參數(shù)資料
型號: AD524SD
廠商: Analog Devices Inc
文件頁數(shù): 15/28頁
文件大小: 0K
描述: IC AMP INST 1MHZ PREC LN 16CDIP
標準包裝: 1
放大器類型: 儀表
電路數(shù): 1
轉換速率: 5 V/µs
增益帶寬積: 1MHz
-3db帶寬: 1MHz
電流 - 輸入偏壓: 50nA
電壓 - 輸入偏移: 100µV
電流 - 電源: 3.5mA
電壓 - 電源,單路/雙路(±): ±6 V ~ 18 V
工作溫度: -55°C ~ 125°C
安裝類型: 通孔
封裝/外殼: 16-CDIP(0.300",7.62mm)
供應商設備封裝: 16-CDIP 側面銅焊
包裝: 管件
AD524
Rev. F | Page 22 of 28
Table 5. Error Budget Analysis
Error Source
AD524C
Specifications
Calculation
Effect on
Absolute
Accuracy
at TA = 25°C
Effect on
Absolute
Accuracy
at TA = 85°C
Effect
on
Resolution
Gain Error
±0.25%
±0.25% = 2500 ppm
2500 ppm
Gain Instability
25 ppm
(25 ppm/°C)(60°C) = 1500 ppm
1500 ppm
Gain Nonlinearity
±0.003%
±0.003% = 30 ppm
30 ppm
Input Offset Voltage
±50 μV, RTI
±50 μV/20 mV = ±2500 ppm
2500 ppm
Input Offset Voltage Drift
±0.5 μV/°C
(±0.5 μV/°C)(60°C) = 30 μV
30 μV/20 mV = 1500 ppm
1500 ppm
Output Offset Voltage1
±2.0 mV
±2.0 mV/20 mV = 1000 ppm
1000 ppm
Output Offset Voltage Drift1
±25 μV/°C
(±25 μV/°C)(60°C)= 1500 μV
1500 μV/20 mV = 750 ppm
750 ppm
Bias Current-Source
Imbalance Error
±15 nA
(±15 nA)(100 Ω ) = 1.5 μV
1.5 μV/20 mV = 75 ppm
75 ppm
Bias Current-Source
Imbalance Drift
±100 pA/°C
(±100 pA/°C)(100 Ω )(60°C) = 0.6 μV
0.6 μV/20 mV = 30 ppm
30 ppm
Offset Current-Source
Imbalance Error
±10 nA
(±10 nA)(100 Ω ) = 1 μV
1 μV/20 mV = 50 ppm
50 ppm
Offset Current-Source
Imbalance Drift
±100 pA/°C
(100 pA/°C)(100 Ω )(60°C) = 0.6 μV
0.6 μV/20 mV = 30 ppm
30 ppm
Offset Current-Source
Resistance-Error
±10 nA
(10 nA)(175 Ω ) = 3.5 μV
3.5 μV/20 mV = 87.5 ppm
87.5 ppm
Offset Current-Source
Resistance-Drift
±100 pA/°C
(100 pA/°C)(175 Ω )(60°C) = 1 μV
1 μV/20 mV = 50 ppm
50 ppm
Common Mode Rejection 5 V DC
115 dB
115 dB = 1.8 ppm × 5 V = 8.8 μV
8.8 μV/20 mV = 444 ppm
444 ppm
Noise, RTI (0.1 Hz to 10 Hz)
0.3 μV p-p
0.3 μV p-p/20 mV = 15 ppm
15 ppm
Total Error
6656.5 ppm
10516.5 ppm
45 ppm
1 Output offset voltage and output offset voltage drift are given as RTI figures.
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