BH45B1525
BH45B1525 is 24-Bit A/D Peripheral manufactured by Holtek Semiconductor.
Features
- Wide operating voltage: 2.7V~5.5V
- Internal Programmable Gain Amplifier
- Integrated serial interface module, including I2C and
SPI interfaces, for external munication
- A/D Converter output data rate: 10Hz~1.28k Hz
- Internal temperature sensor for pensation
- Package type: 20-pin SSOP
Applications
- Instrumentation
- Health Monitoring Equipment
- Precision Sensing
General Description
The BH45B1525 is a multi-channel 24-bit Delta Sigma A/D converter which includes programmable gain amplifier (PGA) functions and is designed for applications that interface differentially to analog signals. The device has the benefits of low noise and high accuracy and municates with external hardware using internal I2C or SPI bus. This highly functionally integrated Delta Sigma analog to digital converter with its high accuracy and low power specifications offers a superior solution for interfacing to external sensors especially for battery powered applications.
Pin Assignment
AVDD AVSS VREFN VREFP
AN0 AN1 AN2 AN3 CAPN CAPP
BH45B1525 20 SSOP-A
OSC1 OSC2 DRDYB I2CSB VDD VSS SCK/SCL SDI/SDA SDO/I2CA1 SCS/I2CA0
Rev....
