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參數(shù)資料
| 型號： | GM358S8T |
| 廠商： | American Power Management Inc. |
| 元件分類： | 運算放大器 |
| 英文描述： | DUAL OPERATIONAL AMPLIFIER |
| 中文描述： | 雙路運算放大器 |
| 文件頁數(shù)： | 6/10頁 |
| 文件大小： | 167K |
| 代理商： | GM358S8T |
G
M
3
5
8
5
SCHEMATIC BLOCK DIAGRAM
Q1
Q2
Q3
Q4
Q5
Q6 Q7
Q8
Q9
Q10
Q11
Q12
Q13
Q14
Q15
Q16
Q17
Q18
Q19
Q20
Q21
Q22
Q23
Q24
Inputs
5.0pF
Q25
40k
25k
2.0k
2.4k
V
/ GND
EE
Output
VCC
Bias Circuitry Common
to both Amplifiers
CIRCUIT DESCRIPTION
The GM358 series is made by using two internally compensated, andtwo - 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 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.
A
MICROELECTRONICS
GM358
DUAL OPERATIONAL AMPLIFIER
Signal Conditioning
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| GM358 | DUAL OPERATIONAL AMPLIFIER |
| GM393D8T | LOW POWER DUAL DIFFERENTIAL COMPARATOR |
| GM393S8R | LOW POWER DUAL DIFFERENTIAL COMPARATOR |
| GM393S8T | LOW POWER DUAL DIFFERENTIAL COMPARATOR |
| GM393 | LOW POWER DUAL DIFFERENTIAL COMPARATOR |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| GM358S8TG | 制造商:GAMMA 制造商全稱:GAMMA 功能描述:LOW POWER DUAL OPERATIONAL AMPLIFERS |
| GM3669 | 制造商:GTM 制造商全稱:GTM 功能描述:NPN EPITAXIAL PLANAR TRANSISTOR |
| GM38123-1 | 制造商:ITT Interconnect Solutions 功能描述:GM38123-1 - Bulk |
| GM3838 | 制造商:GSME 制造商全稱:GSME 功能描述:SOT-23 |
| GM3842A | 制造商:GAMMA 制造商全稱:GAMMA 功能描述:CURRENT MODE PWM CONTROLLER |
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