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PGA900AYZSR Datasheet(PDF) 8 Page - Texas Instruments |
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PGA900AYZSR Datasheet(HTML) 8 Page - Texas Instruments |
8 / 137 page 2.5V 2.0V 1.25V 2.5V VBRGP VINPP VINPN AVDD Regulator 3V Reverse Protection 2.5V Reference 2.5V PGA ADC VDD 2.5V Ref Buf REFCAP DAC VBRG Buf MUX VOUT DACCAP 100nF 3.3nF 40K DAC GAIN vddp A B C E R R 1.25V AVDD 100nF DVDD Regulator DVDD 100nF 1.8V Ratiometric Absolute R1 R1 ITEMP Buf VINTP 6 9DOXH DW 7(03 ± 9DOXH DW & TEMP DRIFT 10 Value at 25 C TEMP G K G K (1) PGA900 SLDS209A – JANUARY 2015 – REVISED MAY 2015 www.ti.com 6.10 Bridge Sensor Supply over operating free-air temperature range at VDD = 5 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VBRG SUPPLY FOR RESISTIVE BRIDGE SENSORS Bridge supply control bit = 0b00, no 2.5 load VBRGP- Bridge supply control bit = 0b01, no Bridge supply voltage 2.0 V VBRGN load Bridge supply control bit = 0b10, no 1.25 load Across temperature for 2.5 V bridge 6.5 20 output at no load Bridge supply voltage temperature Across temperature for 2.0 V bridge 7.5 ppm/°C variation(1) output at no load Across temperature for 1.25 V bridge 15.5 output at no load IBRG Current supply to the bridge 1.5 mA CBRG Capacitive load RBRG = 20 kΩ 2 nF Figure 2. Bridge Supply and P ADC Reference are Ratiometric 8 Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated Product Folder Links: PGA900 |
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