ZHCSFY2B
August 2015 – February 2019
TAS2555
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
简化原理图
4
修订历史记录
5
Device Comparison Table
6
Pin Configuration and Functions
Pin Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
I2C Timing Requirements
7.7
SPI Timing Requirements
7.8
I2S/LJF/RJF Timing in Master Mode
7.9
I2S/LJF/RJF Timing in Slave Mode
7.10
DSP Timing in Master Mode
7.11
DSP Timing in Slave Mode
7.12
Typical Characteristics
8
Parameter Measurement Information
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
General I2C Operation
9.3.2
Single-Byte and Multiple-Byte Transfers
9.3.3
Single-Byte Write
9.3.4
Multiple-Byte Write and Incremental Multiple-Byte Write
9.3.5
Single-Byte Read
9.3.6
Multiple-Byte Read
9.3.7
General SPI Operation
9.3.8
Class-D Edge Rate Control
9.3.9
Battery Tracking AGC
9.3.10
Configurable Boost Current Limit (ILIM)
9.3.10.1
Fault Protection
9.3.10.1.1
OverCurrent
9.3.10.1.2
Analog Undervoltage
9.3.10.1.3
Overtemperature
9.3.10.1.4
Clocking Faults
9.3.10.2
Brownout
9.3.10.3
Spread Spectrum vs Synchronized
9.3.10.4
IRQs and Flags
9.3.10.5
Software Reset
9.3.10.6
PurePath Console 3 Software TAS2555 Application
9.4
Device Functional Modes
9.4.1
Audio Digital I/O Interface
9.4.1.1
Right-Justified Mode (RJF)
9.4.1.2
Left-Justified Mode (LJF)
9.4.1.3
I2S Mode
9.4.1.4
DSP Mode
9.4.2
TDM Mode
9.4.3
Device Digital Processing Modes
9.4.3.1
ROM Mode 1
9.4.3.2
ROM Mode 2
9.4.3.3
SmartAmp Mode
9.4.4
Low Power Sleep Mode
9.5
Programming
9.5.1
Code Loading and CRC check
9.5.2
Device Power Up, Power Down, Mute and Un-mute Sequence
10
Application and Implementation
10.1
Application Information
10.2
Typical Applications
10.2.1
Design Requirements
10.2.1.1
Detailed Design Procedure
10.2.1.1.1
Mono/Stereo Configuration
10.2.1.1.2
Boost Converter Passive Devices
10.2.1.1.3
EMI Passive Devices
10.2.1.1.4
Miscellaneous Passive Devices
10.2.2
Application Performance Plots
10.3
Initialization Set Up
11
Power Supply Recommendations
11.1
Power Supplies
11.2
Power Supply Sequencing
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
Register Map
13.1
Register Map Summary
13.2
Book 0 Page 0
13.2.1
Book 0 / Page 0 / Register 0: Page Select Register - 0x00 / 0x00 / 0x00 (B0_P0_R0)
13.2.2
Book 0 / Page 0 / Register 1: Software Reset Register - 0x00 / 0x00 / 0x01 (B0_P0_R1)
13.2.3
Book 0 / Page 0 / Register 2-3: Reserved Registers - 0x00 / 0x00 / 0x02-0x03 (B0_P0_R2-3)
13.2.4
Book 0 / Page 0 / Register 4: Power Control Register - 0x00 / 0x00 / 0x04 (B0_P0_R4)
13.2.5
Book 0 / Page 0 / Register 5: Power Control Register 2 - 0x00 / 0x00 / 0x05 (B0_P0_R5)
13.2.6
Book 0 / Page 0 / Register 6: Speaker Control Register - 0x00 / 0x00 / 0x06 (B0_P0_R6)
13.2.7
Book 0 / Page 0 / Register 7: Mute Register - 0x00 / 0x00 / 0x07 (B0_P0_R7)
13.2.8
Book 0 / Page 0 / Register 8: Channel Control Register - 0x00 / 0x00 / 0x08 (B0_P0_R8)
13.2.9
Book 0 / Page 0 / Register 9-31: Reserved Registers - 0x00 / 0x00 / 0x09-0x1F (B0_P0_R9-31)
13.2.10
Book 0 / Page 0 / Register 32: CRC Checksum Register - 0x00 / 0x00 / 0x20 (B0_P0_R32)
