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參數(shù)資料
| 型號： | NCV2904DR2 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 運(yùn)算放大器 |
| 英文描述： | DUAL DIFFERENTIAL INPUT OPERATIONAL AMPLIFIERS |
| 中文描述： | DUAL OP-AMP, 7000 uV OFFSET-MAX, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數(shù)： | 6/16頁 |
| 文件大?。?/td> | 128K |
| 代理商： | NCV2904DR2 |
LM358, LM258, LM2904, LM2904A, LM2904V, NCV2904
http://onsemi.com
6
CIRCUIT DESCRIPTION
The LM358 series is made using two internally
compensated, two–stage operational amplifiers. The first
stage of each consists of differential input devices Q20 and
Q18 with input buffer transistors Q21 and Q17 and the
differential to single ended converter Q3 and Q4. The first
stage performs not only the first stage gain function but also
performs the level shifting and transconductance reduction
functions. By reducing the transconductance, a smaller
compensation capacitor (only 5.0 pF) can be employed, thus
saving chip area. The transconductance reduction is
accomplished by splitting the collectors of Q20 and Q18.
Another feature of this input stage is that the input common
mode range can include the negative supply or ground, in
single supply operation, without saturating either the input
devices or the differential to single–ended converter. The
second stage consists of a standard current source load
amplifier stage.
Each amplifier is biased from an internal–voltage
regulator which has a low temperature coefficient thus
giving each amplifier good temperature characteristics as
well as excellent power supply rejection.
Figure 3. Large Signal Voltage
Follower Response
5.0
μ
s/DIV
1
V
CC
= 15 Vdc
R
L
= 2.0 k
T
A
= 25
°
C
A
V
I
Figure 4. Input Voltage Range
Figure 5. Large–Signal Open Loop Voltage Gain
18
16
14
12
10
8.0
6.0
4.0
2.0
0
20
0
2.0
4.0
6.0
8.0
10
12
14
16
18
20
V
CC
/V
EE,
POWER SUPPLY VOLTAGES (V)
120
100
80
60
40
20
0
-20
1.0
10
100
1.0 k
10 k
100 k
1.0 M
f, FREQUENCY (Hz)
Negative
Positive
V
CC
= 15 V
V
EE
= Gnd
T
A
= 25
°
C
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| NCV2904DR2G | 功能描述:運(yùn)算放大器 - 運(yùn)放 3-26V Quad Lo PWR Extended Temp 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 |
| NCV2904DR2G/H | 制造商:ON Semiconductor 功能描述: |
| NCV2904V | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Single Supply Dual Operational Amplifiers |
| NCV2904VDR2G | 功能描述:運(yùn)算放大器 - 運(yùn)放 150C LO PWR DUAL OP AMP 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 |
| NCV2931 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:100 mA, Adjustable Output, LDO Voltage Regulator with 60 V Load Dump Protection |
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