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ADS7850 Dataheets PDF



Part Number ADS7850
Manufacturers Texas Instruments
Logo Texas Instruments
Description Analog-to-Digital Converters
Datasheet ADS7850 DatasheetADS7850 Datasheet (PDF)

Product Folder Order Now Technical Documents Tools & Software Support & Community ADS8350, ADS7850, ADS7250 SBAS580D – MAY 2013 – REVISED MARCH 2018 ADSxx50 Dual, 750-kSPS, 16-, 14-, and 12-Bit, Simultaneous-Sampling, Analog-to-Digital Converters 1 Features •1 16-, 14-, and 12-Bit Pin-Compatible Family • Simultaneously Samples Two Channels • Pseudo-Differential Analog Inputs • Fast Throughput: 750 kSPS • Excellent DC Performance: – Linearity: – ADS8350: 16-Bit NMC DNL, ±2.5 LSB, Max INL – .

  ADS7850   ADS7850


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Product Folder Order Now Technical Documents Tools & Software Support & Community ADS8350, ADS7850, ADS7250 SBAS580D – MAY 2013 – REVISED MARCH 2018 ADSxx50 Dual, 750-kSPS, 16-, 14-, and 12-Bit, Simultaneous-Sampling, Analog-to-Digital Converters 1 Features •1 16-, 14-, and 12-Bit Pin-Compatible Family • Simultaneously Samples Two Channels • Pseudo-Differential Analog Inputs • Fast Throughput: 750 kSPS • Excellent DC Performance: – Linearity: – ADS8350: 16-Bit NMC DNL, ±2.5 LSB, Max INL – ADS7850: 14-Bit NMC DNL, ±1.5 LSB, Max INL – ADS7250: 12-Bit NMC DNL, ±1 LSB, Max INL • Excellent AC Performance: – ADS8350: 85-dB SNR, –96-dB THD – ADS7850: 81-dB SNR, –90-dB THD – ADS7250: 73-dB SNR, –88-dB THD • Simple Serial Interface • Fully-Specified Over Extended Industrial Temperature Range: –40°C to 125°C • Small Footprint: WQFN-16 (3 mm × 3 mm) 2 Applications • Motor Control: Position Measurement Using SinCos Encoders • Optical Networking: EDFA Gain Control Loop • Protection Relays • Power Quality Measurement • Three-Phase Power Controls • Programmable Logic Controllers • Industrial Automation 3 Description The ADS8350, ADS7850, and ADS7250 devices belong to a family of pin-compatible, dual, highspeed, simultaneous-sampling, analog-to-digital converters (ADCs) that support pseudo-differential analog inputs. All devices support a simple serial interface that can operate over a wide power-supply range, enabling easy communication with a large variety of host controllers. All devices are fully specified over the extended industrial temperature range (–40°C to 125°C) and are available in a pin-compatible, WQFN-16 (3 mm × 3 mm) package. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) ADS7250 ADS7850 WQFN (16) 3.00 mm × 3.00 mm ADS8350 (1) For all available packages, see the orderable addendum at the end of the datasheet. Functional Block Diagram OPA322 ++ +V OPA322 ++ +V ADS7250, ADS7850, ADS8350 AINP AINM VREF AINM OPA322 + -+ +V OPA322 + -+ +V AINP 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. ADS8350, ADS7850, ADS7250 SBAS580D – MAY 2013 – REVISED MARCH 2018 www.ti.com Table of Contents 1 Features .................................................................. 1 2 Applications ........................................................... 1 3 Description ............................................................. 1 4 Revision History..................................................... 2 5 Pin Configuration and Functions ......................... 3 6 Specifications......................................................... 4 6.1 Absolute Maximum Ratings ...................................... 4 6.2 ESD Ratings.............................................................. 4 6.3 Recommended Operating Conditions....................... 4 6.4 Thermal Information .................................................. 4 6.5 Electrical Characteristics: All Devices....................... 5 6.6 Electrical Characteristics: ADS7250 ......................... 6 6.7 Electrical Characteristics: ADS7850 ......................... 7 6.8 Electrical Characteristics: ADS8350 ......................... 8 6.9 Timing Requirements ................................................ 9 6.10 Switching Characteristics ........................................ 9 6.11 Typical Characteristics: ADS7250 ........................ 10 6.12 Typical Characteristics: ADS7850 ........................ 13 6.13 Typical Characteristics: ADS8350 ........................ 16 6.14 Typical Characteristics: All Devices ...................... 19 7 Detailed Description ............................................ 20 7.1 Overview ................................................................. 20 7.2 Functional Block Diagram ....................................... 20 7.3 Feature Description................................................. 21 7.4 Device Functional Modes........................................ 24 8 Application and Implementation ........................ 26 8.1 Application Information............................................ 26 8.2 Typical Applications ................................................ 26 9 Power Supply Recommendations...................... 33 10 Layout................................................................... 34 10.1 Layout Guidelines ................................................. 34 10.2 Layout Example .................................................... 34 11 Device and Documentation Support ................. 35 11.1 Documentation Support ........................................ 35 11.2 Related Links ........................................................ 35 11.3 Receiving Notification of Documentation Updates 35 11.4 Community Resources...................


ADS7250 ADS7850 ADS8350


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