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FXPS7115D4S Datasheet(PDF) 5 Page - NXP Semiconductors |
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FXPS7115D4S Datasheet(HTML) 5 Page - NXP Semiconductors |
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5 / 74 page ![]() NXP Semiconductors FXPS7115D4S Digital absolute pressure sensor, 40 kPa to 115 kPa aaa-029736 COMPARATOR VCC VOLTAGE REGULATOR REFERENCE GENERATOR DIGITAL LOGIC DSP OTP ARRAY Σ CONVERTER VREF VREF VREGA VREGA VCC VCC VREG C2V TRIM TRIM BIAS GENERATOR TRIM VOLTAGE REGULATOR BANDGAP REFERENCE VREG_MOD VREG VREGA VREF OSCILLATOR COMPARATOR POR VCC_UV_ERR COMPARATOR Figure 3. Voltage regulation and monitoring 7.1.1 VCC, VREG, VREGA, undervoltage monitor A circuit is incorporated to monitor the VCC supply voltage and the internally regulated voltages VREG and VREGA. If any of the voltages fall below the specified undervoltage thresholds in Table 104, SPI and I2C transactions are terminated. Once the supply returns above the threshold, the device resumes responses. 7.2 Internal oscillator The device includes a factory trimmed oscillator. 7.3 Pressure sensor signal path 7.3.1 Self-test functions The device includes analog and digital self-test functions to verify the functionality of the transducer and the signal chain. The self-test functions are selected by writing to the ST_CTRL[3:0] bits in the DSP_CFG_U5 register. The ST_CTRL bits select the desired self-test connection. FXPS7115D4S All information provided in this document is subject to legal disclaimers. © 2022 NXP B.V. All rights reserved. Objective data sheet Rev. 1 — 9 August 2022 5 / 74 |
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