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參數(shù)資料
| 型號(hào)： | EL8300ISZ-T7 |
| 廠商： | Intersil |
| 文件頁數(shù)： | 14/14頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP TRIPLE 200MHZ R-R 16-SOIC |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 放大器類型： | 電壓反饋 |
| 電路數(shù)： | 3 |
| 輸出類型： | 滿擺幅 |
| 轉(zhuǎn)換速率： | 200 V/µs |
| 增益帶寬積： | 100MHz |
| -3db帶寬： | 200MHz |
| 電流 - 輸入偏壓： | 1.4µA |
| 電壓 - 輸入偏移： | 800µV |
| 電流 - 電源： | 2mA |
| 電流 - 輸出 / 通道： | 65mA |
| 電壓 - 電源，單路/雙路(±)： | 3 V ~ 5 V，±1.5 V ~ 2.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-SOIC |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 其它名稱： | EL8300ISZ-T7DKR |
9
Simplified Schematic Diagram
Description of Operation and Application
Information
Product Description
The EL8300 is wide bandwidth, single supply, low power and
rail-to-rail output voltage feedback operational amplifier. The
amplifiers are internally compensated for closed loop gain of
+1 of greater. Connected in voltage follower mode and
driving a 1k
load, the EL8300 has a -3dB bandwidth of
200MHz. Driving a 150
load, the bandwidth is about
130MHz while maintaining a 200V/us slew rate. The EL8300
is available with a power down pin for each channel to
reduce power to 30A typically while the amplifier is
disabled.
Input, Output and Supply Voltage Range
The EL8300 has been designed to operate with a single
supply voltage from 3V to 5.0V. Split supplies can also be
used as long as their total voltage is within 3V to 5.0V. The
amplifiers have an input common mode voltage range from
0.15V below the negative supply (VS- pin) to within 1.5V of
the positive supply (VS+ pin). If the input signal is outside the
above specified range, it will cause the output signal to be
distorted.
The output of the EL8300 can swing rail to rail. As the load
resistance becomes lower, the ability to drive close to each
rail is reduced. For the load resistor 1k
, the output swing is
about 4.9V at a 5V supply. For the load resistor 150
, the
output swing is about 4.6V.
Choice of Feedback Resistor and Gain Bandwidth
Product
For applications that require a gain of +1, no feedback
resistor is required. Just short the output pin to the inverting
input pin. For gains greater than +1, the feedback resistor
forms a pole with the parasitic capacitance at the inverting
input. As this pole becomes smaller, the amplifier’s phase
margin is reduced. This causes ringing in the time domain
and peaking in the frequency domain. Therefore, RF has
some maximum value that should not be exceeded for
optimum performance. If a large value of RF must be used, a
small capacitor in the few Pico farad range in parallel with RF
can help to reduce the ringing and peaking at the expense of
reducing the bandwidth.
As far as the output stage of the amplifier is concerned, the
output stage is also a gain stage with the load. RF and RG
appear in parallel with RL for gains other than +1. As this
combination gets smaller, the bandwidth falls off.
Consequently, RF also has a minimum value that should not
be exceeded for optimum performance. For gain of +1, RF=0
is optimum. For the gains other than +1, optimum response
is obtained with RF between 300 to 1k.
The EL8300 has a gain bandwidth product of 100MHz. For
gains
≥5, its bandwidth can be predicted by the following
equation:
Video Performance
For good video performance, an amplifier is required to
maintain the same output impedance and the same
frequency response as DC levels are changed at the output.
This is especially difficult when driving a standard video load
of 150
, because the change in output current with DC level.
Special circuitry has been incorporated in the EL8300 to
reduce the variation of the output impedance with the current
output. This results in dG and dP specifications of 0.03%
and 0.05
°, while driving 150 at a gain of 2. Driving high
impedance loads would give a similar or better dG and dP
performance.
IN+
IN-
I1
I2
R6
R3
R1
R2
Q1
Q2
R7
VBIAS1
Q5
Q6
R8
Q7
Q8
R9
Q3
Q4
R4
R5
VS-
OUT
VBIAS2
VS+
DIFFERENTIAL TO
DRIVE
GENERATOR
SINGLE ENDED
Gain
BW
×
100MHz
=
EL8300
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| EL8300IU | 功能描述:運(yùn)算放大器 - 運(yùn)放 200MHZ R-R 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 |
| EL8300IU-T13 | 功能描述:IC AMP TRIPLE R-R 200MHZ 16-QSOP RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:50 系列:LinCMOS™ 放大器類型:通用 電路數(shù):4 輸出類型:- 轉(zhuǎn)換速率:0.05 V/µs 增益帶寬積:110kHz -3db帶寬:- 電流 - 輸入偏壓:0.7pA 電壓 - 輸入偏移:210µV 電流 - 電源:57µA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):3 V ~ 16 V，±1.5 V ~ 8 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:14-SOIC 包裝:管件 產(chǎn)品目錄頁面:865 (CN2011-ZH PDF) 其它名稱:296-1834296-1834-5 |
| EL8300IU-T7 | 功能描述:IC OP AMP 200MHZ R-R 16-QSOP RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 放大器類型:通用 電路數(shù):2 輸出類型:滿擺幅 轉(zhuǎn)換速率:1.8 V/µs 增益帶寬積:6.5MHz -3db帶寬:4.5MHz 電流 - 輸入偏壓:5nA 電壓 - 輸入偏移:100µV 電流 - 電源:65µA 電流 - 輸出 / 通道:35mA 電壓 - 電源，單路/雙路(±):1.8 V ~ 5.25 V，±0.9 V ~ 2.625 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:10-MSOP 包裝:管件 |
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