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CS42L51-CNZR Datenblatt(PDF) 3 Page - Cirrus Logic |
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CS42L51-CNZR Datenblatt(HTML) 3 Page - Cirrus Logic |
3 / 88 page DS679F1 3 CS42L51 TABLE OF CONTENTS 1. PIN DESCRIPTIONS - SOFTWARE (HARDWARE) MODE .................................................................. 7 1.1 Digital I/O Pin Characteristics ........................................................................................................... 9 2. TYPICAL CONNECTION DIAGRAMS .................................................................................................10 3. CHARACTERISTIC AND SPECIFICATION TABLES ......................................................................... 12 SPECIFIED OPERATING CONDITIONS ............................................................................................. 12 ABSOLUTE MAXIMUM RATINGS .......................................................................................................12 ANALOG INPUT CHARACTERISTICS (COMMERCIAL - CNZ) .......................................................... 13 ANALOG INPUT CHARACTERISTICS (AUTOMOTIVE - DNZ) .......................................................... 14 ADC DIGITAL FILTER CHARACTERISTICS ....................................................................................... 15 ANALOG OUTPUT CHARACTERISTICS (COMMERCIAL - CNZ) ...................................................... 16 ANALOG OUTPUT CHARACTERISTICS (AUTOMOTIVE - DNZ) ...................................................... 17 LINE OUTPUT VOLTAGE CHARACTERISTICS ................................................................................. 18 HEADPHONE OUTPUT POWER CHARACTERISTICS ...................................................................... 19 COMBINED DAC INTERPOLATION & ON-CHIP ANALOG FILTER RESPONSE .............................. 20 SWITCHING SPECIFICATIONS - SERIAL PORT ............................................................................... 20 SWITCHING SPECIFICATIONS - I²C® CONTROL PORT .................................................................. 22 SWITCHING CHARACTERISTICS - SPI™ CONTROL PORT ............................................................ 23 DC ELECTRICAL CHARACTERISTICS .............................................................................................. 24 DIGITAL INTERFACE SPECIFICATIONS & CHARACTERISTICS ..................................................... 24 POWER CONSUMPTION .................................................................................................................... 25 4. APPLICATIONS ................................................................................................................................... 26 4.1 Overview ......................................................................................................................................... 26 4.1.1 Architecture ........................................................................................................................... 26 4.1.2 Line & MIC Inputs .................................................................................................................. 26 4.1.3 Line & Headphone Outputs ................................................................................................... 26 4.1.4 Signal Processing Engine ..................................................................................................... 26 4.1.5 Beep Generator ..................................................................................................................... 26 4.1.6 Device Control (Hardware or Software Mode) ...................................................................... 26 4.1.7 Power Management .............................................................................................................. 26 4.2 Hardware Mode .............................................................................................................................. 27 4.3 Analog Inputs ................................................................................................................................. 28 4.3.1 Digital Code, Offset & DC Measurement ............................................................................... 28 4.3.2 High-Pass Filter and DC Offset Calibration ........................................................................... 29 4.3.3 Digital Routing ....................................................................................................................... 29 4.3.4 Differential Inputs .................................................................................................................. 29 4.3.4.1 External Passive Components ................................................................................... 29 4.3.5 Analog Input Multiplexer ........................................................................................................ 31 4.3.6 MIC & PGA Gain ................................................................................................................... 31 4.3.7 Automatic Level Control (ALC) .............................................................................................. 32 4.3.8 Noise Gate ............................................................................................................................ 33 4.4 Analog Outputs ............................................................................................................................... 34 4.4.1 De-Emphasis Filter ................................................................................................................ 34 4.4.2 Volume Controls .................................................................................................................... 35 4.4.3 Mono Channel Mixer ............................................................................................................. 35 4.4.4 Beep Generator ..................................................................................................................... 35 4.4.5 Tone Control .......................................................................................................................... 36 4.4.6 Limiter .................................................................................................................................... 36 4.4.7 Line-Level Outputs and Filtering ........................................................................................... 37 4.4.8 On-Chip Charge Pump .......................................................................................................... 38 4.5 Serial Port Clocking ........................................................................................................................ 38 4.5.1 Slave ..................................................................................................................................... 39 4.5.2 Master ................................................................................................................................... 39 |
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