ADAU1701JSTZ Analog Devices Inc, ADAU1701JSTZ Datasheet - Page 2

• Manufacturer Part Number: ADAU1701JSTZ
• Description: IC AUDIO PROC 2ADC/4DAC 48-LQFP
• Manufacturer: Analog Devices Inc
• Series: SigmaDSP®r
• Type: Audio Processorr

Specifications of ADAU1701JSTZ

• Design Resources: Analog Audio Input, Class-D Output with ADAU1701, SSM2306, and ADP3336 (CN0162)
• Applications: Automotive, Monitors, MP3
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Audio Control Type: Digital
• Control Interface: I2C, Serial
• Supply Voltage Range: 1.8V, 3.3V
• Operating Temperature Range: 0°C To +70°C
• Audio Ic Case Style: LQFP
• No. Of Pins: 48
• Svhc: No SVHC
• Control / Process Application: MP3 Player Speaker Docks, Automotive Head Units, Studio Monitors
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: EVAL-ADAU1701MINIZ - BOARD EVAL SIGMADSP AUD ADAU1701EVAL-ADAU1701EBZ - BOARD EVAL FOR ADAU1701
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

ADAU1701
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Revision History ............................................................................... 3
Functional Block Diagram .............................................................. 4
Specifications..................................................................................... 5
Absolute Maximum Ratings.......................................................... 11
Pin Configuration and Function Descriptions........................... 12
Typical Performance Characteristics ........................................... 15
System Block Diagram ................................................................... 16
Theory of Operation ...................................................................... 17
Initialization .................................................................................... 18
Audio ADCs .................................................................................... 21
Audio DACs .................................................................................... 22
Control Ports................................................................................... 23
Signal Processing ............................................................................ 30
Analog Performance .................................................................... 5
Digital Input/Output.................................................................... 7
Power.............................................................................................. 7
Temperature Range ...................................................................... 7
PLL and Oscillator........................................................................ 7
Regulator........................................................................................ 8
Digital Timing Specifications ..................................................... 8
Thermal Resistance .................................................................... 11
ESD Caution................................................................................ 11
Power-Up Sequence ................................................................... 18
Control Registers Setup ............................................................. 18
Recommended Program/Parameter Loading Procedure ..... 18
Power Reduction Modes............................................................ 18
Using the Oscillator.................................................................... 19
Setting Master Clock/PLL Mode .............................................. 19
Voltage Regulator ....................................................................... 20
I
SPI Port ........................................................................................ 27
Self-Boot ...................................................................................... 28
Numeric Formats........................................................................ 30
Programming .............................................................................. 30
2
C Port ........................................................................................ 24
Rev. A | Page 2 of 56
RAMs and Registers....................................................................... 31
Control Register Map..................................................................... 33
Control Register Details ................................................................ 35
Multipurpose Pins .......................................................................... 46
Layout Recommendations............................................................. 49
Typical Application Schematics.................................................... 50
Outline Dimensions ....................................................................... 53
Address Maps.............................................................................. 31
Parameter RAM.......................................................................... 31
Data RAM ................................................................................... 31
Read/Write Data Formats ......................................................... 31
2048 to 2055 (0x0800 to 0x0807)—Interface Registers......... 35
2056 (0x0808)—GPIO Pin Setting Register ........................... 36
2057 to 2060 (0x0809 to 0x080C)—Auxiliary ADC Data
Registers....................................................................................... 37
2064 to 2068 (0x0810 to 0x0814)—Safeload Data Registers 38
2069 to 2073 (0x0815 to 0x819)—Safeload Address Registers
....................................................................................................... 38
2074 to 2075 (0x081A to 0x081B)—Data Capture Registers 39
2076 (0x081C)—DSP Core Control Register ......................... 40
2078 (0x081E)—Serial Output Control Register ................... 41
2079 (0x081F)—Serial Input Control Register....................... 42
2080 to 2081 (0x0820 to 0x0821)—Multipurpose Pin
Configuration Registers............................................................. 43
2082 (0x0822)—Auxiliary ADC and Power Control ............ 44
2084 (0x0824)—Auxiliary ADC Enable.................................. 44
2086 (0x0826)—Oscillator Power-Down................................ 44
2087 (0x0827)—DAC Setup...................................................... 45
Auxiliary ADC............................................................................ 46
General-Purpose Input/Output Pins....................................... 46
Serial Data Input/Output Ports ................................................ 46
Parts Placement .......................................................................... 49
Grounding ................................................................................... 49
Self-Boot Mode........................................................................... 50
I
SPI Control.................................................................................. 52
Ordering Guide .......................................................................... 53
2
C Control .................................................................................. 51