ACS712ELC-05A
Hall Current Sensor ModuleThe ACS712ELC-05A is a hall current sensor module from Allegro MicroSystems. View the full ACS712ELC-05A datasheet below including key specifications.
Official ACS712ELC-05A datasheet (PDF) — the source this page was extracted from.
Manufacturer
Allegro MicroSystemsCategory
Current SensorsACS712ELC-05A Key Specifications
| Parameter | Value |
|---|---|
| Sensitivity | 66 mV/A (30A module), 100 mV/A (20A module), 185 mV/A (5A module) |
| Operating Voltage | 5.0Vdc Nominal |
| Voltage at 0A | VCC/2 (nominally 2.5Vdc) |
| Internal conductor resistance | 1.2 mΩ |
| Minimum isolation voltage | 2.1 kVRMS |
| Total output error | 1.5% at TA = 25°C |
| Measurement Range | -30 to +30 Amps (for 30A module variant) |
ACS712ELC-05A Overview
Part: ACS712 Hall Current Sensor Module (Handson Technology)
Type: Hall Effect Current Sensor Module
Description: A highly accurate Hall Effect current sensor module operating from 5V, providing an analog voltage output proportional to AC or DC currents up to ±30 A, with 1.2 mΩ internal conductor resistance and 2.1 kVRMS isolation.
Operating Conditions:
- Supply voltage: 5.0Vdc Nominal
- Operating temperature: null
- Measurement Range: -5 to +5 Amps, -20 to +20 Amps, or -30 to +30 Amps (depending on module variant)
Absolute Maximum Ratings:
- Max supply voltage: null
- Max continuous current: 30 A (for 30A module variant)
- Max junction/storage temperature: null
Key Specs:
- Sensitivity: 66 mV/A (30A module), 100 mV/A (20A module), 185 mV/A (5A module)
- Operating Voltage: 5.0Vdc Nominal
- Voltage at 0A: VCC/2 (nominally 2.5Vdc)
- Internal conductor resistance: 1.2 mΩ
- Minimum isolation voltage: 2.1 kVRMS
- Total output error: 1.5% at TA = 25°C
- Measurement Range: -30 to +30 Amps (for 30A module variant)
Features:
- Output voltage proportional to AC or DC currents
- Factory-trimmed for accuracy
- Extremely stable output offset voltage
- Low-noise analog signal path
- Designed for use with microcontrollers (e.g., Arduino)
Applications:
- Current sensing in microcontroller-based systems (e.g., Arduino projects)
Package:
- Module (Mechanical dimensions provided)
ACS712ELC-05A Typical Application
Figure-4
Variants on the same datasheet
These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.
| Part Number | Manufacturer | Package |
|---|---|---|
| ACS712ELC-10A | Allegro MicroSystems | — |
| ACS712ELC-30A | Allegro MicroSystems | — |
Other Current Sensors
- INA381A3IDSGR – Texas Instruments, Current Sense Amplifier with Integrated Comparator
- INA219 – Texas Instruments, Current/Power Monitor
- ACS712ELC-10A – Allegro MicroSystems, Hall Current Sensor Module
- ACS712ELC-30A – Allegro MicroSystems, Hall Current Sensor Module
- ACS72981ELR – Allegro MicroSystems, Hall-Effect Current Sensor IC
- ACS72981KLR – Allegro MicroSystems, Hall-Effect Linear Current Sensor
- ACS72981LLR – Allegro MicroSystems, Hall-Effect Linear Current Sensor IC
- INA219BIDR – Texas Instruments, Current/Power Monitor
All Current Sensors datasheetsAll Allegro MicroSystems datasheets (14)
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