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參數資料
| 型號： | ADA4304-2ACPZ-R2 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 衰減器 |
| 英文描述： | 1:2 Single-Ended, Low Cost, Active RF Splitter |
| 中文描述： | 54 MHz - 865 MHz RF/MICROWAVE SPLITTER |
| 封裝： | 3 X 3 MM, ROHS COMPLIANT, MS-220, LFCSP-16 |
| 文件頁數： | 4/12頁 |
| 文件大?。?/td> | 343K |
| 代理商： | ADA4304-2ACPZ-R2 |
ADA4304-2
ABSOLUTE MAXIMUM RATINGS
Rev. 0 | Page 4 of 12
Table 2.
Parameter
Supply Voltage
Power Dissipation
Storage Temperature Range
Operating Temperature Range
Lead Temperature (Soldering, 10 sec)
Junction Temperature
Rating
5.5 V
See Figure 3
65°C to +125°C
40°C to +85°C
300°C
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.
THERMAL RESISTANCE
θ
JA
is specified for the device (including exposed pad)
soldered to a high thermal conductivity 2s2p circuit board,
as described in EIA/JESD 51-7.
Table 3. Thermal Resistance
Package Type
16-Lead LFCSP (Exposed Pad)
θ
JA
98
Unit
°C/W
Maximum Power Dissipation
The maximum safe power dissipation in the ADA4304-2
package is limited by the associated rise in junction
temperature (T
J
) on the die. At approximately 150°C,
which is the glass transition temperature, the plastic changes
its properties. Even temporarily exceeding this temperature
limit can change the stresses that the package exerts on the
die, permanently shifting the parametric performance of
the ADA4304-2. Exceeding a junction temperature of 150°C
for an extended period can result in changes in the silicon
devices, potentially causing failure.
The power dissipated in the package (P
D
) is essentially equal to
the quiescent power dissipation; the supply voltage (V
S
) times
the quiescent current (I
S
). In Table 1, the maximum power
dissipation of the ADA4304-2 can be calculated as
P
D (MAX)
= 5.25 V × 105 mA = 551 mW
Airflow increases heat dissipation, effectively reducing θ
JA
.
In addition, more metal directly in contact with the package
leads/exposed pad from metal traces, through-holes, ground,
and power planes reduces the θ
JA
.
Figure 3 shows the maximum safe power dissipation in the
package vs. the ambient temperature for the 16-lead LFCSP
(98°C/W) on a JEDEC standard 4-layer board.
0
0
100
AMBIENT TEMPERATURE (°C)
M
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
10
20
30
40
50
60
70
80
90
Figure 3. Maximum Power Dissipation vs. Temperature for a 4-Layer Board
ESD CAUTION
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| ADA4304-2ACPZ-R7 | 功能描述:IC RF SPLITTER 1:2 SGL 16-LFCSP RoHS:是 類別:RF/IF 和 RFID >> RF 功率分配器/分線器 系列:- 標準包裝:98 系列:- 插入損耗:- 頻率:40MHz ~ 880MHz 技術規格:- 尺寸/尺寸:* 封裝/外殼:- 包裝:管件 |
| ADA4304-2ACPZ-RL | 功能描述:IC RF SPLITTER 1:2 16-LFCSP RoHS:是 類別:RF/IF 和 RFID >> RF 功率分配器/分線器 系列:- 標準包裝:98 系列:- 插入損耗:- 頻率:40MHz ~ 880MHz 技術規格:- 尺寸/尺寸:* 封裝/外殼:- 包裝:管件 |
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| ADA4304-3ACPZ-R7 | 功能描述:IC RF SPLITTER 1:3/1:4 16LFCSP RoHS:是 類別:RF/IF 和 RFID >> RF 功率分配器/分線器 系列:- 標準包裝:98 系列:- 插入損耗:- 頻率:40MHz ~ 880MHz 技術規格:- 尺寸/尺寸:* 封裝/外殼:- 包裝:管件 |
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