Electronic Components Datasheet Search |
|
ADS7891 Datasheet(PDF) 1 Page - Burr-Brown (TI) |
|
|
ADS7891 Datasheet(HTML) 1 Page - Burr-Brown (TI) |
1 / 26 page ADS7891 SLAS410 − DECEMBER 2003 14BIT, 3MSPS LOW POWER SAR ANALOGTODIGITAL CONVERTER FEATURES D 3 MHz Sample Rate, 14-Bit Resolution D Zero Latency D Unipolar, Pseudo Differential Input, Range: − 0 V to 2.5 V D High Speed Parallel Interface D 78 dB SNR and 88.5 dB THD at 3 MSPS D Power Dissipation 85 mW at 3 MSPS D Nap Mode (10 mW Power Dissipation) D Power Down (10 mW) D Internal Reference D Internal Reference Buffer D 8-/14-Bit Bus Transfer D 48-Pin TQFP Package APPLICATIONS D Optical Networking (DWDM, MEMS Based Switching) D Spectrum Analyzers D High Speed Data Acquisition Systems D High Speed Close-Loop Systems D Telecommunication D Ultra-Sound Detection DESCRIPTION The ADS7891 is a 14-bit 3-MSPS A-to-D converter with 2.5-V internal reference. The device includes a capacitor based SAR A/D converter with inherent sample and hold. The device offers a 14-bit parallel interface with an additional byte mode that provides easy interface with 8-bit processors. The device has a pseudo-differential input stage. The −IN swing of ±200 mV is useful to compensate for ground voltage mismatch between the ADC and sensor and also to cancel common-mode noise. With nap mode enabled, the device operates at lower power when used at lower conversion rates. The device is available in a 48-pin TQFP package. _ + SAR Output Latches and 3-State Drivers BYTE 14/8-Bit Parallel Data Output Bus Conversion and Control Logic CONVST BUSY CS RD A_PWD PWD/RST CDAC Comparator CLOCK 2.5 V Internal Reference +IN −IN REFIN REFOUT PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. Copyright 2003, Texas Instruments Incorporated |
Similar Part No. - ADS7891 |
|
Similar Description - ADS7891 |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.COM |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Datasheet Upload | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |