參數(shù)資料
型號(hào)： AS3930-BTST
廠商： AUSTRIAMICROSYSTEMS AG
元件分類： 微波射頻器件
英文描述： Low Frequency Wake-up Receiver; Package Type: TSSOP-16; Temperature Range: -40 - +85 °C; Supply Voltage: 2,40-3,60
封裝： TSSOP-16
文件頁(yè)數(shù)： 3/32頁(yè)
文件大?。?/td> 484K
代理商： AS3930-BTST
www.ams.com/LF-Receiver/AS3930
Revision 1.5
3 - 32
AS3930
Datasheet - Contents
Contents
1 General Description..................................................................................................................................................................
1
2 Key Features.............................................................................................................................................................................
1
3 Applications...............................................................................................................................................................................
1
4 Pin Assignments.......................................................................................................................................................................
4
4.1 16-pin TSSOP......................................................................................................................................................................................
4
4.1.1 Pin Descriptions........................................................................................................................................................................... 4
4.2 QFN 4x4 16 LD.....................................................................................................................................................................................
5
4.2.1 Pin Descriptions........................................................................................................................................................................... 5
5 Absolute Maximum Ratings......................................................................................................................................................
6
6 Electrical Characteristics...........................................................................................................................................................
7
7 Typical Operating Characteristics.............................................................................................................................................
9
8 Detailed Description................................................................................................................................................................
10
8.1 Operating Modes................................................................................................................................................................................
11
8.1.1 Power Down Mode .................................................................................................................................................................... 11
8.1.2 Listening Mode .......................................................................................................................................................................... 11
8.1.3 Preamble Detection / Pattern Correlation.................................................................................................................................. 11
8.1.4 Data Receiving .......................................................................................................................................................................... 12
8.2 System and Block Specification.........................................................................................................................................................
12
8.2.1 Main Logic and SDI ................................................................................................................................................................... 12
8.2.2 Serial Data Interface (SDI)......................................................................................................................................................... 14
8.2.3 SDI Timing................................................................................................................................................................................. 17
8.3 Channel Amplifier and Frequency Detector........................................................................................................................................
18
8.3.1 Frequency Detector / AGC ........................................................................................................................................................ 18
8.3.2 Antenna Damper........................................................................................................................................................................ 19
8.4 Demodulator / Data Slicer ..................................................................................................................................................................
19
8.5 Correlator............................................................................................................................................................................................
20
8.6 Wake-up Protocol - Carrier Frequency 125 kHz.................................................................................................................................
22
8.6.1 Without Pattern Detection.......................................................................................................................................................... 22
8.6.2 Single Pattern Detection............................................................................................................................................................ 23
8.7 False Wake-up Register.....................................................................................................................................................................
24
8.8 Real Time Clock (RTC).......................................................................................................................................................................
25
8.8.1 Crystal Oscillator........................................................................................................................................................................ 26
8.8.2 RC-Oscillator ............................................................................................................................................................................. 26
8.8.3 External Clock Source............................................................................................................................................................... 27
9 Package Drawings and Markings...........................................................................................................................................
28
10 Ordering Information.............................................................................................................................................................
31
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