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參數(shù)資料
| 型號(hào)： | MC3403 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | LOW POWER QUAD BIPOLAR OPERATIONAL AMPLIFIERS |
| 中文描述： | 低功耗四雙極運(yùn)算放大器 |
| 文件頁(yè)數(shù)： | 5/11頁(yè) |
| 文件大?。?/td> | 326K |
| 代理商： | MC3403 |
The MC3403 is made using four internally compen-
sated, two-stage operational amplifiers. The first
stage of each consists of differential input devices
Q24 and Q22 with input buffer transistors Q25 and
Q21 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 shift-
ing and transconductance reduction functions. By
reducing the transconductance a smaller compen-
sation capacitor (only 8pF) can be employed, thus
saving chip area.
The transconductance reduction is accomplished
by splitting the collectors of Q24 and Q22. Another
feature of this input stage is that the input common-
mode range can include the negative supply of
ground, in single supply operation, without satura-
tion either the input devices or the differential to sin-
gle-ended converter.
The second stage consists of a standard current
source load amplifier stage. The output stage is
unique because it allows the output to swing to
ground in single supply operation and yet does not
exhibit any crossover distortion in split supply opera-
tions. This is possible because class AB operation
is utilized.
Each amplifier is biased from an internal voltage
regulator which has a low temperature coefficient
thus giving each amplifier good temperature charac-
teristics as well as excellent power supply rejection.
CIRCUIT DESCRIPTION
20
μ
s/div.
TYPICAL PERFORMANCE CURVES
A
V
= 100
1/4
MC3403
V
O
V
CC
V
CC
R1
10k
V
O
=
V
CC
1
2
V
O
R1
R1 + R2
V
CC
=
R2
10k
APPLICATION INFORMATION
VOLTAGE REFERENCE
50k
5k
10k
1/4
MC3403
V
O
V
CC
V
(ref)
R
C
C
R
V
(ref)
=
1
2
V
CC
f
O
=
1
2
π
RC
For
f
= 1kHz
R = 16k
C = 0.01
μ
F
WIEN BRIDGE OSCILLATOR
MC3303 - MC3403 - MC3503
5/11
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC3403_06 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Single Supply Quad Operational Amplifiers |
| MC3403D | 功能描述:運(yùn)算放大器 - 運(yùn)放 Quad Low Power 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 |
| MC3403D | 制造商:STMicroelectronics 功能描述:Operational Amplifier (Op-Amp) IC |
| MC3403DB | 制造商:TI 制造商全稱:Texas Instruments 功能描述:QUADRUPLE LOW-POWER OPERATIONAL AMPLIFIERS |
| MC3403DBR | 制造商:Texas Instruments 功能描述: |
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