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參數(shù)資料
| 型號： | OPA4243 |
| 英文描述： | Quad OPERATIONAL AMPLIFIER MicroPOWER, Single-Supply |
| 中文描述： | 四運(yùn)算放大器微功耗，單電源 |
| 文件頁數(shù)： | 7/7頁 |
| 文件大小： | 97K |
| 代理商： | OPA4243 |
7
OPA4243
TYPICAL PERFORMANCE CURVES
(Cont.)
At T
A
= + 25
°
C, R
L
= 20k
connected to ground, unless otherwise noted.
LARGE-SIGNAL STEP RESPONSE
(V
S
=
±
7.5, G = +1, R
L
= 20k
, C
L
= 100pF)
2
50
μ
s/div
SMALL-SIGNAL STEP RESPONSE
(V
S
=
±
7.5V, G = +1, R
L
= 20k
, C
L
= 100pF)
5
10
μ
s/div
APPLICATION INFORMATION
The OPA4243 is unity-gain stable and suitable for a wide
range of general-purpose applications. The power supply
pins should be bypassed with 0.01
μ
F ceramic capacitors.
OPERATING VOLTAGE
The OPA4243 can operate from single supply (2.2V to 36V)
or dual supplies (
±
1.1V to
±
18V) with excellent perfor-
mance. Unlike most op amps which are specified at only one
supply voltage, the OPA4243 is specified for real world
applications; a single set of specifications applies through-
out the 2.6V to 36V supply range. This allows the designer
to have the same assured performance at any supply voltage
within this range.
In addition, many key parameters are guaranteed over the
specified temperature range, –40
°
C to +85
°
C. Most behav-
iors remain unchanged throughout the full operating voltage
range. Parameters, which vary significantly with operating
voltage or temperature, are shown in the typical perfor-
mance curves.
PRINTED CIRCUIT BOARD LAYOUT
See Burr-Brown Application Note AB-132 for specific PC
board layout recommendations.
INPUT PROTECTION
Rail-to-rail input signals will not cause damage or invert the
output of the OPA4243. To protect against ESD and exces-
sive input voltage (beyond the supply rails) the OPA4243
includes diodes from the input terminals to the power supply
rails. Normally, these diodes are reversed biased and have
negligible effect on circuit operation. However, if the input
voltage is allowed to exceed the supply voltages by enough
to forward bias these diodes (generally, 0.3V to 0.6V)
excessive input current could flow. If this condition could
occur (for example, if an input signal is applied when the op
amp supply voltage is zero), care should be taken to limit the
input current to less than 10mA to avoid damage. An input
signal beyond the supplies, with power applied, can cause an
unexpected output inversion.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| OPA4243_13 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Quad OPERATIONAL AMPLIFIER MicroPOWER, Single-Supply |
| OPA4243EA | 制造商:BB 制造商全稱:BB 功能描述:Quad OPERATIONAL AMPLIFIER MicroPOWER, Single-Supply |
| OPA4243EA/250 | 功能描述:運(yùn)算放大器 - 運(yùn)放 Quad MicroPower Single-Supply RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| OPA4243EA/250E4 | 功能描述:運(yùn)算放大器 - 運(yùn)放 Quad MicroPower Single-Supply RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| OPA4243EA/2K5 | 功能描述:運(yùn)算放大器 - 運(yùn)放 Quad MicroPower Single-Supply RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
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