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參數(shù)資料
| 型號： | OP497GSZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 3/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC OPAMP GP 500KHZ QUAD 16SOIC |
| 標(biāo)準(zhǔn)包裝： | 47 |
| 放大器類型： | 通用 |
| 電路數(shù)： | 4 |
| 轉(zhuǎn)換速率： | 0.15 V/µs |
| 增益帶寬積： | 500kHz |
| 電流 - 輸入偏壓： | 60pA |
| 電壓 - 輸入偏移： | 80µV |
| 電流 - 電源： | 525µA |
| 電流 - 輸出 / 通道： | 25mA |
| 電壓 - 電源，單路/雙路(±)： | ±2 V ~ 20 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-SOIC W |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 773 (CN2011-ZH PDF) |
OP497
Rev. E | Page 11 of 16
GUARDING AND SHIELDING
To maintain the extremely high input impedances of the OP497,
care must be taken in circuit board layout and manufacturing.
Board surfaces must be kept scrupulously clean and free of
moisture. Conformal coating is recommended to provide a
humidity barrier. Even a clean PCB can have 100 pA of leakage
currents between adjacent traces; therefore, use guard rings
around the inputs. Guard traces are operated at a voltage close
to that on the inputs, as shown in Figure 34, so that leakage
currents become minimal. In noninverting applications, connect
the guard ring to the common-mode voltage at the inverting
input. In inverting applications, both inputs remain at ground;
therefore, the guard trace should be grounded. Place guard
traces on both sides of the circuit board.
1/4
OP497
UNITY-GAIN FOLLOWER
NONINVERTING AMPLIFIER
INVERTING AMPLIFIER
B
8
A
1
PDIP
BOTTOM VIEW
–
+
–
+
–
+
1/4
OP497
1/4
OP497
00
30
9-
0
35
Figure 34. Guard Ring Layout and Connections
OPEN-LOOP GAIN LINEARITY
The OP497 has both an extremely high gain of 2000 V/mV
typical and constant gain linearity. This enhances the precision
of the OP497 and provides for very high accuracy in high
closed-loop gain applications. Figure 35 illustrates the typical
open-loop gain linearity of the OP497.
OUTPUT VOLTAGE (V)
–15
–10
–5
0
5
10
15
D
IF
F
ER
E
N
T
IA
L
I
N
PU
T
VO
L
T
A
G
E
(
1
0
V
/D
IV
)
RL = 10k
VS = ±15V
VCM = 0V
TA = 25°C
TA = 125°C
0
03
09
-03
6
Figure 35. Open-Loop Gain Linearity
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| OP497GSZ | 制造商:Analog Devices 功能描述:Operational Amplifier (Op-Amp) IC |
| OP497GSZ1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Precision Picoampere Input Current Quad Operational Amplifier |
| OP497GSZ-REEL | 功能描述:IC OPAMP GP 500KHZ QUAD 16SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 放大器類型:J-FET 電路數(shù):2 輸出類型:- 轉(zhuǎn)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(yīng)商設(shè)備封裝:8-PDIP 包裝:管件 |
| OP497GSZ-REEL1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Precision Picoampere Input Current Quad Operational Amplifier |
| OP497GY | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Operational Amplifier |
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