VS
參數(shù)資料
型號: ADCLK846BCPZ-REEL7
廠商: Analog Devices Inc
文件頁數(shù): 13/16頁
文件大?。?/td> 0K
描述: IC CLK BUFFER 1:6 1.2GHZ 24LFCSP
設計資源: Synchronizing Multiple AD9910 1 GSPS Direct Digital Synthesizers (CN0121)
標準包裝: 1,500
類型: 扇出緩沖器(分配)
電路數(shù): 1
比率 - 輸入:輸出: 1:6
差分 - 輸入:輸出: 是/是
輸入: CML,CMOS,HSTL,LVDS,LVPECL
輸出: CMOS,LVDS
頻率 - 最大: 1.2GHz
電源電壓: 1.71 V ~ 1.89 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 24-VFQFN 裸露焊盤,CSP
供應商設備封裝: 24-LFCSP-VQ(4x4)
包裝: 帶卷 (TR)
ADCLK846
Rev. B | Page 6 of 16
ABSOLUTE MAXIMUM RATINGS
Table 5.
Parameter
Rating
Supply Voltage
VS to GND
2 V
Inputs
CLK and CLK
0.3 V to +2 V
CMOS Inputs
0.3 V to +2 V
Outputs
Maximum Voltage
0.3 V to +2 V
Voltage Reference Voltage (VREF)
0.3 V to +2 V
Operating Temperature Range
Ambient
40°C to +85°C
Junction
150°C
Storage Temperature Range
65°C to +150°C
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
DETERMINING JUNCTION TEMPERATURE
To determine the junction temperature on the application PCB,
use the following formula:
TJ = TCASE + (ΨJT × PD)
where:
TJ is the junction temperature (°C).
TCASE is the case temperature (°C) measured by the customer at
top center of the package.
ΨJT is indicated in Table 6.
PD is the power dissipation.
Values of θJA are provided for package comparison and PCB
design considerations. θJA can be used for a first-order
approximation of TJ by the equation
TJ = TA + (θJA × PD)
where TA is the ambient temperature (°C).
Values of θJB are provided for package comparison and PCB
design considerations.
ESD CAUTION
THERMAL PERFORMANCE
Table 6.
Parameter
Symbol
Description
Unit
Junction-to-Ambient Thermal Resistance
θ
JA
Still Air
Per JEDEC JESD51-2
0.0 m/sec Airflow
57.0
°C/W
Moving Air
θ
JMA
Per JEDEC JESD51-6
1.0 m/sec Airflow
49.8
°C/W
2.5 m/sec Airflow
44.7
°C/W
Junction-to-Board Thermal Resistance
θ
JB
Moving Air
Per JEDEC JESD51-8
1.0 m/sec Airflow
35.2
°C/W
Junction-to-Case Thermal Resistance
θ
JC
Moving Air
Per MIL-STD 883, Method 1012.1
Die-to-Heat Sink
2.0
°C/W
Junction-to-Top-of-Package Characterization Parameter
ΨJT
Still Air
Per JEDEC JESD51-2
0 m/sec Airflow
1.0
°C/W
1 Results are from simulations. The PCB is a JEDEC multilayer type. Thermal performance for actual applications requires careful inspection of the conditions in the
application to determine if they are similar to those assumed in these calculations.
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