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參數(shù)資料
| 型號(hào)： | AD8626 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Precision Low Power Single-Supply JFET Amplifier |
| 中文描述： | 精密低功耗單電源結(jié)型場(chǎng)效應(yīng)管放大器 |
| 文件頁數(shù)： | 13/20頁 |
| 文件大小： | 568K |
| 代理商： | AD8626 |
AD8627/AD8626/AD8625
APPLICATIONS
The AD862x is one of the smallest and most economical
JFETs offered. It has true single-supply capability and has
an input voltage range that extends below the negative rail,
allowing the part to accommodate input signals below ground.
The rail-to-rail output of the AD862x provides the maximum
dynamic range in many applications. To provide a low offset,
low noise, high impedance input stage, the AD862x uses
n-channel JFETs The input common-mode voltage extends
from 0.2 V below –V
S
to 2 V below +V
S
. Driving the input of the
amplifier, configured in unity gain buffer, closer than 2 V to the
positive rail causes an increase in common-mode voltage error,
as illustrated in Figure 15, and a loss of amplifier bandwidth.
This loss of bandwidth causes the rounding of the output
waveforms shown in Figure 39 and Figure 40, which have inputs
that are 1 V and 0 V from +V
S
, respectively.
Rev. B | Page 13 of 20
The AD862x will not experience phase reversal with input
signals close to the positive rail, as shown in Figure 29. For input
voltages greater than +V
SY
, a resistor in series with the AD862x’s
noninverting input prevents phase reversal at the expense of
greater input voltage noise. This current limiting resistor should
also be used if there is a possibility of the input voltage
exceeding the positive supply by more than 300 mV, or if an
input voltage is applied to the AD862x when ±V
SY
= 0. Either of
these conditions will damage the amplifier if the condition
exists for more than 10 seconds. A 100 k resistor allows the
amplifier to withstand up to 10 V of continuous overvoltage,
while increasing the input voltage noise by a negligible amount.
TIME (2
μ
s/DIV)
0
V
INPUT
OUTPUT
V
SY
= 5V
Figure 39. Unity Gain Follower Response to 0 V to 4 V Step
TIME (2
μ
s/DIV)
0
V
INPUT
OUTPUT
V
SY
= 5V
Figure 40. Unity Gain Follower Response to 0 V to 5 V Step
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD8625AR | Precision Low Power Single-Supply JFET Amplifier |
| AD8625AR-REEL | Precision Low Power Single-Supply JFET Amplifier |
| AD8625AR-REEL7 | Precision Low Power Single-Supply JFET Amplifier |
| AD8625ARU | Precision Low Power Single-Supply JFET Amplifier |
| AD8625ARU-REEL | Precision Low Power Single-Supply JFET Amplifier |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD8626AR | 制造商:Analog Devices 功能描述:OP Amp Dual GP R-R O/P 制造商:Rochester Electronics LLC 功能描述:DUAL PRECISION SINGLE SUPPLY DI-JET AMP - Bulk 制造商:Analog Devices 功能描述:OP Amp Dual GP R-R O/P }13V/26V 8-Pin SOIC N Bulk 制造商:Analog Devices 功能描述:IC AMP DUAL JFET SMD 8626 SOIC8 |
| AD8626ARM | 制造商:Analog Devices 功能描述:OP AMP DUAL GP R-R O/P 13V/26V 8MSOP - Bulk |
| AD8626ARM-R2 | 功能描述:IC OPAMP JFET 5MHZ DUAL LP 8MSOP RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類型:通用 電路數(shù):1 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.11 V/µs 增益帶寬積:350kHz -3db帶寬:- 電流 - 輸入偏壓:4nA 電壓 - 輸入偏移:20µV 電流 - 電源:260µA 電流 - 輸出 / 通道:20mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 36 V，±1.35 V ~ 18 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SO 包裝:帶卷 (TR) |
| AD8626ARM-REEL | 制造商:Analog Devices 功能描述:OP Amp Dual GP R-R O/P 制造商:Analog Devices 功能描述:OP Amp Dual GP R-R O/P ±13V/26V 8-Pin MSOP T/R 制造商:Rochester Electronics LLC 功能描述:DUAL PRECISION SINGLE SUPPLY DI-JET AMP - Tape and Reel |
| AD8626ARMZ | 功能描述:IC OPAMP JFET 5MHZ DUAL LP 8MSOP RoHS:是 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:J-FET 電路數(shù):2 輸出類型:- 轉(zhuǎn)換速率:13 V/µs 增益帶寬積:3MHz -3db帶寬:- 電流 - 輸入偏壓:65pA 電壓 - 輸入偏移:3000µV 電流 - 電源:1.4mA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):7 V ~ 36 V，±3.5 V ~ 18 V 工作溫度:-40°C ~ 85°C 安裝類型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:8-PDIP 包裝:管件 |
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