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商品簡介 |
ADS1115模組採用TI原裝16位元資料獲取晶片ADS1115,4路單獨輸入或2路差分輸入,單路取樣速率最高860bps,預設採集電壓-6.144 ~+ 6.144V。
具有板載基準電壓和板載放大器、振盪器,超低功耗。
模組簡介:
電源及4路AD輸入端分別採用濾波電路,I2C協定介面採用限流電路,介面相容5V及3.3V。單片機只需要兩個普通IO口和此板的SDA(資料介面)和SCL(時鐘介面)連接就可以控制ADS1115採集資料。
ADS1115晶片特點:
1、2.0V-5.5V寬電壓供電。
2、低電流消耗,最小達150uA就可以工作。
3、採集速率可調:8SPS---860SPS。
4、內部低漂移電壓基準。
5、內部振盪器。
6、內部可程式設計增益放大器,調節增益也就是調節輸入範圍。
7、4路單端輸入或2路差分輸入,程式控制。
商品規格 |
FEATURES DESCRIPTION
23• ULTRA-SMALL QFN PACKAGE: The ADS1113, ADS1114, and ADS1115 are
2mm × 1,5mm × 0,4mm precision analog-to-digital converters (ADCs) with 16
• WIDE SUPPLY RANGE: 2.0V to 5.5V bits of resolution offered in an ultra-small, leadless
• LOW CURRENT CONSUMPTION: QFN-10 package or an MSOP-10 package. The ADS1113/4/5 are designed with precision, power, and Continuous Mode: Only 150μA ease of implementation in mind. The ADS1113/4/5
Single-Shot Mode: Auto Shut-Down feature an onboard reference and oscillator. Data are
• PROGRAMMABLE DATA RATE: transferred via an I2C-compatible serial interface; four 8SPS to 860SPS I2C slave addresses can be selected.
• INTERNAL LOW-DRIFT ADS1113/4/5 operate from a single power supply
VOLTAGE REFERENCE ranging from 2.0V to 5.5V.
• INTERNAL OSCILLATOR The ADS1113/4/5 can perform conversions at rates
• INTERNAL PGA up to 860 samples per second (SPS). An onboard PGA is available on the ADS1114 and ADS1115 that
• I2C™ INTERFACE: Pin-Selectable Addresses offers input ranges from the supply to as low as
• FOUR SINGLE-ENDED OR TWO ±256mV, allowing both large and small signals to be
DIFFERENTIAL INPUTS (ADS1115) measured with high resolution. The ADS1115 also
features an input multiplexer (MUX) that provides two
• PROGRAMMABLE COMPARATOR differential or four single-ended inputs.
(ADS1114 and ADS1115)
The ADS1113/4/5 operate either in continuous
APPLICATIONS conversion mode or a single-shot mode that
• PORTABLE INSTRUMENTATION automatically powers down after a conversion and greatly reduces current consumption during idle
• CONSUMER GOODS periods. The ADS1113/4/5 are specified from –40°C
• BATTERY MONITORING to +125°C.
出貨清單 |