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Specifications
Standby Current:
-
working temperature:
-40℃~+125℃
Current Range:
±30A
Voltage - Supply:
5V
Current Terminal Resistance:
1.2mΩ
Band Width:
80kHz
Response Time (tr):
3.5us
Sensitivity:
66mV/A
Bidirectional Current Detection:
Support
Mfr. Part #:
HT8712R-30A
Package:
SOP-8
Key Attributes
Model Number:
HT8712R-30A
Product Description
Product Overview
The HTCSEMI HT8712 is a fully integrated, Hall effect-based linear current sensor IC designed for economical and precise AC or DC current sensing in industrial, commercial, and communications systems. It features 2.4kVRMS isolation, a low-resistance current conductor, and a small, low-profile SOIC8 package for easy implementation. The device offers a low-noise analog signal path, a bandwidth set via the FILTER pin, and a 5 s output rise time. Its output voltage is proportional to AC or DC currents and is factory-trimmed for accuracy with extremely stable output offset voltage and nearly zero magnetic hysteresis.
Product Attributes
- Brand: HTCSEMI
- Package: SOIC8
- Leadframe Plating: 100% matte tin
- Internal Material: Pb-free (except for flip-chip high-temperature Pb-based solder balls)
- Certifications: UL standard 60950-1, 1st Edition (for isolation)
- Not intended for automotive applications.
Technical Specifications
| Part Number | Optimized Range, IP (A) | Sensitivity, Sens (Typ) (mV/A) | TA (C) | Packing* |
|---|---|---|---|---|
| HT8712R-05A | 5 | 185 | 40 to 125 | Tape and reel, 2500 pieces/reel |
| HT8712R-20A | 20 | 100 | 40 to 125 | Tape and reel, 2500 pieces/reel |
| HT8712R-30A | 30 | 66 | 40 to 125 | Tape and reel, 2500 pieces/reel |
| Characteristic | Symbol | Test Conditions | Min. | Typ. | Max. | Units |
|---|---|---|---|---|---|---|
| Supply Voltage | VCC | 4.5 | 5.0 | 5.5 | V | |
| Supply Current | ICC | VCC = 5.0 V, output open | 10 | 13 | mA | |
| Primary Conductor Resistance | RPRIMARY | TA = 25C | 1.2 | m | ||
| Rise Time | tr | IP = IP(max), TA = 25C, COUT = open | 3.5 | s | ||
| Frequency Bandwidth | f | 3 dB, TA = 25C; IP is 10 A peak-to-peak | 80 | kHz | ||
| Total Output Error (05A) | ETOT | IP =5 A, TA = 25C, Output filtered | 1.5 | % | ||
| Total Output Error (20A) | ETOT | IP =20 A, TA = 25C, Output filtered | 1.5 | % | ||
| Total Output Error (30A) | ETOT | IP = 30 A, TA = 25C, Output filtered | 1.5 | % | ||
| Isolation Voltage | VISO | Agency type-tested for 60 seconds per UL standard 60950-1, 1st Edition | 2400 | VAC |
2410121530_HTCSEMI-HT8712R-30A_C19192934.pdf
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