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參數(shù)資料
| 型號： | 9042RPFS |
| 廠商： | MAXWELL TECHNOLOGIES |
| 元件分類： | ADC |
| 英文描述： | 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, DFP28 |
| 封裝： | RAD PAK, LDFP-28 |
| 文件頁數(shù)： | 13/26頁 |
| 文件大?。?/td> | 521K |
| 代理商： | 9042RPFS |
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All data sheets are subject to change without notice
2002 Maxwell Technologies
All rights reserved.
12-Bit, 41 MSPS A/D Converter
9042
08.02.02 REV 4
As a final alternative, the ECL gate may be replaced by an ECL comparator. The input to the comparator could then be
a logic signal or a sine signal.
Figure 25. ECL Comparator for Encode
Care should be taken not to overdrive the encode input pin when ac coupled. Although the input circuitry is electrically
protected from over or under voltage conditions, improper circuit operations may result from overdriving the encode
input pins.
Driving the Analog Input
Because the 9042 operates off of a single +5 V supply, the analog input range is offset from ground by 2.4 volts. The
analog input, AIN, is an operational amplifier configured in an inverting mode (ref. Equivalent Circuits: Analog Input
Stage). VOFFSET is the noninverting input which is normally tied through a 50 ohm resistor to VREF (ref. Equivalent
Circuits: 2.4 V Reference). Since the operational amplifier forces its inputs to the same voltage, the inverting input is
also at 2.4 volts. Therefore, the analog input has a Thevenin equivalent of 250 ohms in series with a 2.4 volt source. It
is strongly recommended that the 9042’s internal voltage reference be used for the amplifier offset; this reference is
designed to track internal circuit shifts over temperature.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 9042RPFB | 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, DFP28 |
| 9043-1523-519 | CABLE TERMINATED, MALE, SMA CONNECTOR, CRIMP, PLUG |
| 9044-9513-002 | FEMALE, SMA CONNECTOR, JACK |
| 905-400-5002 | 100/140 um, MULTI MODE, SIMPLEX SMA CONNECTOR |
| 905-400-5007 | 100/140 um, MULTI MODE, SIMPLEX SMA CONNECTOR |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 904-2-T43-1-MTF-LR0-0-0-0-0A03 | 制造商:MPE-Garry GmbH 功能描述: |
| 9043 | 功能描述:電路板硬件 - PCB FEMALE SUPPORT .500" NYLON UL 94V-0 RoHS:否 制造商:Harwin 類型:Shield Clip 長度:9.4 mm 螺紋大小: 外徑: 材料:Beryllium Copper 電鍍:Tin |
| 90-43 | 制造商:Coilcraft Inc 功能描述: |
| 904-300 | 功能描述:電路板硬件 - PCB BIVAR NYLON TUBULAR SPACER RoHS:否 制造商:Harwin 類型:Shield Clip 長度:9.4 mm 螺紋大小: 外徑: 材料:Beryllium Copper 電鍍:Tin |
| 90430-1 | 功能描述:折皺器 CRIMP TOOL RoHS:否 制造商:Hirose Connector 類型: 描述/功能:Cable and Shield Crimper |
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