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參數(shù)資料
| 型號： | AD8625ARZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 5/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC OPAMP JFET 5MHZ QUAD 14SOIC |
| 標準包裝： | 56 |
| 放大器類型： | J-FET |
| 電路數(shù)： | 4 |
| 輸出類型： | 滿擺幅 |
| 轉換速率： | 5 V/µs |
| 增益帶寬積： | 5MHz |
| 電流 - 輸入偏壓： | 0.25pA |
| 電壓 - 輸入偏移： | 350µV |
| 電流 - 電源： | 710µA |
| 電流 - 輸出 / 通道： | 15mA |
| 電壓 - 電源，單路/雙路(±)： | 5 V ~ 26 V，±2.5 V ~ 13 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） |
| 供應商設備封裝： | 14-SOIC |
| 包裝： | 管件 |
| 產品目錄頁面： | 773 (CN2011-ZH PDF) |
Data Sheet
AD8625/AD8626/AD8627
Rev. F | Page 13 of 20
APPLICATIONS INFORMATION
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 –VS to 2 V below +VS. Driving the input of
the amplifier, configured in the 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 +VS, respectively.
The AD862x does not experience phase reversal with input
signals close to the positive rail, as shown in Figure 29. For
input voltages greater than +VSY, 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 ±VSY = 0.
Either of these conditions damages the amplifier if the
condition exists for more than 10 seconds. A 10 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
s/DIV)
03023-038
VOLTAGE
(2V/DIV)
INPUT
OUTPUT
VSY = 5V
4V
0V
Figure 39. Unity Gain Follower Response to 0 V to 4 V Step
TIME (2
s/DIV)
03023-039
VOLTAGE
(2V/DIV)
INPUT
OUTPUT
VSY = 5V
4V
0V
5V
0V
Figure 40. Unity Gain Follower Response to 0 V to 5 V Step
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AD8625ARZ | 制造商:Analog Devices 功能描述:AMP QUAD JFET SMD 8625 SOIC14 |
| AD8625ARZ-REEL | 功能描述:IC OPAMP JFET 5MHZ QUAD 14SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:50 系列:- 放大器類型:J-FET 電路數(shù):2 輸出類型:- 轉換速率:3.5 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:30pA 電壓 - 輸入偏移:2000µV 電流 - 電源:200µA 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:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 供應商設備封裝:8-PDIP 包裝:管件 |
| AD8625ARZ-REEL7 | 功能描述:IC OPAMP JFET 5MHZ QUAD 14SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:50 系列:- 放大器類型:J-FET 電路數(shù):2 輸出類型:- 轉換速率: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） 供應商設備封裝:8-PDIP 包裝:管件 |
| AD8626 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Precision Low Power Single-Supply JFET Amplifier |
| 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 |
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