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Description
The BH45B1225 is a multi-channel 24-bit Delta Sigma A/D converter which can transmit measurement data to other external MCUs using its I2C interface. It can therefore expand the measurement functionality of a wide range of high accuracy sensors, such as those designed for weight measurement, pressure measurement, temperature measurement and so on.
The average Effective Number of Bits (ENOB) of the BH45B1225 can be up to 19.4 bits. The device’s integrated temperature sensor has the advantages of low power consumption, good stability and small size. BH45B1225 is supplied in both 8-pin SOP and 16-pin NSOP package types.
NOTE
Select | Quantity | Discount | Unit price |
1-9 | - | US$1.87 | |
10-99 | 15% | US$1.59 | |
100-499 | 25% | US$1.40 | |
500+ | 35% | US$1.22 |
Features
Part Number | BH45B1225 |
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Internal clock | 4.91MHz |
Operating voltage | 2.4V - 5.5V |
ADC | 24-bit x 4 channels |
ENOB | 19.4@5V |
Data rate | 5Hz – 1.6kHz |
PGA | 1 - 128 |
Interface | I2C x 1 |
Operation temperature | -40°C to +85°C |
Package | 8SOP, 16NSOP |
Packing media | Tube |
Resources
IC: Holtek BH45B1225, Enhanced 24-Bit A/D Peripheral IC
Application Note: AN0585EN, 24-bit ADC PCB Layout Guide
HS Code (reference) | 8542.39.00.22-8 |
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