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參數(shù)資料
| 型號： | AD706 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Dual Picoampere Input Current Bipolar Op Amp(輸入微微安培電流雙極性雙運(yùn)放) |
| 中文描述： | 雙Picoampere輸入電流雙極運(yùn)算放大器（輸入微微安培電流雙極性雙運(yùn)放） |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 251K |
| 代理商： | AD706 |
CONNE CT ION DIAGRAM
Plastic Mini-DIP (N)
Cerdip (Q) and
Plastic SOIC (R) Packages
TOP VIEW
OUTPUT
–IN
1
IN
V
1
OUTPUT
–IN
1
IN
V–
AD706
1
2
3
4
8
7
6
5
AMPLIFIER 1
AMPLIFIER 2
a
AD706
FEATURE
HIGH DC PRECISION
50
m
V max Offset Voltage
0.6
m
V/
8
C max Offset Drift
110 pA max Input Bias Current
LOW NOISE
0.5
m
V p-p Voltage Noise, 0.1 Hz to 10 Hz
LOW POWER
750
m
A Supply Current
Available in 8-Lead Plastic Mini-DlP, Hermetic Cerdip
and Surface Mount (SOIC) Packages
Available in Tape and Reel in Accordance with
EIA-481A Standard
Single Version: AD705, Quad Version: AD704
PRIMARY APPLICATIONS
Low Frequency Active Filters
Precision Instrumentation
Precision Integrators
PRODUCT DE SCRIPT ION
T he AD706 is a dual, low power, bipolar op amp that has the
low input bias current of a BiFET amplifier, but which offers a
significantly lower I
B
drift over temperature. It utilizes superbeta
bipolar input transistors to achieve picoampere input bias cur-
rent levels (similar to FET input amplifiers at room tempera-
ture), while its I
B
typically only increases by 5
×
at 125
°
C (unlike
a BiFET amp, for which I
B
doubles every 10
°
C for a 1000
×
increase at 125
°
C). T he AD706 also achieves the microvolt
offset voltage and low noise characteristics of a precision bipolar
input amplifier.
Since it has only 1/20 the input bias current of an OP07, the
AD706 does not require the commonly used “balancing” resis-
tor. Furthermore, the current noise is 1/5 that of the OP07,
which makes this amplifier usable with much higher source
impedances. At 1/6 the supply current (per amplifier) of the
OP07, the AD706 is better suited for today’s higher density
boards.
T he AD706 is an excellent choice for use in low frequency
active filters in 12- and 14-bit data acquisition systems, in preci-
sion instrumentation and as a high quality integrator. T he
AD706 is internally compensated for unity gain and is available
in five performance grades. T he AD706J and AD706K are rated
over the commercial temperature range of 0
°
C to +70
°
C. T he
AD706A and AD706B are rated over the industrial temperature
range of –40
°
C to +85
°
C.
T he AD706 is offered in three varieties of an 8-lead package:
plastic mini-DIP, hermetic cerdip and surface mount (SOIC).
“J” grade chips are also available.
PRODUCT HIGHLIGHT S
1. T he AD706 is a dual low drift op amp that offers BiFET
level input bias currents, yet has the low I
B
drift of a bipolar
amplifier. It may be used in circuits using dual op amps such
as the LT 1024.
2. T he AD706 provides both low drift and high dc precision.
3. T he AD706 can be used in applications where a chopper
amplifier would normally be required but without the
chopper’s inherent noise.
Dual Picoampere Input
Current Bipolar Op Amp
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., 1997
REV. C
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.
TEMPERATURE –
8
C
100
0.01
T
B
1
0.1
10
–55
+125
+25
+110
TYPICAL JFET AMP
AD706
Figure 1. Input Bias Current vs. Temperature
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD706_02 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Dual Picoampere Input Current Bipolar Op Amp |
| AD706_03 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Dual Picoampere Input Current Bipolar Op Amp |
| AD706-00E | 功能描述:SENSOR MAG SW 80G 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:全極開關(guān) 技術(shù):霍爾效應(yīng) 極化:任意一種 感應(yīng)范圍:±10mT 跳閘，±6.5mT 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 |
| AD706-02E | 功能描述:SENSOR MAG SW 80G 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:全極開關(guān) 技術(shù):霍爾效應(yīng) 極化:任意一種 感應(yīng)范圍:±10mT 跳閘，±6.5mT 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 |
| AD706AN | 制造商:AD 制造商全稱:Analog Devices 功能描述:Dual Picoampere Input Current Bipolar Op Amp |
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