參數資料
型號: ISL28148EVAL1Z
廠商: Intersil
文件頁數: 6/18頁
文件大?。?/td> 0K
描述: EVALUATION BOARD FOR ISL28148
產品培訓模塊: Solutions for Industrial Control Applications
標準包裝: 1
每 IC 通道數: 1 - 單
放大器類型: 通用
輸出類型: 單端,滿擺幅
轉換速率: 4 V/µs
-3db帶寬: 13MHz
電流 - 輸出 / 通道: 75mA
工作溫度: -40°C ~ 125°C
電流供應(主 IC): 900µA
電壓 - 電源,單路/雙路(±): 2.4 V ~ 5.5 V,±1.2 V ~ 2.75 V
板類型: 完全填充
已供物品:
已用 IC / 零件: ISL28148
14
FN6337.4
September 21, 2010
Power Dissipation
It is possible to exceed the +150°C maximum junction
temperatures under certain load and power-supply
conditions. It is therefore important to calculate the
maximum junction temperature (TJMAX) for all applications
to determine if power supply voltages, load conditions, or
package type need to be modified to remain in the safe
operating area. These parameters are related in Equation 1:
where:
PDMAXTOTAL is the sum of the maximum power
dissipation of each amplifier in the package (PDMAX)
PDMAX for each amplifier can be calculated as shown in
Equation 2:
where:
TMAX = Maximum ambient temperature
θ
JA = Thermal resistance of the package
PDMAX = Maximum power dissipation of 1 amplifier
VS = Supply voltage (Magnitude of V+ and V-)
IMAX = Maximum supply current of 1 amplifier
VOUTMAX = Maximum output voltage swing of the
application
RL = Load resistance
T
JMAX
T
MAX
θ
JA xPDMAXTOTAL
()
+
=
(EQ. 1)
PD
MAX
2*V
S
I
SMAX
V
S
(
- V
OUTMAX )
V
OUTMAX
R
L
----------------------------
×
+
×
=
(EQ. 2)
ISL28148, ISL28248, ISL28448
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