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參數(shù)資料
| 型號： | AD621 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | DC/DC變換器 |
| 英文描述： | RE Series - Econoline Unregulated DC-DC Converters; Input Voltage (Vdc): 3.3V; Output Voltage (Vdc): 24V; Power: 1W; Industry Standard Pinout; 1kVDC & 2kVDC Isolation; UL94V-0 Package Material; Optional Continuous Short Circuit Protected; Fully Encapsulated; Custom Solutions Available; Efficiency to 85% |
| 中文描述： | 低漂移，低功耗儀表放大器 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 663K |
| 代理商： | AD621 |
CONNECTION DIAGRAM
8-Pin Plastic Mini-DIP (N), Cerdip (Q)
and SOIC (R) Packages
–IN
REF
G=10/100
G=10/100
+IN
OUTPUT
–V
S
+V
S
1
2
3
4
8
7
6
5
TOP VIEW
AD621
REV. A
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 Drift, Low Power
Instrumentation Amplifier
AD621
FEATURES
EASY TO USE
Pin-Strappable Gains of 10 & 100
All Errors Specified for Total System Performance
Higher Performance than Discrete In-Amp Designs
Available in 8-Pin DIP and SOIC
Low Power, 1.3 mA max Supply Current
Wide Power Supply Range (
6
2.3 V to
6
18 V)
EXCELLENT DC PERFORMANCE
0.15% max, Total Gain Error
6
5 ppm/
8
C, Total Gain Drift
125
m
V max, Total Offset Voltage
1.0
m
V/
8
C max, Offset Voltage Drift
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
800 kHz Bandwidth (G = 10}, 200 kHz (G = 100}
12
m
s Settling Time to 0.01%
APPLICATIONS
Weigh Scales
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 AD621 is an easy to use, low cost, low power, high accu-
racy instrumentation amplifier which is ideally suited for a wide
range of applications. Its unique combination of high perfor-
mance, small size and low power, outperforms discrete in amp
implementations. High functionality, low gain errors and low
gain drift errors are achieved by the use of internal gain setting
resistors. Fixed gains of 10 and 100 can be easily set via external
30,000
15,000
20,000
25,000
10,000
5,000
0
5
10
15
20
T
SUPPLY CURRENT – mA
AD621A
3 - OP AMP
IN-AMPS
(3 OP 07'S)
Three Op Amp IA Designs vs. AD621
pin strapping. The AD621 is fully specified as a total system,
therefore, simplifying the design process.
For portable or remote applications, where power dissipation,
size and weight are critical, the AD621 features a very low sup-
ply current of 1.3 mA max and is packaged in a compact 8-pin
SOIC, 8-pin plastic DIP or 8-pin cerdip. The AD621 also
excels in applications requiring high total accuracy, such as pre-
cision data acquisition systems used in weigh scales and trans-
ducer interface circuits. Low maximum error specifications
including nonlinearity of 10 ppm, gain drift of 5 ppm/
°
C, 50
μ
V
offset voltage and 0.6
μ
V/
°
C offset drift (“B” grade), make pos-
sible total system performance at a lower cost than has been pre-
viously achieved with discrete designs or with other monolithic
instrumentation amplifiers.
When operating from high source impedances, as in ECG and
blood pressure monitors, the AD621 features the ideal combina-
tion of low noise and low input bias currents. Voltage noise is
specified as 9 nV/
√
Hz
at 1 kHz and 0.28
μ
V p-p from 0.1 Hz to
10 Hz. Input current noise is also extremely low at 0.1 pA/
√
Hz
.
The AD621 outperforms FET input devices with an input bias
current specification of 1.5 nA max over the full industrial tem-
perature range.
10,000
1,000
100
10
1
0.1
1k
10k
100k
1M
10M
100M
SOURCE RESISTANCE –
T
μ
V
(
AD621 SUPERETA
BIPOLAR INPUT
IN-AMP
TYPICAL STANDARD
BIPOLAR INPUT
IN-AMP
Total Voltage Noise vs. Source Resistance
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD621A | Low Drift, Low Power Instrumentation Amplifier |
| AD621AN | Low Drift, Low Power Instrumentation Amplifier |
| AD621AR | Low Drift, Low Power Instrumentation Amplifier |
| AD621B | RE Series - Econoline Unregulated DC-DC Converters; Input Voltage (Vdc): 3.3V; Output Voltage (Vdc): 3.3V; Power: 1W; Industry Standard Pinout; 1kVDC & 2kVDC Isolation; UL94V-0 Package Material; Optional Continuous Short Circuit Protected; Fully Encapsulated; Custom Solutions Available; Efficiency to 85% |
| AD621BN | Low Drift, Low Power Instrumentation Amplifier |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD621-00E | 功能描述:SENS MAG SW 20G CROS AXIS 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:全極開關(guān) 技術(shù):霍爾效應(yīng) 極化:任意一種 感應(yīng)范圍:±2.5mT 跳閘，±1.1mT 釋放 測試條件:-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 |
| AD621-02E | 功能描述:SENSOR MAG SW 20G CROS AXS 8SOIC 制造商:nve corp/sensor products 系列:AD 包裝:管件 零件狀態(tài):有效 功能:全極開關(guān) 技術(shù):霍爾效應(yīng) 極化:任意一種 感應(yīng)范圍:±2.5mT 跳閘，±1.1mT 釋放 測試條件:-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 |
| AD621A | 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Drift, Low Power Instrumentation Amplifier |
| AD621ACHIPS | 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Drift, Low Power Instrumentation Amplifier |
| AD621AN | 制造商:Analog Devices 功能描述:SP Amp INSTR Amp Single 制造商:Analog Devices 功能描述:IC AMP INSTRUMENTATION DIP8 621 |
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