoClock? NG 包裝:帶卷（TR） 零件狀態(tài):有效 類型:VCXO 計(jì)數(shù):- 頻率:25MHz，38.88MHz，44.736MHz，100MHz 電壓 - 電源:3.135 V ~ 3.465 V 電流 - 電源:150mA 工作溫度:-40°C ~ 85°C 封裝/外殼:10-CLCC 供應(yīng)商器件封裝:10-CLCC（7x5） 安裝類型:表面貼裝 標(biāo)準(zhǔn)包裝:1,000
8N3QV01EG-0111CDI 制造商:Integrated Device Technology Inc 功能描述:10-LEAD CERAMIC 5X7 - Bulk
8N3QV01EG-0111CDI8 功能描述:VCXO IC 500MHz 10-CLCC 制造商:idt, integrated device technology inc 系列:FemtoClock? NG 包裝:帶卷（TR） 零件狀態(tài):有效 類型:VCXO 計(jì)數(shù):- 頻率:500MHz 電壓 - 電源:3.135 V ~ 3.465 V 電流 - 電源:150mA 工作溫度:-40°C ~ 85°C 封裝/外殼:10-CLCC 供應(yīng)商器件封裝:10-CLCC（7x5） 安裝類型:表面貼裝 標(biāo)準(zhǔn)包裝:1,000
8N3QV01EG-0112CDI 制造商:Integrated Device Technology Inc 功能描述:Controlled Oscillator 15.476MHz to 866.67MHz/975MHz to 1.3GHz VCXO LVPECL 10-Pin CLCC Tray 制造商:Integrated Device Technology Inc 功能描述:10-LEAD CERAMIC 5X7 - Bulk
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