BTM52 datasheet(3/24 Pages) BUDDIES

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BTM52 DATASHEET

CONTENT

INTRODUCTION................................................................................................................................. 4

1.1

BLOCK DIAGRAM................................................................................................................................. 4

1.2

FEATURES ............................................................................................................................................ 5

1.3

APPLICATIONS ..................................................................................................................................... 6

GENERAL SPECIFICATION ............................................................................................................ 7

PHYSICAL CHARACTERISTIC....................................................................................................... 8

3.1

Pin Description.................................................................................................................................... 9

REFERENCE SCHEMATIC ............................................................................................................ 13

PHYSICAL INTERFACE…………………………………………………………………………..14

5.1

POWER SUPPLY ................................................................................................................................... .14

5.2

Reset .................................................................................................................................................. .14

5.3

AUDIO INTERFACES.............................................................................................................................14

5.3.1

ADC ........................................................................................................................................... 15

5.3.2

ADC Sample Rate Selection and Warping................................................................................ 15

5.3.3

ADC Gain................................................................................................................................... 15

5.3.4

DAC ........................................................................................................................................... 15

5.3.5

DAC Sample Rate Selection and Warping................................................................................ 15

5.3.6

DAC Gain................................................................................................................................... 15

5.3.7

Mono Operation ......................................................................................................................... 15

5.3.8

Audio Input Stage....................................................................................................................... 16

5.3.9

Microphone Input ...................................................................................................................... ..16

5.3.10

Audio Output Stage .................................................................................................................... 16

5.2.11

PCM……………………………………………………………………………………………16

5.4

RF INTERFACE .................................................................................................................................... 17

5.5

GENERAL PURPOSE ANALOG IO ......................................................................................................... 17

5.6

GENERAL PURPOSE DIGITAL IO.......................................................................................................... 17

5.7

SERIAL INTERFACES............................................................................................................................ 17

5.7.1

UART ......................................................................................................................................... 17

5.7.2

USB ............................................................................................................................................ 17

5.7.3

SPI .............................................................................................................................................. 18

ELECTRICAL CHARACTERISTIC ............................................................................................... 19

6.1

ABSOLUTE MAXIMUM RATING ........................................................................................................... 19

6.2

RECOMMENDED OPERATING CONDITIONS .......................................................................................... 19

6.3

INPUT/OUTPUT TERMINAL CHARACTERISTICS .................................................................................... 19

6.3.1

Digital Terminals........................................................................................................................ 19

6.3.2

USB ............................................................................................................................................ 20

6.3.3

Internal CODEC - Analogue to Digital Converter .....................................................................20

6.3.4

Internal CODEC - Digital to Analogue Converter .....................................................................21

6.3.5

Microphone Input ....................................................................................................................... 21

6.3.6

Speaker Output ........................................................................................................................... 22

6.4

POWER CONSUMPTIONS....................................................................................................................... 22

RECOMMENDED TEMPERATURE REFLOW PROFILE......................................................... 23

PACKAGING INFORMATION ....................................................................................................... 24

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