AS3935-BQFT ams, AS3935-BQFT Datasheet - Page 2
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AS3935-BQFT
Manufacturer Part Number
AS3935-BQFT
Description
Interface - Specialized
Manufacturer
ams
Datasheet
1.AS3935-BQFT.pdf
(27 pages)
Specifications of AS3935-BQFT
Rohs
yes
Operating Supply Voltage
2.4 V to 5.5 V
Supply Current
100 mA
Maximum Power Dissipation
0.1 W
Mounting Style
SMD/SMT
Package / Case
MLPQ-16
Supply Voltage - Max
5.5 V
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AS3935-BQFT
Manufacturer:
MAXIM
Quantity:
1 001
AS3935
Datasheet - C o n t e n t s
Contents
1 General Description ..................................................................................................................................................................
2 Key Features.............................................................................................................................................................................
3 Applications...............................................................................................................................................................................
4 Pin Assignments .......................................................................................................................................................................
5 Absolute Maximum Ratings ......................................................................................................................................................
6 Electrical Characteristics...........................................................................................................................................................
7 Typical Operating Characteristics .............................................................................................................................................
8 Detailed Description..................................................................................................................................................................
9 Package Drawings and Markings ...........................................................................................................................................
10 Ordering Information.............................................................................................................................................................
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4.1 Pin Descriptions...................................................................................................................................................................................
6.1 Operating Conditions...........................................................................................................................................................................
6.2 DC/AC Characteristics for Digital Inputs and Outputs .........................................................................................................................
6.3 Detailed System and Block Specification ............................................................................................................................................
8.1 Circuit ................................................................................................................................................................................................. 11
8.2 Operating Modes ................................................................................................................................................................................ 11
8.3 System and Block Specification ......................................................................................................................................................... 11
8.4 Serial Peripheral Interface (SPI)........................................................................................................................................................
8.5 I²C......................................................................................................................................................................................................
8.6 Voltage Regulator ..............................................................................................................................................................................
8.7 Analog Front-end (AFE) and Watchdog ............................................................................................................................................
8.8 Noise Floor Generator and Evaluation ..............................................................................................................................................
8.9 Lightning Algorithm ...........................................................................................................................................................................
8.10 Antenna Tuning ...............................................................................................................................................................................
8.11 Clock Generation .............................................................................................................................................................................
8.3.1 Register Table ........................................................................................................................................................................... 11
8.3.2 Register Table Description and Default Value........................................................................................................................... 12
8.4.1 SPI Command Structure............................................................................................................................................................ 14
8.4.2 Writing of Register Data............................................................................................................................................................. 15
8.4.3 Reading of Data from Addressable Registers (READ Mode) .................................................................................................... 15
8.4.4 Send Direct Command Byte ...................................................................................................................................................... 16
8.5.1 I²C Byte Write ............................................................................................................................................................................ 17
8.5.2 I²C Register Read ...................................................................................................................................................................... 18
8.5.3 Direct Command........................................................................................................................................................................ 18
8.9.1 Signal Validation ........................................................................................................................................................................ 20
8.9.2 Energy Calculation..................................................................................................................................................................... 21
8.9.3 Statistical Distance Estimation................................................................................................................................................... 21
8.9.4 Interrupt Management ............................................................................................................................................................... 22
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