參數(shù)資料
型號(hào): EL8172FSZ-T7
廠商: Intersil
文件頁(yè)數(shù): 4/13頁(yè)
文件大小: 0K
描述: IC AMP INSTRU SGL R-R I/O 8-SOIC
標(biāo)準(zhǔn)包裝: 1,000
放大器類(lèi)型: 儀表
電路數(shù): 1
輸出類(lèi)型: 滿(mǎn)擺幅
轉(zhuǎn)換速率: 0.55 V/µs
-3db帶寬: 170kHz
電流 - 輸入偏壓: 10pA
電壓 - 輸入偏移: 70µV
電流 - 電源: 65µA
電流 - 輸出 / 通道: 32mA
電壓 - 電源,單路/雙路(±): 2.4 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SOIC
包裝: 帶卷 (TR)
12
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FN6293.5
July 27, 2009
the gain error contributed by the resistors. There is an
additional gain error due to the tolerance of the resistors used.
The resulting non-ideal transfer function effectively becomes:
Where:
ERG = Tolerance of RG
ERF = Tolerance of RF
EG = Gain Error of the EL8171 or EL8172
The term [1-(ERG +ERF +EG)] is the deviation from the
theoretical gain. Thus, (ERG +ERF +EG) is the total gain
error. For example, if 1% resistors are used for the EL8171,
the total gain error would be:
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 6:
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 7:
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
V
OUT
1
R
F
R
G
--------
+
1E
RG
E
RF
E
G
++
()
[] V
IN
×
=
(EQ. 4)
E
RG
E
RF
E
G typical
()
++
()
±
=
0.01
0.003
++
()
±
=
2.3%
±
=
(EQ. 5)
T
JMAX
T
MAX
θ
JA xPDMAXTOTAL
()
+
=
(EQ. 6)
PD
MAX
2*V
S
I
SMAX
V
S
(
- V
OUTMAX )
V
OUTMAX
R
L
----------------------------
×
+
×
=
(EQ. 7)
EL8171, EL8172
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