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參數(shù)資料
| 型號(hào)： | AD704JR-REEL |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Quad Picoampere Input Current Bipolar Op Amp |
| 中文描述： | 四Picoampere輸入電流雙極運(yùn)算放大器 |
| 文件頁(yè)數(shù)： | 8/8頁(yè) |
| 文件大?。?/td> | 397K |
| 代理商： | AD704JR-REEL |
AD704
REV. A
–8–
C
P
14-Pin Cerdip (Q) Package
16-Pin Plastic SO (R) Package
14-Pin Plastic DIP (N) Package
20-Terminal LCCC (E) Package
0.358 (9.09)
0.342 (8.69)
NO. 1 PIN
INDEX
0.040 (1.02)
x 45
°
REF
3 PLCS
0.020 (0.51)
x 45
°
REF
0.050
(1.27)
BSC
0.100 (2.54)
0.064 (1.63)
0.028 (0.71)
0.022 (0.56)
OUTLINE DIMENSIONS
Dimensions shown in inches and (mm).
Table 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
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.
The 1 Hz, 4-pole active filter offers dc precision with a mini-
mum of components and cost. The low current noise, I
OS
, and
I
B
allow the use of 1 M
resistors without sacrificing the
1
μ
V/
°
C drift of the AD704. This means lower capacitor values
may be used, reducing cost and space. Furthermore, since the
AD704’s I
B
is as low as its I
OS
, over most of the MIL tempera-
ture range, most applications do not require the use of the
normal balancing resistor (with its stability capacitor). Adding the
optional balancing resistor enhances performance at high
temperatures, as shown in Figure 26. Table II gives capacitor
values for several common low pass responses.
180
120
60
0
–60
–120
–180
–40
0
+40
+80
o
+120
O
O
μ
V
WITHOUT OPTIONAL
BALANCE RESISTOR, R3
TEMPERATURE – C
WITH OPTIONAL
BALANCE RESISTOR, R3
Figure 26. V
OS
vs. Temperature Performance of the 1 Hz
Filter Circuit
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| AD704JRZ-16 | 功能描述:IC OPAMP GP QUAD PREC LN 16SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:- 轉(zhuǎn)換速率:0.6 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:45nA 電壓 - 輸入偏移:2000µV 電流 - 電源:1.4mA 電流 - 輸出 / 通道:40mA 電壓 - 電源，單路/雙路(±):3 V ~ 32 V，±1.5 V ~ 16 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) 其它名稱:LM324ADTBR2G-NDLM324ADTBR2GOSTR |
| AD704JRZ-16-REEL | 功能描述:IC OPAMP GP QUAD PREC LN 16SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:- 轉(zhuǎn)換速率:0.6 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:45nA 電壓 - 輸入偏移:2000µV 電流 - 電源:1.4mA 電流 - 輸出 / 通道:40mA 電壓 - 電源，單路/雙路(±):3 V ~ 32 V，±1.5 V ~ 16 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) 其它名稱:LM324ADTBR2G-NDLM324ADTBR2GOSTR |
| AD704KN | 制造商:Analog Devices 功能描述: |
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| AD704TQ | 制造商:AD 制造商全稱:Analog Devices 功能描述:Quad Picoampere Input Current Bipolar Op Amp |
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