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ADS8484IRGZTG4 bảng dữ liệu(PDF) 1 Page - Texas Instruments |
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ADS8484IRGZTG4 bảng dữ liệu(HTML) 1 Page - Texas Instruments |
1 / 32 page BurrBrown Products from Texas Instruments 1 FEATURES APPLICATIONS DESCRIPTION CDAC _ + Output Latches and 3-State Drivers BYTE 16-/8-Bit ParallelDA TA OutputBus SAR Conversion and ControlLogic Comparator Clock +IN −IN REFIN CONVST BUSY CS RD 4.096-V Internal Reference REFOUT BUS18/16 ADS8484 SLAS511 – NOVEMBER 2007 18-BIT, 1.25-MSPS, PSEUDO-BIPOLAR, FULLY DIFFERENTIAL INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE, REFERENCE • 48-Pin 7x7 QFN Package • 1.25-MHz Sample Rate • ±1.5 LSB Typ, ±2.5 LSB Max INL • Medical Instruments • +0.8/-0.6 LSB Typ, +1.5/-1 LSB Max DNL • Optical Networking • 18-Bit NMC Ensured Over Temperature • Transducer Interface • ±0.5-mV Offset Error • High Accuracy Data Acquisition Systems • ±0.05-PPM/°C Offset Error Drift • Magnetometers • ±0.1 %FSR Gain Error • ±0.5-PPM/°C Gain Error Drift • 98.5dB SNR, –120db THD, 121dB SFDR The ADS8484 is an 18-bit, 1.25-MSPS A/C converter with an internal 4.096-V reference and a • Zero Latency pseudo-bipolar, fully differential input. The device • Low Power: 235 mW Typ at 1.25 MSPS includes a 18-bit capacitor-based SAR A/D converter • Pseudo-Bipolar Fully Differential Input Range: with inherent sample and hold. The ADS8484 offers a Vref to –Vref full 18-bit interface, a 16-bit option where data is read using two read cycles, or an 8-bit bus option using • Onboard Reference with 6 PPM/°C Drift three read cycles. • Onboard Reference Buffer The ADS8484 is available in a 48-lead 7x7 QFN • High-Speed Parallel Interface package and is characterized over the industrial • Wide Digital Supply 2.7 V to 5.25 V –40 °C to 85°C temperature range. • 8-/16-/18-Bit Bus Transfer HIGH SPEED SAR CONVERTER FAMILY TYPE/SPEED 500 kHz ~600 kHz 750 kHz 1 MHz 1.25 MHz 2 MHz 3 MHz 4MHz ADS8383 ADS8381 ADS8481 18-Bit Pseudo-Diff ADS8380 (s) 18-Bit Pseudo-Bipolar, Fully Diff ADS8382 (s) ADS8482 ADS8484 ADS8327 ADS8370 (s) ADS8371 ADS8471 ADS8401 ADS8411 16-Bit Pseudo-Diff ADS8328 ADS8472 (s) ADS8405 ADS8410 (s) ADS8472 ADS8402 ADS8412 ADS8422 16-Bit Pseudo-Bipolar, Fully Diff ADS8406 ADS8413 (s) 14-Bit Pseudo-Diff ADS7890 (s) ADS7891 12-Bit Pseudo-Diff ADS7886 ADS7881 1 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. PRODUCTION DATA information is current as of publication date. Copyright © 2007, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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