Figure 34 relies upon low TCVOS of the OP77 and noise
參數(shù)資料
型號: OP77FZ
廠商: Analog Devices Inc
文件頁數(shù): 5/16頁
文件大?。?/td> 0K
描述: IC OPAMP GP 600KHZ PREC 8CDIP
產(chǎn)品變化通告: OP77 Vos Trims Redesign Change 03/Mar/2011
標準包裝: 48
放大器類型: 通用
電路數(shù): 1
轉(zhuǎn)換速率: 0.3 V/µs
增益帶寬積: 600kHz
電流 - 輸入偏壓: 1.2nA
電壓 - 輸入偏移: 20µV
電壓 - 電源,單路/雙路(±): ±3 V ~ 18 V
工作溫度: -25°C ~ 85°C
安裝類型: 通孔
封裝/外殼: 8-CDIP(0.300",7.62mm)
供應商設備封裝: 8-CERDIP
包裝: 管件
產(chǎn)品目錄頁面: 774 (CN2011-ZH PDF)
OP77
Rev. E | Page 13 of 16
Figure 34 relies upon low TCVOS of the OP77 and noise
combined with very high CMRR to provide precision buffering
of the averaged REF-01 voltage outputs.
In Figure 35, CH must be of polystyrene, Teflon*, or
polyethylene to minimize dielectric absorption and leakage.
The droop rate is determined by the size of CH and the bias
current of the AD820.
*Teflon is a registered trademark of the Dupont Company
0
032
0-
0
37
+15V
–15V
1k
1k
1k
1N4148
7
6
4
2
3
0.1F
2N930
CH
VIN
RESET
+15V
VOUT
–15V
7
6
4
2
3
0.1F
AD820
OP77
Figure 35. Precision Positive Peak Detector
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