sensors

BMP388

Key datasheet specifications and the closest alternatives, ranked by parametric similarity and grounded in the manufacturer datasheet.

01 — Overview

This Bosch datasheet covers the BMP388, a digital pressure and temperature sensor. Designed for low-power IoT devices like drones and wearables, it features a compact 2x2 mm LGA package. Key specs include a 1.65-3.6V supply, ±8 Pa relative accuracy, and ultra-low 3.4 µA current at 1Hz. The chip offers I2C/SPI interfaces, a 512-byte FIFO buffer, and hardware synchronization for accurate altitude tracking and data fusion across wide temperature ranges.

02 — Key specifications

Datasheet parameters

ParameterMinTypMaxConditions
quiescent current — 2 µA — VDD = VDDIO1.8-3.6 V
supply voltage range 1.65 V 1.8 V 3.6 V ripple max. 50mVpp
operating temperature -40 °C 25 °C 85 °C operational
standby current — 2 µA —
sample rate — — 200 Hz osrs_t = osrs_p = 1; See chapter 3.9
03 — Alternatives

Closest matches to BMP388

BME280 20.0× lower standby current, 1.1× lower quiescent current, 1.1× lower sample rate
BMP180 20.0× lower standby current, 1.5× higher quiescent current, 1.4× higher supply voltage range
MAX31820MCR+ 2.7× lower standby current, 1.9× higher supply voltage range, 1.4× higher operating temperature
SHT30-DIS 10.0× lower quiescent current, 10.0× lower standby current, 1.8× higher supply voltage range
DS18B20 2.7× lower standby current, 2.2× higher supply voltage range, 1.4× higher operating temperature
LMT87 2.7× higher quiescent current, 2.7× higher standby current, 2.3× higher supply voltage range
LMT87DCKR 2.7× higher quiescent current, 2.7× higher standby current, 2.3× higher supply voltage range
LM50 4.0× higher supply voltage range, 1.7× higher operating temperature
04 — FAQ

Frequently asked questions

What is the operating temperature of the BMP388?

The operating temperature is 25 °C under operational conditions.

What is the quiescent current of the BMP388?

The quiescent current is 2 µA when VDD = VDDIO1.8-3.6 V.

What is the sample rate when osrs_t = osrs_p = 1?

The sample rate is 200 Hz.

What is the standby current of the BMP388?

The standby current is 2 µA.

What is the supply voltage range for the BMP388 with a ripple max of 50mVpp?

The supply voltage range is 1.8 V.

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