參數(shù)資料
型號： ADS7953SRHBT
廠商： TEXAS INSTRUMENTS INC
元件分類： ADC
英文描述： 16-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PQCC32
封裝： GREEN, PLASTIC, PQFP-32
文件頁數(shù)： 39/63頁
文件大?。?/td> 1734K
代理商： ADS7953SRHBT
SLAS605A – JUNE 2008 – REVISED JANUARY 2010
www.ti.com
REVISION HISTORY
Changes from Original (June 2008) to Revision A
Page
Added QFN information to Features ..................................................................................................................................... 1
Added QFN information to Description ................................................................................................................................. 1
Added QFN information to 12-bit ordering information ......................................................................................................... 3
Added QFN information to 10-bit ordering information ......................................................................................................... 3
Added QFN information to 8-bit ordering information ........................................................................................................... 4
Changed thermal impedance for DBT package in absolute maximum ratings .................................................................... 4
Changed thermal impedance for RHB package in absolute maximum ratings .................................................................... 4
Changed thermal impedance for RGE package in absolute maximum ratings .................................................................... 4
Added Vref = 2.5 V ± 0.1 V to ELECTRICAL CHARACTERISTICS, ADS7950/51/52/53 ..................................................... 5
Added while 2Vref
≤ +VA to full-scale input span range 2 test conditions ........................................................................... 5
Added while 2Vref
≤ +VA to full-scale input span range 2 test conditions ........................................................................... 5
Added Total unadjusted error (TUE) specification ................................................................................................................ 5
Changed reference voltage at REFP min and max values .................................................................................................. 6
Added Vref = 2.5 V ± 0.1 V to ELECTRICAL CHARACTERISTICS, ADS7950/51/52/53 ..................................................... 6
Added Note to ELECTRICAL CHARACTERISTICS, ADS7950/51/52/53 ............................................................................ 6
Added Vref = 2.5 V ± 0.1 V to ELECTRICAL CHARACTERISTICS, ADS7954/55/56/57 test conditions ............................. 6
Added while 2Vref
≤ +VA to full-scale input span range 2 test conditions ........................................................................... 6
Added while 2Vref
≤ +VA to full-scale input span range 2 test conditions ........................................................................... 6
Added Vref = 2.5 V ± 0.1 V to ELECTRICAL CHARACTERISTICS, ADS7954/55/56/57 test conditions ............................. 7
Changed Vref reference voltage at REFP min value from 2.49 V to 2.0 V ........................................................................... 7
Changed Vref reference voltage at REFP max value from 2.51 V to 3.0 V .......................................................................... 7
Added Vref = 2.5 V ± 0.1 V to ELECTRICAL CHARACTERISTICS, ADS7954/55/56/57 test conditions ............................. 8
Added Vref = 2.5 V ± 0.1 V to ELECTRICAL CHARACTERISTICS, ADS7958/59/60/61 test conditions ............................. 8
Added while 2Vref
≤ +VA to full-scale input span range 2 test conditions ........................................................................... 8
Added while 2Vref
≤ +VA to full-scale input span range 2 test conditions ........................................................................... 8
Changed Vref reference voltage at REFP min value from 2.49 V to 2.0 V ........................................................................... 9
Changed Vref reference voltage at REFP max value from 2.51 V to 3.0 V .......................................................................... 9
Added Vref = 2.5 V ± 0.1 V to ELECTRICAL CHARACTERISTICS, ADS7958/59/60/61 test conditions ............................. 9
Changed tsu1 values from max to min ................................................................................................................................. 10
Changed tsu2 values from max to min ................................................................................................................................. 10
Changed VEE to AGND and VCC to +VA on 38-pin TSSOP pinout ................................................................................. 11
Added QFN pinout .............................................................................................................................................................. 11
Added QFN pinout .............................................................................................................................................................. 12
Added QFN pinout .............................................................................................................................................................. 12
Added QFN pinout .............................................................................................................................................................. 12
Added terminal functions for QFN packages ...................................................................................................................... 14
Changed ADS7950/4/8 QFN package MXO pin from 7 to 3 .............................................................................................. 14
Added TOTAL UNADJUSTED ERROR (TUE Max) graph ................................................................................................. 21
Added TOTAL UNADJUSTED ERROR (TUE Min) graph .................................................................................................. 21
Changed GPIO pins description ......................................................................................................................................... 23
Added device powerdown through GPIO in the case of the TSSOP packaged devices ................................................... 25
Added note to Table 1 ........................................................................................................................................................ 29
Added note to Table 1 ........................................................................................................................................................ 29
44
Copyright 2008–2010, Texas Instruments Incorporated
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相關代理商/技術參數(shù)
參數(shù)描述
ADS7954 制造商:TI 制造商全稱:Texas Instruments 功能描述:12/10/8-Bit, 1 MSPS, 16/12/8/4-Channel, Single-Ended, MicroPower, Serial Interface ADCs
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