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參數(shù)資料
| 型號(hào)： | MAX4020ESD |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | Low-Cost, High-Speed, SOT23, Single-Supply Op Amps with Rail-to-Rail Outputs |
| 中文描述： | 1 CHANNEL, VIDEO AMPLIFIER, PDSO14 |
| 封裝： | 0.150 INCH, MS-012AB, SO-14 |
| 文件頁(yè)數(shù)： | 10/16頁(yè) |
| 文件大?。?/td> | 196K |
| 代理商： | MAX4020ESD |
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_______________Detailed Desc ription
The MAX4012/MAX4016/MAX4018/MAX4020 are sin-
gle-supply, rail-to-rail, voltage-feedback amplifiers that
employ current-feedback techniques to achieve
600V/μs slew rates and 200MHz bandwidths. Excellent
harmonic distortion and differential gain/phase perfor-
mance make these amplifiers an ideal choice for a wide
variety of video and RF signal-processing applications.
The output voltage swing comes to within 50mV of each
supply rail. Local feedback around the output stage
assures low open-loop output impedance to reduce
gain sensitivity to load variations. This feedback also
produces demand-driven current bias to the output
transistors for ±120mA drive capability, while constrain-
ing total supply current to less than 7mA. The input
stage permits common-mode voltages beyond the nega-
tive supply and to within 2.25V of the positive supply rail.
__________Applic ations Information
Choosing Resistor V alues
Unity-Gain Configuration
The MAX4012/MAX4016/MAX4018/MAX4020 are inter-
nally compensated for unity gain. When configured for
unity gain, the devices require a 24
resistor (R
F
) in
series with the feedback path. This resistor improves
AC response by reducing the Q of the parallel LC cir-
cuit formed by the parasitic feedback capacitance and
inductance.
Inverting and Noninverting Configurations
Select the gain-setting feedback (R
F
) and input (R
G
)
resistor values to fit your application. Large resistor val-
ues increase voltage noise and interact with the amplifi-
er’s input and PC board capacitance. This can
generate undesirable poles and zeros and decrease
bandwidth or cause oscillations. For example, a nonin-
verting gain-of-two configuration (R
F
= R
G
) using 1k
resistors, combined with 1pF of amplifier input capaci-
tance and 1pF of PC board capacitance, causes a pole
at 159MHz. Since this pole is within the amplifier band-
width, it jeopardizes stability. Reducing the 1k
resis-
tors to 100
extends the pole frequency to 1.59GHz,
but could limit output swing by adding 200
in parallel
with the amplifier’s load resistor. Table 1 shows sug-
gested feedback, gain resistors, and bandwidth for
several gain values in the configurations shown in
Figures 1a and 1b.
Layout and Power-S upply Bypassing
These amplifiers operate from a single +3.3V to +11V
power supply or from dual supplies to ±5.5V. For single-
supply operation, bypass V
CC
to ground with a 0.1μF
capacitor as close to the pin as possible. If operating with
dual supplies, bypass each supply with a 0.1μF capacitor.
Low-Cost, High-S peed, S OT 23, S ingle-S upply
Op Amps with Rail-to-Rail Outputs
10
______________________________________________________________________________________
IN
R
G
V
OUT
= [1+ (R
F
/ R
G
)] V
IN
R
F
R
TO
R
TIN
R
O
V
OUT
MAX40_ _
IN
R
G
V
OUT
= -(R
F
/ R
G
) V
IN
R
F
R
TO
R
S
R
TIN
R
O
V
OUT
MAX40_ _
Figure 1a. Noninverting Gain Configuration
Figure 1b. Inverting Gain Configuration
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX4012 | Low-Cost, High-Speed, SOT23, Single-Supply Op Amps with Rail-to-Rail Outputs |
| MAX4012EUK | Low-Cost, High-Speed, SOT23, Single-Supply Op Amps with Rail-to-Rail Outputs |
| MAX4016 | Low-Cost, High-Speed, SOT23, Single-Supply Op Amps with Rail-to-Rail Outputs |
| MAX4018 | Low-Cost, High-Speed, SOT23, Single-Supply Op Amps with Rail-to-Rail Outputs |
| MAX4018EEE | Low-Cost, High-Speed, SOT23, Single-Supply Op Amps with Rail-to-Rail Outputs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4020ESD+ | 功能描述:高速運(yùn)算放大器 High-Speed Single Supply RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX4020ESD+T | 功能描述:高速運(yùn)算放大器 High-Speed Single Supply RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX4020ESD-T | 功能描述:高速運(yùn)算放大器 RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX4022 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Low-Cost, High-Speed, Single-Supply, Gain of +2 Buffers with Rail-to-Rail Outputs in SOT23 |
| MAX40-22.0C | 制造商:MDE 制造商全稱:MDE Semiconductor, Inc. 功能描述:HIGH CURRENT TRANSIENT VOLTAGE SUPPRESSOR (TVS) DIODE |
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