參數資料
型號: ISL28148FHZ-T7A
廠商: Intersil
文件頁數: 6/18頁
文件大?。?/td> 0K
描述: IC OPAMP SGL RRIO 4.5MHZ SOT23-6
產品培訓模塊: Solutions for Industrial Control Applications
標準包裝: 1
放大器類型: 通用
電路數: 1
輸出類型: 滿擺幅
轉換速率: 4 V/µs
增益帶寬積: 4.5MHz
-3db帶寬: 13MHz
電流 - 輸入偏壓: 1pA
電壓 - 輸入偏移: 1800µV
電流 - 電源: 900µA
電流 - 輸出 / 通道: 75mA
電壓 - 電源,單路/雙路(±): 2.4 V ~ 5.5 V,±1.2 V ~ 2.75 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: SOT-23-6
供應商設備封裝: SOT-23-6
包裝: 標準包裝
產品目錄頁面: 1234 (CN2011-ZH PDF)
其它名稱: ISL28148FHZ-T7ADKR
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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