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ADS58B18 Datasheet(PDF) 2 Page - Texas Instruments |
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ADS58B18 Datasheet(HTML) 2 Page - Texas Instruments |
2 / 61 page ADS4128 SBAS578 – MAY 2012 www.ti.com This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications. ORDERING INFORMATION(1) SPECIFIED PACKAGE- PACKAGE TEMPERATURE LEAD AND PACKAGE ORDERING TRANSPORT MEDIA, PRODUCT LEAD DESIGNATOR RANGE ECO PLAN (2) BALL FINISH MARKING NUMBER QUANTITY ADS4128IRGZR Tape and Reel, 2500 GREEN (RoHS, no ADS4128 QFN-48 RGZ –40°C to +85°C Cu and NiPdAu AZ4128 Sb/Br) ADS4128IRGZT Tape and Reel, 250 (1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or visit the device product folder at www.ti.com. (2) Eco Plan is the planned eco-friendly classification. Green (RoHS, no Sb/Br): TI defines Green to mean Pb-Free (RoHS compatible) and free of Bromine- (Br) and Antimony- (Sb) based flame retardants. Refer to the Quality and Lead-Free (Pb-Free) Data web site for more information. The ADS4128 is pin-compatible with the previous generation ADS6149 family; this architecture enables easy migration. However, there are some important differences between the generations, as summarized in Table 1. Table 1. MIGRATING FROM THE ADS6149 FAMILY ADS6149 FAMILY ADS4149 FAMILY (Includes ADS4128) PINS Pin 21 is NC (not connected) Pin 21 is NC (not connected) Pin 23 is MODE Pin 23 is RESERVED in the ADS4128. It is reserved as a digital control pin for an (as yet) undefined function in the next-generation ADC series. SUPPLY AVDD is 3.3 V AVDD is 1.8 V DRVDD is 1.8 V No change INPUT COMMON-MODE VOLTAGE VCM is 1.5 V VCM is 0.95 V SERIAL INTERFACE Protocol: 8-bit register address and 8-bit register No change in protocol data New serial register map EXTERNAL REFERENCE MODE Supported Not supported ADS61B49 FAMILY ADS41B49 AND ADS58B18 FAMILY PINS Pin 21 is NC (not connected) Pin 21 is 3.3-V AVDD_BUF (supply for the analog input buffers) Pin 23 is a digital control pin for the RESERVED function. Pin 23 is MODE Pin 23 functions as SNR Boost enable (B18 only). SUPPLY AVDD is 3.3 V AVDD is 1.8 V, AVDD_BUF is 3.3 V DRVDD is 1.8 V No change INPUT COMMON-MODE VOLTAGE VCM is 1.5 V VCM is 1.7 V SERIAL INTERFACE Protocol: 8-bit register address and 8-bit register No change in protocol data New serial register map EXTERNAL REFERENCE MODE Supported Not supported 2 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated Product Folder Link(s): ADS4128 |
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