Datasheet AH4930 (Diodes) - 4
| Manufacturer | Diodes |
| Description | 3D Magnetic Linear Hall Sensor with I2C Interface |
| Pages / Page | 23 / 4 — AH4930. Recommended Operating Conditions. Symbol. Parameter. Conditions. … |
| File Format / Size | PDF / 1.1 Mb |
| Document Language | English |
AH4930. Recommended Operating Conditions. Symbol. Parameter. Conditions. Rating. Unit. Electrical Characteristics. Min. Typ. Max
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AH4930 Recommended Operating Conditions
(@TA = +25°C, unless otherwise specified.)
Symbol Parameter Conditions Rating Unit
VDD Supply Voltage Operating 2.8 to 5.5 V TJ Operating Temperature Range Operating -40 to +125 C
Electrical Characteristics
(VDD = 3.3V @TA = +25°C, unless otherwise specified.)
Symbol Parameter Conditions Min Typ Max Unit
VDD Supply voltage — 2.8 3.3 5.5 V tPUP Power-up ramp time VDD rising from 0 to 90% of VDD — — 10 µs tINIT Sensor initialization time Power-up reset to first I2C cycle 500 — — µs Envelope which must not be VOUS Power-up over-undershoot 3 3.3 3.5 V exceeded at the end of a power-up VUVLO Reset level (UVLO) VDD rising to start conversion — 2.5 — V V V UVLO (VIN falling to stop UVLO_HYS Reset level_hysteresis (UVLO) — 0.1 — V conversion) 13 IDD(ULMP) IDD in duty cycled operation average current Ultra low-power mode — — µA (10Hz) 95 IDD(LPM) IDD in duty cycled operation average current Low-power mode — — µA (83.3Hz) 3.8 IDD(FSM) IDD in continuous operation average current Fast mode — — mA (3.3kHz) IDD(POWER- IDD in power-down mode IC is in power-down condition — 9 — nA DOWN) VIL Input low threshold voltage All input pins — — 0.3 VDD VIH Input high threshold voltage All input pins 0.7 — — VDD VI_HYS Input hysteresis voltage All input pins — 0.05 — V VOL Output low level VOL (@3mA) — — 0.4 V VOH Output high level Given by ext. pullup resistor 1.2kΩ — VDD — V ILEAKAGE ILEAKAGE when pin disabled SDA, SCL — — 0.1 µA TRANGE Temp. sensor (range) — -40 — +125 C T25 Temp. sensor +25°C code TA = +25°C — 25 — LSB TRES Temp. sensor (resolution 12bits) — — 1 — C/LSB TACC Temp. sensor (accuracy) TA = +25°C — +/-10 — C fUR Update rate X, Y, Z Max. conversion rate (Fast mode) — 3.3k — Hz fUR_LP Update rate (Low power) INT. triggered rate in LPM — 83.3 — Hz fUR_ULP Update rate (Ultra LP) INT. triggered rate in ULPM — 10 — Hz Freq. shift of int. clock tCLK_E Clock freq. drift -20 0 20 % (TA = -40°C to +125°C) tINT End of conversion (INT pulse) Low active pulse width 1.5 2 — µs AH4930 4 of 23 January 2025 Document number: DS46768 Rev. 1 - 2
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(@TA = +25°C, unless otherwise specified.)
Symbol Parameter Conditions Rating Unit
VDD Supply Voltage Operating 2.8 to 5.5 V TJ Operating Temperature Range Operating -40 to +125 C
Electrical Characteristics
(VDD = 3.3V @TA = +25°C, unless otherwise specified.)
Symbol Parameter Conditions Min Typ Max Unit
VDD Supply voltage — 2.8 3.3 5.5 V tPUP Power-up ramp time VDD rising from 0 to 90% of VDD — — 10 µs tINIT Sensor initialization time Power-up reset to first I2C cycle 500 — — µs Envelope which must not be VOUS Power-up over-undershoot 3 3.3 3.5 V exceeded at the end of a power-up VUVLO Reset level (UVLO) VDD rising to start conversion — 2.5 — V V V UVLO (VIN falling to stop UVLO_HYS Reset level_hysteresis (UVLO) — 0.1 — V conversion) 13 IDD(ULMP) IDD in duty cycled operation average current Ultra low-power mode — — µA (10Hz) 95 IDD(LPM) IDD in duty cycled operation average current Low-power mode — — µA (83.3Hz) 3.8 IDD(FSM) IDD in continuous operation average current Fast mode — — mA (3.3kHz) IDD(POWER- IDD in power-down mode IC is in power-down condition — 9 — nA DOWN) VIL Input low threshold voltage All input pins — — 0.3 VDD VIH Input high threshold voltage All input pins 0.7 — — VDD VI_HYS Input hysteresis voltage All input pins — 0.05 — V VOL Output low level VOL (@3mA) — — 0.4 V VOH Output high level Given by ext. pullup resistor 1.2kΩ — VDD — V ILEAKAGE ILEAKAGE when pin disabled SDA, SCL — — 0.1 µA TRANGE Temp. sensor (range) — -40 — +125 C T25 Temp. sensor +25°C code TA = +25°C — 25 — LSB TRES Temp. sensor (resolution 12bits) — — 1 — C/LSB TACC Temp. sensor (accuracy) TA = +25°C — +/-10 — C fUR Update rate X, Y, Z Max. conversion rate (Fast mode) — 3.3k — Hz fUR_LP Update rate (Low power) INT. triggered rate in LPM — 83.3 — Hz fUR_ULP Update rate (Ultra LP) INT. triggered rate in ULPM — 10 — Hz Freq. shift of int. clock tCLK_E Clock freq. drift -20 0 20 % (TA = -40°C to +125°C) tINT End of conversion (INT pulse) Low active pulse width 1.5 2 — µs AH4930 4 of 23 January 2025 Document number: DS46768 Rev. 1 - 2
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© 2025 Copyright Diodes Incorporated. All Rights Reserved.
