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參數資料
| 型號： | AD8574 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Zero-Drift, Single-Supply, Rail-to-Rail Input/Output Operational Amplifiers |
| 中文描述： | 零漂移，單電源，軌到軌輸入/輸出運算放大器 |
| 文件頁數： | 1/19頁 |
| 文件大小： | 247K |
| 代理商： | AD8574 |
REV. 0
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
AD8571/AD8572/AD8574
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
Analog Devices, Inc., 1999
Zero-Drift, Single-Supply, Rail-to-Rail
Input/Output Operational Amplifiers
8-Lead SOIC
(R Suffix)
1
2
3
4
8
7
6
5
AD8571
2
IN A
V
2
+IN A
V+
OUT A
NC
NC
NC
NC = NO CONNECT
1
2
3
4
8
7
6
5
AD8572
2
IN A
V
2
+IN A
OUT B
2
IN B
+IN B
V+
OUT A
14-Lead SOIC
(R Suffix)
14
13
12
11
10
9
8
1
2
3
4
5
6
7
2
IN A
+IN A
V+
+IN B
2
IN B
OUT B
OUT D
2
IN D
+IN D
V
2
+IN C
2
IN C
OUT C
OUT A
AD8574
FEATURES
Low Offset Voltage: 1
m
V
Input Offset Drift: 0.005
m
V/
8
C
Rail-to-Rail Input and Output Swing
5 V/2.7 V Single-Supply Operation
High Gain, CMRR, PSRR: 130 dB
Ultralow Input Bias Current: 20 pA
Low Supply Current: 750
m
A/Op Amp
Overload Recovery Time: 50
m
s
No External Capacitors Required
APPLICATIONS
Temperature Sensors
Pressure Sensors
Precision Current Sensing
Strain Gage Amplifiers
Medical Instrumentation
Thermocouple Amplifiers
GENERAL DESCRIPTION
This new family of amplifiers has ultralow offset, drift and bias
current. The AD8571, AD8572 and AD8574 are single, dual and
quad amplifiers featuring rail-to-rail input and output swings. All
are guaranteed to operate from 2.7 V to 5 V single supply.
The AD857x family provides the benefits previously found only in
expensive autozeroing or chopper-stabilized amplifiers. Using Analog
Devices’ new topology these new zero-drift amplifiers combine low
cost with high accuracy. (No external capacitors are required.) In
addition, using a patented spread-spectrum autozero technique, the
AD857x family virtually eliminates the intermodulation effects from
interaction of the chopping function with the signal frequency in ac
applications.
With an offset voltage of only 1
μ
V and drift of 0.005
μ
V/
°
C, the
AD8571 is perfectly suited for applications where error sources
cannot be tolerated. Position, and pressure sensors, medical
equipment, and strain gage amplifiers benefit greatly from nearly
zero drift over their operating temperature range. Many more
systems require the rail-to-rail input and output swings provided
by the AD857x family.
The AD857x family is specified for the extended industrial/automotive
(–40
°
C to +125
°
C) temperature range. The AD8571 single is
available in 8-lead MSOP and narrow 8-lead SOIC packages. The
AD8572 dual amplifier is available in 8-lead narrow SO and 8-lead
TSSOP surface mount packages. The AD8574 quad is available in
narrow 14-lead SOIC and 14-lead TSSOP packages.
8-Lead MSOP
(RM Suffix)
2
IN A
1
IN A
V
2
V+
OUT A
NC
1
AD8571
4
5
8
NC
NC = NO CONNECT
NC
8-Lead TSSOP
(RU Suffix)
2
IN A
+IN A
V
2
OUT B
IN B
+IN B
V+
1
AD8572
4
5
8
OUT A
14-Lead TSSOP
(RU Suffix)
OUT A
2
IN A
1
IN A
V
1
2
IN D
1
IN D
V
2
1
IN C
OUT D
1
N B
2
IN B
OUT B
IN C
OUT C
AD8574
1
14
7
8
PIN CONFIGURATIONS
8-Lead SOIC
(R Suffix)
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|---|---|
| AD8574AR | Zero-Drift, Single-Supply, Rail-to-Rail Input/Output Operational Amplifiers |
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| AD8571ARM | Zero-Drift, Single-Supply, Rail-to-Rail Input/Output Operational Amplifiers |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD8574AR | 功能描述:IC OPAMP CHOPPER R-R QUAD 14SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:2,500 系列:Excalibur™ 放大器類型:J-FET 電路數:1 輸出類型:- 轉換速率:45 V/µs 增益帶寬積:10MHz -3db帶寬:- 電流 - 輸入偏壓:20pA 電壓 - 輸入偏移:490µV 電流 - 電源:1.7mA 電流 - 輸出 / 通道:48mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 38 V，±2.25 V ~ 19 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） 供應商設備封裝:8-SOIC 包裝:帶卷 (TR) |
| AD8574AR-REEL | 功能描述:IC OPAMP CHOPPER R-R QUAD 14SOIC RoHS:否 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: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 |
| AD8574AR-REEL7 | 功能描述:IC OPAMP CHOPPER R-R QUAD 14SOIC RoHS:否 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: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 |
| AD8574ARU | 功能描述:IC OPAMP CHOPPER R-R 14TSSOP RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:2,500 系列:- 放大器類型:通用 電路數:1 輸出類型:滿擺幅 轉換速率: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） 供應商設備封裝:8-SO 包裝:帶卷 (TR) |
| AD8574ARU-REEL | 功能描述:IC OPAMP CHOPPER R-R 14TSSOP RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:2,500 系列:- 放大器類型:通用 電路數:1 輸出類型:滿擺幅 轉換速率: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） 供應商設備封裝:8-SO 包裝:帶卷 (TR) |
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