Hall Sensor KSY 14 Features • • • • • • • • • High sensitivity High operating temperature Small linearity error Low offset voltage Low TC of sensitivity and internal resistance Ultra-flat plastic miniature package Low inductive zero component Package thickness 0.7 mm Connections from one side of the package Typical applications • Current and power measurement • Magnetic field measurement • Control of brushless DC motors • Rotation and position sensing • Measurement of diaphragm • Movement for pressure sensing Dimensions in mm Type Marking Ordering Code KSY 14 14 Q62705-K227 The KSY 14 is an ion-implanted Hall sensor generator in a mono-crystalline GaAs material, built into an extremely flat plastic package (SOH). It is outstanding for a high magnetic sensitivity and low temperature coefficients. The 0.35 × 0.35 mm2 chip is mounted onto a non-magnetic leadframe. Semiconductor Group 1 07.96 KSY 14 Maximum ratings Parameter Symbol Value Unit Operating temperature TA Tstg I1 GthA GthC – 40…+ 175 °C – 50…+ 180 °C 7 mA ≥ 1.5 ≥ 2.2 mW/K mW/K 5 mA Open-circuit sensitivity I1N KB0 190…260 V/AT Open-circuit Hall voltage V20 95…130 mV Ohmic offset voltage I1 = I1N, B = 0 T VR0 ≤ ± 20 mV Linearity of Hall voltage B = 0…0.5 T B = 0…1 T FL ≤ ± 0.2 ≤ ± 0.7 % % R10 R20 TCV20 900…1200 Ω 900…1200 Ω ∼ – 0.03…– 0.07 %/K Temperature coefficient of the internal resistance B=0 T TCR10, R20 ∼ 0.1…0.18 %/K Change of offset voltage within the temperature range ∆VR01) ≤2 mV Inductive zero component I1N = 0 A2 2) 0.16 cm2 Noise figure F ∼ 10 dB Storage temperature Supply current Thermal conductivity soldered, in air Characteristics (TA = 25 °C) Nominal supply current I1 = I1N, B = 0.1 T Input resistance Output resistance B=0 T B=0 T Temperature coefficient of the open-circuit Hall voltage I1 = I1N, B = 0.1 T 1) AQL: 0.65 2) With time varying induction there exists an inductive voltage Vind between the Hall voltage terminals (supply current I1 = 0): Vind = A2 × dB/dt × 10-4 with V(V), A2 (cm2), B(T), t(s) Semiconductor Group 2 KSY 14 Connection of a Hall sensor with a power source Since the voltage on the component must not exceed 10 V, the connection to the constant current supply should only be done via a short circuit by-pass. The by-pass circuit-breaker shall not be opened before turning on the power source, in order to avoid damage to the Hall sensor due to power peaks. Polarity of Hall voltage Semiconductor Group 3