參數(shù)資料
型號(hào): ICL7621BCSA+
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 17/26頁(yè)
文件大?。?/td> 0K
描述: IC OPAMP DUAL LP CMOS 8-SOIC
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 100
放大器類(lèi)型: 通用
電路數(shù): 2
輸出類(lèi)型: 滿擺幅
轉(zhuǎn)換速率: 0.16 V/µs
增益帶寬積: 480kHz
電流 - 輸入偏壓: 1pA
電壓 - 輸入偏移: 5000µV
電流 - 電源: 100µA
電壓 - 電源,單路/雙路(±): 2 V ~ 16 V,±1 V ~ 8 V
工作溫度: 0°C ~ 70°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SOIC
包裝: 管件
產(chǎn)品目錄頁(yè)面: 1385 (CN2011-ZH PDF)
ICL761X–ICL764X
Single/Dual/Triple/Quad
Operational Amplifiers
24
______________________________________________________________________________________
Figure 9. Low Droop Rate Sample and Hold—S2 improves
accuracy and acquisition time by including the voltage drop
across S1 inside the feedback loop. R1 closes the feedback
loop of A1 during the hold phase. The droop rate is [IBIAS(AZ)
+ ILEAK(S1) + ILEAK(S2)]/CHOLD.
ICL7622
A1
IH5141
12
ICL7622
A2
12
S/H
CONTROL
INPUT
VIN
VOUT
CHOLD
100k
R1
S1
S2
Figure 10. Long-Time Constant Integrator—With RIN = 1011,
the time constant of this integrator is 100,000s. Since the input
voltage is converted to a current by RIN, the input voltage can
far exceed the power-supply range.
-
+
CINT
RIN
VIN
VOUT
1
F
Figure 11. Pico Ammeter—The response time of this curcuit is
RFB x CFB, where CFB is the stray capacitance between the
output and the inverting terminal of the amplifier.
Figure 12. 60Hz Twin “T“ Notch Filter—The low 1pA bias cur-
rent of the ICL7611 allows use of small 540pF and 270pF
capacitors, even with a notch frequency of 60Hz. The 60Hz
rejection is approximately 40dB.
+
-
CURRENT
SOURCE
CFB
RFB - 1011
VO = 100mV/pA
+
-
OUTPUT
VIN
ICL7611
10M
10M
270pF
540pF
5M
CINT
LONG TIME CONSTANT INTEGRATOR
(Detailed Circuit Diagram — Figure 10)
-
+
RIN
VOUT
VIN
Typical Operating Circuit
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ICL7621BCSA+ 功能描述:運(yùn)算放大器 - 運(yùn)放 Dual CMOS Low Power RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比(最小值):63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流(最大值):10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel
ICL7621BCSA+T 功能描述:運(yùn)算放大器 - 運(yùn)放 Dual CMOS Low Power RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比(最小值):63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流(最大值):10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel
ICL7621BCSA-T 功能描述:運(yùn)算放大器 - 運(yùn)放 RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比(最小值):63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流(最大值):10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel
ICL7621BCSA-TG074 制造商:Rochester Electronics LLC 功能描述:
ICL7621BCSD 制造商:MAXIM 制造商全稱(chēng):Maxim Integrated Products 功能描述:Single/Dual/Triple/Quad Operational Amplifiers