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HV110-SM02-R Datasheet(PDF) 6 Page - Superior Sensors Technology.

Part # HV110-SM02-R
Description  Differential Low Pressure Sensors HVAC Applications
PDF  17 Pages
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Manufacturer  SUPERIOR-SENSORS [Superior Sensors Technology.]
Direct Link  https://superiorsensors.com/
Logo SUPERIOR-SENSORS - Superior Sensors Technology.

HV110-SM02-R Datasheet(HTML) 6 Page - Superior Sensors Technology.

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HV Series
Differential Low Pressure Sensors 
www.SuperiorSensors.com 
6 
DS‐0001G.DOCX 
8.2 Material Compliance
Parameter 
Sym 
HV110 / HV120 /HV160/ HV210 
Units 
Notes 
RoHS 
REGRoHS 
RoHS Compliant  
 
REACH 
REGREAC
REACH Compliant  
 
9 System Overview
The HV Series pressure sensor is a fully integrated pressure acquisition system in a sensor module. The acquisition system includes 
anti‐alias  filters,  data  acquisition,  50/60Hz  notch  filter,  sensor  compensation,  bandwidth  limiting  and  I/O  functions.  Refer  to  the 
figure below for the HV Series block diagram.  
Pressure
Sensor
Δ‐Sigma 
Modulator
Δ‐Sigma
Modulator
SAR ADC
SAR ADC
Decimation
4
50/60Hz
Notch
(Sinc
2)
4
26 Term 
Compensation 
Coefficients
4
SPI/I
2C 
Interface
Va
T
o
Vs
MCU
DAV
nRST
Rate Control
User Control Registers
Mode Control
1b
Enable
3b
BW 
Control
3b
Range 
Control
BW Limit
IIR
(2
nd Order)
Compensation
FPU with
Linearization
Anti‐Alias 
Filter
Rate 
Controller
HW 
Interface
Anti‐Alias 
Filter
MISO/SDA
MOSI/SCL
SCK
nSS
There are also two user controlled registers that tune the sensor to the specific user requirements.  The first register is the Mode 
Control  register  that  determines  the  output  pressure  range,  the  corner  frequency  of  the  bandwidth  limiting  filter  and  enables  or 
disables the 50/60Hz notch filter. 
The  second  register  is  the  Rate  Control  register  which 
controls  the  rate  at  which  the  Data  Available  (DAV)  pin  is 
asserted.  The  internal  sensor  data  update  rate  is  111  Hz. 
This  is  generally  much  faster  than  the  requirements  of  an 
HVAC  transmitter  so  the  Rate  Control  register  will  throttle 
down  the  rate  at  which  the  Data  Available  pin  (DAV)  is 
asserted.  The  DAV  is  reset  upon  each  read  of  the  pressure 
sensor. An internal model of the Rate Controller is illustrated 
in the figure to the right. 
 
 
Rate Counter
Rate Control 
Register
S
R
Q
Overflow
Reload Value
Internal Update 
(111Hz Rate)
Data Read
DAV



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