新聞中心

EEPW首頁 > 模擬技術(shù) > 設(shè)計(jì)應(yīng)用 > 選擇合適的系列電壓基準(zhǔn)源的絕對(duì)精度電壓輸出

選擇合適的系列電壓基準(zhǔn)源的絕對(duì)精度電壓輸出

作者： 時(shí)間：2012-01-30 來源：網(wǎng)絡(luò) 收藏
GHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-TOP: 0px">
Parameter
Design A
Design B
Design C
Design D
Main Design Objectives
Low cost, loose accuracy
High absolute accuracy and precision
One-time calibrated, low drift
Low voltage, battery powered, moderate accuracy
Example Application
Consumer audio device
Lab instrument
Digital offset and gain adjustment
Portable instrument
DAC
MAX5304,
10-bit single
MAX5170,
14-bit single
MAX5154,
12-bit dual
MAX5176,
12-bit single
DAC Output
Force/sense gain set to 1
Fixed gain = 1.638
Fixed gain = 2
Fixed gain = 1.638
Voltage Reference
MAX6102
MAX6325
MAX6162
A grade
MAX6190
A grade
Reference Voltage
2.5V
2.5V
2.048V
1.25V
Reference Initial Accuracy
0.4% or 4000ppm
Not critical due to gain calibration
Not critical due to gain calibration
0.16% or 1600ppm
Selected Reference Tempco (maximum)
75ppm°C
1ppm/°C
5ppm/°C
5ppm/°C
Reference-Load Regulation
0.9mV/mA
6ppm/mA
0.9mV/mA
0.5μV/μA
Temperature Range
0°C to 70°C (commercial)

關(guān)鍵詞： 電壓 基準(zhǔn)源 絕對(duì)精度 電壓輸出

評(píng)論


相關(guān)推薦

技術(shù)專區(qū)

關(guān)閉