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Grove - 4 Channel 16-bit ADC (ADS1115) (109020041)
NT$400
運費NT$50
條碼20170
產品說明

※本產品原廠代理從國外進口,有些交期較長,下訂前請詢問!

Grove - 4 Channel 16-bit ADC (ADS1115) w/ Programmable Amplifier Gain (109020041)

PRODUCT DETAILS

Key Features

  • Wide supply range: 2.0V ~ 5.5V, support 3.3/5V system
  • 16-bit high-resolution ADC
  • Programmable Data Rate: 8 SPS to 860 SPS
  • Internal Programmable Gain: x16 with Internal low-drift voltage reference and oscillator
  • The built-in PGA is gain-adjustable and can be controlled by software
  • 4 Single-Ended Inputs or 2 Differential Inputs

DESCRIPTION

We know that Raspberry Pi is ADC-free and its I/O can only handle digital signals. Therefore, when analog sensors are involved, an external ADC module is needed to convert the analog signal to digital. On the other hand, although most Arduino(like Arduino UNO) come with a 10-bit ADC, which is not very accurate, and the resolution is affected by the reference voltage, so it is not suitable for some applications where high accuracy is required and the operating voltage range is wide. The Grove ADS1115 solves these problems perfectly.

The ADS1115 is a 4-channel 16-bit high-resolution, low-power ADC chip with PGA (programmable gain amplifier) function. The PGA allows it to measure input voltages from ±256 mV to ±6.144 V, thus greatly expanding its application scenarios.

At the same time, the ADS1115 has an input multiplexer (MUX) that allows two-channel differential-input measurements or four-channel single-ended input measurements. Therefore, it is possible to measure the value of 4 analog sensors as well as to use the differential measurement for battery voltage detection. The chip has a continuous measurement mode and a single measurement mode, and the standby power consumption in the single measurement mode is extremely low, making it ideal for IoT applications.

Applications

  • Analog-to-Digital converter
  • Portable instrumentation
  • Battery monitoring
  • High precision measurement
  • Factory automation and process controls

Specifications

Parameter

Value

Input voltage

3.3V / 5V

ADC Resolution

16 Bit

Programmable Data Rate

8SPS - 860 SPS

Channels

4-channel single-ended input or 2-channel differential input

Interface

I2C, Default Address: 0x48, optional I2C address: 0x48/0x49/0x4A/0x4B

Hardware Overview

Part List

Items Values
Grove - 4-Channel 16 Bit ADC (ADS1115) 1
20mm Grove Cable 1

ECCN/HTS

HSCODE 8517709000
UPC

DOCUMENTS

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本商品上架日期:2020-06-12.
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