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| 型號(hào)： | EL8170ISZ-T13 |
| 廠商： | Intersil |
| 文件頁(yè)數(shù)： | 2/13頁(yè) |
| 文件大小： | 0K |
| 描述： | IC AMP INSTR SGL R-R I/O 8-SOIC |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 放大器類(lèi)型： | 儀表 |
| 電路數(shù)： | 1 |
| 輸出類(lèi)型： | 滿擺幅 |
| 轉(zhuǎn)換速率： | 0.55 V/µs |
| -3db帶寬： | 192kHz |
| 電流 - 輸入偏壓： | 700pA |
| 電壓 - 輸入偏移： | 50µV |
| 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) |
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EL8170, EL8173
10
FN7490.7
October 15, 2013
Description of Operation and
Applications Information
Product Description
The EL8170 and EL8173 are micropower instrumentation
amplifiers (in-amps) which deliver rail-to-rail input amplification and
rail-to-rail output swing on a single +2.4V to +5.5V supply. The
EL8170 and EL8173 also deliver excellent DC and AC specifications
while consuming only 65A typical supply current. The EL8170 and
EL8173 provides an independent pairs of feedback terminals to set
the gain and to adjust output level, these in-amps achieve high
common-mode rejection ratio regardless of the tolerance of the gain
setting resistors. The EL8173 is internally compensated for a
minimum closed loop gain of 10 or greater, well suited for moderate
to high gains. For higher gains, the EL8170 is internally
compensated for a minimum gain of 100.
Input Protection
All input and feedback terminals of the EL8170 and EL8173 have
internal ESD protection diodes to both positive and negative
supply rails, limiting the input voltage to within one diode drop
beyond the supply rails. The inverting inputs and FB- have ESD
diodes to the V-rail, and the non-inverting inputs and FB+
terminals have ESD diodes to the V+ rail. The EL8170 has
additional back-to-back diodes across the input terminals and
also across the feedback terminals. If overdriving the inputs is
necessary, the external input current must never exceed 5mA. On
the other hand, the EL8173 has no clamps to limit the
differential voltage on the input terminals allowing higher
differential input voltages at lower gain applications. It is
recommended however, that the input terminals of the EL8173
are not overdriven beyond 1V to avoid offset drift. An external
series resistor may be used as an external protection to limit
excessive external voltage and current from damaging the
inputs.
Input Stage and Input Voltage Range
The input terminals (IN+ and IN-) of the EL8170 and EL8173 are
single differential pair bipolar PNP devices aided by an Input
Range Enhancement Circuit to increase the headroom of
operation of the common-mode input voltage. The feedback
terminals (FB+ and FB-) also have a similar topology. As a result,
the input common-mode voltage range of both the EL8170 and
EL8173 is rail-to-rail. These in-amps are able to handle the input
voltages that are at or slightly beyond the supply and ground
making these in-amps well suited for single +5V or +3.3V low
voltage supply systems. There is no need to move the
common-mode input of the in-amps to achieve symmetrical input
voltage.
Pin Descriptions
EL8170
EL8173
PIN NAME
EQUIVALENT CIRCUIT
PIN FUNCTION
1
DNC
Do Not Connect; Internal connection - Must be left floating.
2
IN-
Circuit 1A, Circuit 1B
High impedance input terminals. The EL8170 input circuit is shown in Circuit 1A,
and the EL8173 input circuit is shown in Circuit 1B.
The EL8173: to avoid offset drift, it is recommended that the terminals are not
overdriven beyond 1V and the input current must never exceed 5mA.
3
IN+
Circuit 1A, Circuit 1B
4
V-
Circuit 3
Negative supply terminal.
5
FB-
Circuit 1A, Circuit 1B
High impedance feedback terminals. The EL8170 input circuit is shown in
Circuit 1A, and the EL8173 input circuit is shown in Circuit 1B.
The EL8173: to avoid offset drift, it is recommended that the terminals are not
overdriven beyond 1V and the input current must never exceed 5mA.
8
FB+
Circuit 1A, Circuit 1B
7
V+
Circuit 3
Positive supply terminal.
6
VOUT
Circuit 2
Output voltage.
IN-
V+
V-
V+
V-
OUT
CIRCUIT 2
CIRCUIT 1A
V+
V-
CAPACITIVELY
COUPLED
ESD CLAMP
CIRCUIT 3
V+
V-
CIRCUIT 1B
FB-
IN-
FB-
IN+
FB+
IN+
FB+
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EL8170ISZ-T7 | 功能描述:IC AMP INST SGL R-R MCRPWR 8SOIC RoHS:是 類(lèi)別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 放大器類(lèi)型:通用 電路數(shù):2 輸出類(lèi)型:滿擺幅 轉(zhuǎn)換速率:1.8 V/µs 增益帶寬積:6.5MHz -3db帶寬:4.5MHz 電流 - 輸入偏壓:5nA 電壓 - 輸入偏移:100µV 電流 - 電源:65µA 電流 - 輸出 / 通道:35mA 電壓 - 電源，單路/雙路(±):1.8 V ~ 5.25 V，±0.9 V ~ 2.625 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:10-MSOP 包裝:管件 |
| EL8171 | 制造商:INTERSIL 制造商全稱(chēng):Intersil Corporation 功能描述:Micropower, Single Supply, Rail-to-Rail Input-Output Instrumentation Amplifiers |
| EL8171_06 | 制造商:INTERSIL 制造商全稱(chēng):Intersil Corporation 功能描述:Micropower, Single Supply, Rail-to-Rail Input-Output Instrumentation Amplifiers |
| EL8171_07 | 制造商:INTERSIL 制造商全稱(chēng):Intersil Corporation 功能描述:Micropower, Single Supply, Rail-to-Rail Input-Output Instrumentation Amplifiers |
| EL8171FSZ | 功能描述:儀表放大器 EL8171FSZ MICROPWR SINGL SUPY R2R I/O RoHS:否 制造商:Texas Instruments 通道數(shù)量: 輸入補(bǔ)償電壓:150 V 可用增益調(diào)整: 最大輸入電阻:10 kOhms 共模抑制比（最小值）:88 dB 工作電源電壓:2.7 V to 36 V 電源電流:200 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:MSOP-8 封裝:Bulk |
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