Datasheet CT220 (Crocus Technology) - 7

CT220 www.crocus-technology.com Electrical Specifications
CT220BMx (±1.5 mT)
Unless otherwise specified: VDD = 2.7 V to 5.5 V, CBYP = 1.0 µF and TA = -40°C to +125°C. Typical values are VDD = 5.0 V
and TA = +25°C. Symbol Parameter Conditions Min. Typ. Max. Unit Analog Output
GBP Gain for Bipolar Magnetic
Field 300 mV/V/mT GUP Gain for Unipolar Magnetic
Field -300 mV/V/mT BANA Operating Magnetic Field -1.5 +1.5 mT Resolution
RES Resolution IBUSBAR = ±3.5 A (1) 5.0 mA Total Output Error Performance
ETOT_BMC Total Output Error for
CT220BMC (2) TA = 0°C to +125°C ±0.5 ±1.0 TA = -40°C to +125°C ±0.5 ±2.0 ETOT_BMV Total Output Error for
CT220BMV (2) TA = 0°C to +125°C ±0.5 ±1.5 TA = -40°C to +125°C ±0.5 ±4.0 BANA = ±1.5 mT
TA = -40°C to +125°C ±0.15 % FS
% FS Total Output Error Components
eLIN Non-Linearity % FS TCSBMC Temperature Coefficient of
Sensitivity for CT220BMC (3) TA = 0°C to +125°C -70 TA = -40°C to +125°C -150 TCSBMV Temperature Coefficient of
Sensitivity for CT220BMV (3) TA = 0°C to +125°C -100 TA = -40°C to +125°C -200 TCO Temperature Coefficient of
Offset Voltage (3) TA = -40°C to +125°C,
VDD = 5.0 V 100 ppm/°C Input Referred Noise (1) fBW = 1 Hz to 30 kHz,
VDD = 5.0 V 3.5 µTRMS -250
-400 ppm/°C
ppm/°C Noise
eN
(1)
(2)
(3) Measurement result from EVB222 (top trace on PCB), CT220 evaluation board.
Reference the CT220 Calibration Guide on page 14.
Guaranteed by design and characterization; not tested in production. © 2020 Crocus Technology
CT220 Rev. 0.0 7