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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)： | 8/8頁 |
| 文件大小： | 251K |
| 代理商： | AD706 |
AD706
REV. C
–8–
C
P
A 1 Hz, 4-Pole, Active Filter
Figure 25 shows the AD706 in an active filter application. An
important characteristic of the AD706 is that both the input bias
current, input offset current and their drift remain low over
most of the op amp’s rated temperature range. T herefore, for
most applications, there is no need to use the normal balancing
resistor. Adding the balancing resistor enhances performance at
high temperatures, as shown by Figure 26.
T able II. 1 Hz, 4-Pole, Low Pass Filter Recommended Component Values
Section 1
Frequency
(Hz)
Section 2
Frequency
(Hz)
Desired Low
Pass Response
C1
(
m
F)
C2
(
m
F)
C3
(
m
F)
C4
(
m
F)
Q
Q
Bessel
Butterworth
0.1 dB Chebychev
0.2 dB Chebychev
0.5 dB Chebychev
1.0 dB Chebychev
1.43
1.00
0.648
0.603
0.540
0.492
0.522
0.541
0.619
0.646
0.705
0.785
1.60
1.00
0.948
0.941
0.932
0.925
0.806
1.31
2.18
2.44
2.94
3.56
0.116
0.172
0.304
0.341
0.416
0.508
0.107
0.147
0.198
0.204
0.209
0.206
0.160
0.416
0.733
0.823
1.00
1.23
0.0616
0.0609
0.0385
0.0347
0.0290
0.0242
NOT E
Specified Values are for a –3 dB point of 1.0 Hz. For other frequencies simply scale capacitors C1 through C4 directly, i.e.: for 3 Hz
Bessel response, C1 = 0.0387
μ
F, C2 = 0.0357
μ
F, C3 = 0.0533
μ
F, C4 = 0.0205
μ
F.
OUT LINE DIME NSIONS
Dimensions shown in inches and (mm).
C erdip
(Q-8)
OUTPUT
*WITHOUT THE NETWORK,
PINS 1 & 2, AND 6 & 7 OF THE
AD706 ARE TIED TOGETHER.
CAPACITORS C1 & C2
ARE SOUTHERN ELECTRONICS
MPCC, POLYCARB
6
5%, 50 VOLT
+
–
C4
C3
0.1
m
F
+V
S
OPTIONAL BALANCE
RESISTOR NETWORKS*
1/2
AD706
AD706
–
INPUT
C1
C2
+
R1
1M
V
0.1
m
F
R2
1M
V
R3
1M
V
R4
1M
V
–V
S
R5
2M
V
C5
0.01
m
F
3
2
4
1
5
6
7
8
R6
2M
V
C6
0.01
m
F
Figure 25. A 1 Hz, 4-Pole Active Filter
TEMPERATURE –
8
C
180
–40
0
+40
60
120
0
–60
–120
–180
O
m
V
+80
+120
WITHOUT OPTIONAL
BALANCE RESISTOR, R3
WITH OPTIONAL BALANCE
RESISTOR, R3
Figure 26. V
OS
vs. Temperature Performance
of the 1 Hz Filter
Plastic Mini-DIP
(N-8)
SOIC
(R-8)
8
1
4
5
0.310 (7.87)
0.220 (5.59)
PIN 1
0.005 (0.13)
MIN
0.055 (1.4)
MAX
SEATING
0.023 (0.58)
0.014 (0.36)
0.200 (5.08)
MAX
0.150
0.070 (1.78)
0.030 (0.76)
0.200 (5.08)
0.125 (3.18)
0.100
BSC
0.060 (1.52)
0.015 (0.38)
0.405 (10.29)
MAX
15
°
0
°
0.320 (8.13)
0.290 (7.37)
0.015 (0.38)
0.008 (0.20)
8
1
4
5
0.430 (10.92)
0.348 (8.84)
0.280 (7.11)
0.240 (6.10)
PIN 1
SEATING
0.022 (0.558)
0.014 (0.356)
0.060 (1.52)
0.015 (0.38)
0.210 (5.33)
MAX
0.130
0.070 (1.77)
0.045 (1.15)
BSC
0.160 (4.06)
0.115 (2.93)
0.325 (8.25)
0.300 (7.62)
0.015 (0.381)
0.008 (0.204)
0.195 (4.95)
0.115 (2.93)
8
5
4
1
0.1968 (5.00)
0.1890 (4.80)
0.1574 (4.00)
0.1497 (3.80)
0.2440 (6.20)
0.2284 (5.80)
PIN 1
SEATING
PLANE
0.0098 (0.25)
0.0040 (0.10)
0.0192 (0.49)
0.0138 (0.35)
0.102 (2.59)
0.094 (2.39)
(1.27)
BSC
0.0098 (0.25)
0.0075 (0.19)
0.0500 (1.27)
0.0160 (0.41)
8
°
0
°
0.0196 (0.50)
°
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| 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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