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PDF HP01-JK Data sheet ( Hoja de datos )
| Número de pieza | HP01-JK | |
| Descripción | BAROMETER MODULE | |
| Fabricantes | HOPERF | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de HP01-JK (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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Hope RF
BAROMETER MODULE
HP01-JK
Version2.3
. Integrated pressure sensor
. Pressure Range 750-1100hpa
. 16 Bit Σ−Δ ADC
. I2C Serial Interface
. One system clock line (32768Hz)
. Low voltage, low power
Description
The HP01 pressure module includes a piezo-resistive pressure sensor and an ADC
interface. It provides 16 bit word data for pressure and temperature related voltage. HP01
is a low power, low voltage device with automatic power down switching. I2C Serial
Interface is used for communications with a microprocessor.
Features
. 14 Bit ENOB ADC resolution
. Supply voltage 2.2-3.6v
. -40° C to + 85° C operating range
Applications
. Pressure measurement and control systems
. Weather forecast products
Block Diagram
1
Free Datasheet http://www.datasheet4u.com/
1 page  
Hope RF
HP01-JK
BAROMETER MODULE
Version2.3
A (bold): I2C bus acknowledge by slave (SDA pull low: slave send out bit 0)
A: I2C bus acknowledge by master (SDA pull low: master send out bit 0)
N: I2C bus no acknowledge from master (SDA keep high: master send out bit 1 instead)
D : delay for 38ms or above
MSB: conversion result (MSB bit clocked out first)
LSB: conversion result (MSB bit clocked out first).
Remark:
Before start an AD conversion cycle, remember to set XCLR pin high so that the system
is no longer in the reset state (not valid for HP01).
All data read from the module is in hex format.
After first power on, the first read data should be disregarded, and only the second value
be used. This can assure that unstable reading after power on reset can be filtered out.
Like any other semiconductor device, the sensor is sensitive to light. During the
application of this sensor, please keep the sensor in dark place to achieve best accuracy.
Since the module is not calibrated for sensitivity and temperature, thus only relative pressure can be
calculated. If you need higher accuracy with temperature, please refer to our HP02 or HP03 series
pressure module accordingly.
Typical Application Circuit Diagram:
Remark：In the battery power supply product this application need be changed as:
32 KHz signal is outputted via the port of the MCU instead of the 32.768 KHz crystal to
MCLK pin. The MCU will not output 32 KHz signal and keep low level when the HP01
enter to standby mode.
5
Free Datasheet http://www.datasheet4u.com/
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet HP01-JK.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| HP01-JK | BAROMETER MODULE | HOPERF |
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