{"product_id":"sparkfun-qwiic-24-bit-adc-4-channel-ads1219","title":"SparkFun Qwiic 24 Bit ADC - 4 Channel (ADS1219)","description":"\u003cp\u003e\u003cstrong\u003eThe SparkFun Qwiic 24-Bit ADC adds four channels of ultra-high-resolution analogue input to your project, making it ideal for precision sensing, scientific measurements, strain gauges, and other applications that need exceptionally accurate voltage readings.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eThe \u003ca title=\"SparkFun Products\" href=\"\/collections\/sparkfun\"\u003eSparkFun\u003c\/a\u003e \u003cstrong\u003eQwiic 24-Bit ADC (ADS1219)\u003c\/strong\u003e adds four channels of high-precision, \u003cstrong\u003e24-bit analogue input\u003c\/strong\u003e to your project over \u003cstrong\u003eI2C\u003c\/strong\u003e, featuring programmable gain and up to \u003cstrong\u003e16 unique addresses\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSometimes, the standard 10-bit or 12-bit ADC built into your microcontroller just isn't enough. When you need to measure minute changes in voltage with extreme accuracy, the \u003cstrong\u003eSparkFun Qwiic 24-Bit ADC\u003c\/strong\u003e is the tool for the job. Built around the Texas Instruments \u003cstrong\u003eADS1219\u003c\/strong\u003e, this board provides four channels of high-resolution analogue input, configurable as four single-ended inputs or two differential pairs.\u003c\/p\u003e\n\u003cp\u003eTo help you measure even the smallest signals (like those from strain gauges or scientific sensors), the chip features a programmable gain amplifier (\u003cstrong\u003ePGA\u003c\/strong\u003e) with \u003cstrong\u003ex1 and x4\u003c\/strong\u003e gain settings. This allows you to \"zoom in\" on tiny voltage fluctuations with incredible precision, down to \u003cstrong\u003e61.04 nV\u003c\/strong\u003e per count!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eScalable and Easy to Connect\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe designed this board to grow with your project. Utilizing our handy \u003ca title=\"Qwiic and STEMMA QT\" href=\"\/collections\/qwiic-stemma-qt\"\u003eQwiic\u003c\/a\u003e Connect System, you can connect it to your microcontroller in seconds with no soldering required. Need more inputs? While the default I2C address of the \u003cstrong\u003eADS1219\u003c\/strong\u003e is 0x40, the board features jumpers in the range 0x40 to 0x4F, allowing you to daisy-chain up to \u003cstrong\u003e16 boards\u003c\/strong\u003e on a single bus for a staggering \u003cstrong\u003e64 channels\u003c\/strong\u003e of ADC input. If you need to use more than sixteen ADS1219 ADCs, consider using the \u003ca title=\"SparkFun Qwiic Mux Breakout - 8 Channel (TCA9548A)\" href=\"\/products\/sparkfun-qwiic-mux-breakout-8-channel-tca9548a\"\u003eQwiic Mux Breakout\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eFor users who prefer traditional \u003ca title=\"Solderless Breadboards\" href=\"\/collections\/solderless-breadboards\"\u003ebreadboarding\u003c\/a\u003e or need to connect external reference voltages, we have also broken out the analogue inputs, interrupts, and reference pins to standard \u003cstrong\u003e0.1\"\u003c\/strong\u003e-spaced pads.\u003c\/p\u003e\n\u003ch2\u003eFeatures and Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eADS1219\n\u003cul\u003e\n\u003cli\u003eOperating Voltage (VDD): 2.3V - 5.5V\n\u003cul\u003e\n\u003cli\u003e(Note: When powering with a Qwiic cable, the operating voltage is 3.3V only)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eOperating Temperature: -40°C to 125°C\u003c\/li\u003e\n\u003cli\u003eOperation Modes: Single-Shot, Continuous-Conversion, and Power-Down\u003c\/li\u003e\n\u003cli\u003eAnalog Inputs:\n\u003cul\u003e\n\u003cli\u003eFour single-ended\u003c\/li\u003e\n\u003cli\u003eCan be configured as one or two differential inputs\u003c\/li\u003e\n\u003cli\u003eSeparate reference voltage inputs\u003c\/li\u003e\n\u003cli\u003eVDDA (AVDD) can also be configured via the jumper and breakout pad\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eResolution:\n\u003cul\u003e\n\u003cli\u003e24-bit maximum, 20-bit effective\u003c\/li\u003e\n\u003cli\u003eLSB size (gain x1): 244.14nV\u003c\/li\u003e\n\u003cli\u003eLSB size (gain x4): 61.04nV\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eSample Rate: 20 Hz to 1 kHz\u003c\/li\u003e\n\u003cli\u003eCombined Current Consumption (Typical): 8μA - 410μA\u003c\/li\u003e\n\u003cli\u003e50Hz and 60Hz noise rejection\u003c\/li\u003e\n\u003cli\u003eConfigurable input multiplexer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eSixteen configurable I2C addresses:\n\u003cul\u003e\n\u003cli\u003e0x40 - 0x4F\u003c\/li\u003e\n\u003cli\u003eDefault: 0x40\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e2x Qwiic connection ports\u003c\/li\u003e\n\u003cli\u003ePower LED (configurable)\u003c\/li\u003e\n\u003cli\u003eDimensions: 1\" x 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eResources\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca title=\"Schematic\" rel=\"noopener\" href=\"https:\/\/cdn.sparkfun.com\/assets\/7\/d\/8\/d\/c\/Schematic.pdf\" target=\"_blank\"\u003eSchematic\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca title=\"Board Dimensions\" rel=\"noopener\" href=\"https:\/\/cdn.sparkfun.com\/assets\/b\/6\/8\/d\/c\/Dimensions.png\" target=\"_blank\"\u003eBoard Dimensions\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003ca title=\"Datasheet\" rel=\"noopener\" href=\"https:\/\/cdn.sparkfun.com\/assets\/6\/6\/f\/f\/b\/ads1219.pdf\" target=\"_blank\"\u003eDatasheet\u003c\/a\u003e (ADS1219)\u003c\/li\u003e\n\u003cli\u003e\u003ca title=\"Hookup Guide\" rel=\"noopener\" href=\"https:\/\/docs.sparkfun.com\/SparkFun_Qwiic_ADC_ADS1219\/\" target=\"_blank\"\u003eHook-up Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca title=\"Arduino Library\" rel=\"noopener\" href=\"https:\/\/github.com\/sparkfun\/SparkFun_ADS1219_Arduino_Library\" target=\"_blank\"\u003eArduino Library\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca title=\"GitHub Hardware Repo\" rel=\"noopener\" href=\"https:\/\/github.com\/sparkfunX\/SparkX_ADC_ADS1219\" target=\"_blank\"\u003eGitHub Hardware Repo\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x SparkFun Qwiic 24 Bit ADC - 4 Channel (ADS1219)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBreadboard, Sparkfun Redboard and cables \u003c\/strong\u003e\u003cstrong\u003enot included. \u003c\/strong\u003e\u003c\/p\u003e","brand":"Sparkfun","offers":[{"title":"Default Title","offer_id":55836769190273,"sku":"SEN-27544","price":14.4,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/files\/sparkfun-qwiic-24-bit-adc-4-channel-ads1219-sparkfun-sen-27544-1245904568.jpg?v=1782312492","url":"https:\/\/thepihut.com\/products\/sparkfun-qwiic-24-bit-adc-4-channel-ads1219","provider":"The Pi Hut","version":"1.0","type":"link"}