參數(shù)資料
型號(hào): OPA4227UA2K5
廠商: Texas Instruments, Inc.
英文描述: High Precision, Low Noise OPERATIONAL AMPLIFIERS
中文描述: 高精度,低噪聲運(yùn)算放大器
文件頁數(shù): 16/27頁
文件大?。?/td> 847K
代理商: OPA4227UA2K5
OPA227, 2227, 4227
OPA228, 2228, 4228
16
SBOS110A
www.ti.com
FIGURE 15. Long-Wavelength Infrared Detector Amplifier.
FIGURE 16. High Performance Synchronous Demodulator.
V
OUT
V
IN
OPA227
68nF
10nF
33nF
330pF
2.2nF
OPA227
1.43k
1.91k
2.21k
1.43k
1.1k
1.65k
1.1k
f
N
= 13.86kHz
Q = 1.186
f
N
= 20.33kHz
Q = 4.519
f = 7.2kHz
dc Gain = 1
Output
NOTE: Use metal film resistors
and plastic film capacitor. Circuit
must be well shielded to achieve
low noise.
Responsivity
2.5 x 10
4
V/W
Output Noise
30
μ
Vrms, 0.1Hz to 10Hz
Dexter 1M
Thermopile
Detector
100
100k
OPA227
2
3
6
0.1
μ
F
Output
4.99k
D2
D1
DG188
TTL
In
S1
S2
9.76k
500
Balance
Trim
OPA227
2
3
1
8
6
20pF
10k
1k
4.75k
Offset
Trim
4.75k
+V
CC
Input
TTL INPUT
1
0
GAIN
+1
1
FIGURE 14. Three-Pole, 20kHz Low Pass, 0.5dB Chebyshev Filter.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
OPA4227UA2K5G4 制造商:TI 制造商全稱:Texas Instruments 功能描述:High Precision, Low Noise OPERATIONAL AMPLIFIERS
OPA4227UAG4 功能描述:運(yùn)算放大器 - 運(yùn)放 High Prec Low Noise Oper Amplifier 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
OPA4228 制造商:TI 制造商全稱:Texas Instruments 功能描述:High Precision, Low Noise OPERATIONAL AMPLIFIERS
OPA4228PA 功能描述:運(yùn)算放大器 - 運(yùn)放 High Prec Low Noise Oper Amplifier 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
OPA4228PA 制造商:BURR-BROWN 功能描述:OP AMP QUAD LOW NOISE 4228 DIP14