參數(shù)資料
型號(hào)： AD620
廠商： Analog Devices, Inc.
元件分類： 運(yùn)動(dòng)控制電子
英文描述： Low Cost, Low Power Instrumentation Amplifier(儀器用放大器)
中文描述： 低成本，低功耗儀表放大器（儀器用放大器）
文件頁(yè)數(shù)： 1/16頁(yè)
文件大?。?/td> 721K
代理商： AD620
CONNECTION DIAGRAM
8-Pin Plastic Mini-DIP (N), Cerdip (Q)
and SOIC (R) Packages
–IN
R
G
–V
S
+IN
R
G
+V
S
OUTPUT
REF
1
2
3
4
8
7
6
5
AD620
TOP VIEW
REV. D
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
Low Cost, Low Power
Instrumentation Amplifier
AD620
FEATURES
EASY TO USE
Gain Set with One External Resistor
(Gain Range 1 to 1000}
Wide Power Supply Range (
6
2.3 V to
6
18 V)
Higher Performance than Three Op Amp IA Designs
Available in 8-Pin DIP and SOIC Packaging
Low Power, 1.3 mA max Supply Current
EXCELLENT DC PERFORMANCE (“A GRADE”)
125
m
V max, Input Offset Voltage (50
m
V max
“B” Grade)
1
m
V/
8
C max, Input Offset Drift
2.0 nA max, Input Bias Current
93 dB min Common-Mode Rejection Ratio (G = 10)
LOW NOISE
9 nV/
√
Hz
, @ 1 kHz, Input Voltage Noise
0.28
m
V p-p Noise (0.1 Hz to 10 Hz)
EXCELLENT AC SPECIFICATIONS
120 kHz Bandwidth (G = 100)
15
m
s Settling Time to 0.01%
APPLICATIONS
Weigh Scales
ECG and Medical Instrumentation
Transducer Interface
Data Acquisition Systems
Industrial Process Controls
Battery Powered and Portable Equipment
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703
PRODUCT DESCRIPTION
The AD620 is a low cost, high accuracy instrumentation ampli-
fier which requires only one external resistor to set gains of 1 to
1000. Furthermore, the AD620 features 8-pin SOIC and DIP
packaging that is smaller than discrete designs, and offers lower
0
5
10
15
20
30,000
5,000
10,000
15,000
20,000
25,000
0
T
SUPPLY CURRENT – mA
AD620A
R
G
3 OP-AMP
IN-AMP
(3 OP-07s)
Three Op Amp IA Designs vs. AD620
SOURCE RESISTANCE –
100M
10k
1k
10M
1M
100k
10,000
0.1
100
1,000
10
1
TYPICAL STANDARD
BIPOLAR INPUT
IN-AMP
AD620 SUPERETA
BIPOLAR INPUT
IN-AMP
R
(
μ
V
G = 100
Total Voltage Noise vs. Source Resistance
power (only 1.3 mA max supply current), making it a good fit
for battery powered, portable (or remote) applications.
The AD620, with its high accuracy of 40 ppm maximum
nonlinearity, low offset voltage of 50
μ
V max and offset drift of
0.6
μ
V/
°
C max, is ideal for use in precision data acquisition sys-
tems, such as weigh scales and transducer interfaces. Further-
more, the low noise, low input bias current, and low power of
the AD620 make it well suited for medical applications such as
ECG and noninvasive blood pressure monitors.
The low input bias current of 1.0 nA max is made possible with
the use of Super
β
eta processing in the input stage. The AD620
works well as a preamplifier due to its low input voltage noise of
9 nV/
√
Hz
at 1 kHz, 0.28
μ
V p-p in the 0.1 Hz to 10 Hz band,
0.1 pA/
√
Hz
input current noise. Also, the AD620 is well suited
for multiplexed applications with its settling time of 15
μ
s to
0.01% and its cost is low enough to enable designs with one in
amp per channel.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD620_04 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Cost Low Power Instrumentation Amplifier
AD620_05 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Cost Low Power Instrumentation Amplifier
AD620-00E 功能描述:SENSOR MAG SW 28G STANDRD 8-MSOP 制造商:nve corp/sensor products 系列:AD 包裝:管件 零件狀態(tài):有效 功能:全極開(kāi)關(guān) 技術(shù):霍爾效應(yīng) 極化:任意一種 感應(yīng)范圍:±3.4mT 跳閘，±1.4mT 釋放 測(cè)試條件:-40°C ~ 125°C 電壓 - 電源:4.5 V ~ 30 V 電流 - 電源（最大值）:4.5mA 電流 - 輸出（最大值）:20mA 輸出類型:開(kāi)路集電極 特性:- 工作溫度:-40°C ~ 125°C（TA） 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應(yīng)商器件封裝:8-MSOP 標(biāo)準(zhǔn)包裝:1,000
AD620-02E 功能描述:SENSOR MAG SW 28G STANDARD 8SOIC 制造商:nve corp/sensor products 系列:AD 包裝:管件 零件狀態(tài):有效 功能:全極開(kāi)關(guān) 技術(shù):霍爾效應(yīng) 極化:任意一種 感應(yīng)范圍:±3.4mT 跳閘，±1.4mT 釋放 測(cè)試條件:-40°C ~ 125°C 電壓 - 電源:4.5 V ~ 30 V 電流 - 電源（最大值）:4.5mA 電流 - 輸出（最大值）:20mA 輸出類型:開(kāi)路集電極 特性:- 工作溫度:-40°C ~ 125°C（TA） 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商器件封裝:8-SOIC 標(biāo)準(zhǔn)包裝:1,000
AD620A 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Cost, Low Power Instrumentation Amplifier
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