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參數(shù)資料
| 型號(hào)： | ISL28005FH50Z-T7A |
| 廠商： | Intersil |
| 文件頁數(shù)： | 5/15頁 |
| 文件大小： | 0K |
| 描述： | IC OPAMP CURRENT SENSE SOT23-5 |
| 應(yīng)用說明： | ISL28005/06 Application Note |
| 產(chǎn)品培訓(xùn)模塊： | Solutions for Test and Measurement Equipment Solutions for Industrial Control Applications |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 放大器類型： | 電流檢測(cè) |
| 電路數(shù)： | 1 |
| 轉(zhuǎn)換速率： | 0.67 V/µs |
| -3db帶寬： | 160kHz |
| 電流 - 輸入偏壓： | 4.7µA |
| 電壓 - 輸入偏移： | 1200µV |
| 電流 - 電源： | 50µA |
| 電流 - 輸出 / 通道： | 8.7mA |
| 電壓 - 電源，單路/雙路(±)： | 2.7 V ~ 28 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | SC-74A，SOT-753 |
| 供應(yīng)商設(shè)備封裝： | SOT-23-5 |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 其它名稱： | ISL28005FH50Z-T7ADKR |
ISL28005
13
FN6973.5
October 24, 2013
Overall Accuracy (VOA %)
VOA is defined as the total output accuracy Referred-to-Output
(RTO). The output accuracy contains all offset and gain errors, at
a single output voltage. Equation 2 is used to calculate the %
total output accuracy.
where
VOUT Actual = VSENSE x GAIN
Example: Gain = 100, For 100mV VSENSE input we measure
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 using Equation 4:
where:
PDMAXTOTAL is the sum of the maximum power dissipation of
each amplifier in the package (PDMAX)
where:
TMAX = Maximum ambient temperature
θJA = Thermal resistance of the package
PDMAX = Maximum power dissipation of 1 amplifier
VCC = Total supply voltage
IqMAX = Maximum quiescent supply current of 1 amplifier
VOUTMAX = Maximum output voltage swing of the application
RL = Load resistance
FIGURE 30. TYPICAL APPLICATION CIRCUIT
gmHI
gmLO
1.35V
+
-
OUT
VCC
I = 2.86A
GND
RS
RS-
RP
(1m
TO
0.1)
0.1VDC
TO
28VDC
+
-
CD
LOAD
CM
2.7VDC
TO
28VDC
RS+
V
OA
100
V
OUTactua l
V
OUT
ected
exp
–
V
OUT
ected
exp
------------------------------------------------------------------------------------
×
=
(EQ. 2)
(EQ. 3)
V
OA
100
10.1
10
–
10
------------------------
×
1percent
==
T
JMAX
T
MAX
θ
JAxPDMAXTOTAL
+
=
(EQ. 4)
PD
MAX
V
S
I
qMAX
V
S
(
- V
OUTMAX )
V
OUTMAX
R
L
----------------------------
×
+
×
=
(EQ. 5)
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