Bezahlverfahren
TMCS1108A4UQDT +BOM
Current Sensor 1 Channel Hall Effect Unidirectional 8-SOIC (0.154", 3.90mm Width)
8-SOIC-
Hersteller:
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Herstellerteil #:
TMCS1108A4UQDT
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Datenblatt:
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Paket/Koffer:
8-SOIC
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Produktart:
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Lebenszyklus:
Active
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TMCS1108A4UQDT Allgemeine Beschreibung
The TMCS1108 is a galvanically isolated Hall-effect current sensor capable of DC or AC current measurement with high accuracy, excellent linearity, and temperature stability. A low-drift, temperature-compensated signal chain provides <3% full-scale error across the device temperature range.
The input current flows through an internal 1.8-mΩ conductor that generates a magnetic field measured by an integrated Hall-effect sensor. This structure eliminates external concentrators and simplifies design. Low conductor resistance minimizes power loss and thermal dissipation. Inherent galvanic insulation provides a 100-V functional isolation between the current path and circuitry. Integrated electrical shielding enables excellent common-mode rejection and transient immunity.
The output voltage is proportional to the input current with multiple sensitivity options. Fixed sensitivity allows the TMCS1108 to operate from a single 3-V to 5.5-V power supply, eliminates ratiometry errors, and improves supply noise rejection. The current polarity is considered positive when flowing into the positive input pin. Both unidirectional and bidirectional sensing variants are available.
The TMCS1108 draws a maximum supply current of 6 mA, and all sensitivity options are specified over the operating temperature range of –40°C to +125°C.
Hauptmerkmale
- Total error: ±1% typical, ±3% maximum, –40°C to 125°C
- Sensitivity error: ±0.9%
- Offset error: 40 mA
- Offset drift: 0.2 mA/°C
- Linearity error: 0.5%
- Multiple sensitivity options:
- TMCS1108A1B/U: 50 mV/A
- TMCS1108A2B/U: 100 mV/A
- TMCS1108A3B/U: 200 mV/A
- TMCS1108A4B/U: 400 mV/A
- Zero drift internal reference
- Bidirectional and unidirectional current sensing
- Operating supply range: 3 V to 5.5 V
- Signal bandwidth: 80 kHz
- Robust 100-V galvanic isolation
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In Stock: 9.716
Minimum Order: 1
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