13.2.11
Book 0 / Page 0 / Register 33: Checksum Reset Register - 0x00 / 0x00 / 0x21 (B0_P0_R33)
13.2.12
Book 0 / Page 0 / Register 34: Device DSP Mode Register - 0x00 / 0x00 / 0x22 (B0_P0_R34)
13.2.13
Book 0 / Page 0 / Register 35-39: Reserved Registers - 0x00 / 0x00 / 0x23-0x27 (B0_P0_R35-R39)
13.2.14
Book 0 / Page 0 / Register 40: Class-D SSM Mode Register - 0x00 / 0x00 / 0x28 (B0_P0_R40)
13.2.15
Book 0 / Page 0 / Register 41: Reserved Registers - 0x00 / 0x00 / 0x29 (B0_P0_R41)
13.2.16
Book 0 / Page 0 / Register 42: Digital Playback Control Register - 0x00 / 0x00 / 0x2A (B0_P0_R42)
13.2.17
Book 0 / Page 0 / Register 43: Current Limit Register - 0x00 / 0x00 / 0x2B (B0_P0_R43)
13.2.18
Book 0 / Page 0 / Register 44: Clock Error Control 1 Register - 0x00 / 0x00 / 0x2C (B0_P0_R44)
13.2.19
Book 0 / Page 0 / Register 45: Clock Error Control 2 Register - 0x00 / 0x00 / 0x2D (B0_P0_R45)
13.2.20
Book 0 / Page 0 / Register 46: Clock Error Control 3 Register - 0x00 / 0x00 / 0x2E (B0_P0_R46)
13.2.21
Book 0 / Page 0 / Register 47-99: Reserved Registers - 0x00 / 0x00 / 0x2F-0x63 (B0_P0_R47-R99)
13.2.22
Book 0 / Page 0 / Register 100: Power Up Flag Register - 0x00 / 0x00 / 0x64 (B0_P0_R100)
13.2.23
Book 0 / Page 0 / Register 101-103: Reserved Registers - 0x00 / 0x00 / 0x65-0x67 (B0_P0_R101-R103)
13.2.24
Book 0 / Page 0 / Register 104: Interrupt Flags DAC & OCP/OTP Sticky Register - 0x00 / 0x00 / 0x68 (B0_P0_R104)
13.2.25
Book 0 / Page 0 / Register 105-107: Reserved Registers - 0x00 / 0x00 / 0x69-0x6B (B0_P0_R105-R107)
13.2.26
Book 0 / Page 0 / Register 108: DSP Interrupt Output Sticky Register - 0x00 / 0x00 / 0x6C (B0_P0_R108)
13.2.27
Book 0 / Page 0 / Register 109-120: Reserved Registers - 0x00 / 0x00 / 0x6D-0x78 (B0_P0_R109-R120)
13.2.28
Book 0 / Page 0 / Register 121: Power Modes Register - 0x00 / 0x00 / 0x79 (B0_P0_R121)
13.2.29
Book 0 / Page 0 / Register 122-126: Reserved Registers - 0x00 / 0x00 / 0x7A-0x7E (B0_P0_R122-R126)
13.2.30
Book 0 / Page 0 / Register 127: Book Selection Register - 0x00 / 0x00 / 0x7F (B0_P0_R127)
13.3
Book 0 Page 1
13.3.1
Book 0 / Page 1 / Register 0: Page Select Register - 0x00 / 0x01 / 0x00 (B0_P1_R0)
13.3.2
Book 0 / Page 1 / Register 1: ASI1 DAC Format Register - 0x00 / 0x01 / 0x01 (B0_P1_R1)
13.3.3
Book 0 / Page 1 / Register 2: ASI1 ADC Format Register - 0x00 / 0x01 / 0x02 (B0_P1_R2)
13.3.4
Book 0 / Page 1 / Register 3: ASI1 Offset Register - 0x00 / 0x00 / 0x03 (B0_P1_R3)
13.3.5
Book 0 / Page 1 / Register 4-6: Reserved Registers - 0x00 / 0x01 / 0x04-0x06 (B0_P1_R4-6)
13.3.6
Book 0 / Page 1 / Register 7: ASI1 ADC Path Register - 0x00 / 0x01 / 0x07 (B0_P1_R7)
13.3.7
Book 0 / Page 1 / Register 8: ASI1 DAC BCLK Register - 0x00 / 0x01 / 0x08 (B0_P1_R8)
13.3.8
Book 0 / Page 1 / Register 9: ASI1 DAC WCLK Register - 0x00 / 0x01 / 0x09 (B0_P1_R9)
13.3.9
Book 0 / Page 1 / Register 10: ASI1 ADC BCLK Register - 0x00 / 0x01 / 0x0A (B0_P1_R10)
13.3.10
Book 0 / Page 1 / Register 11: ASI1 ADC WCLK Register - 0x00 / 0x01 / 0x0B (B0_P1_R11)
13.3.11
Book 0 / Page 1 / Register 12: ASI1 DIN/DOUT MUX Register - 0x00 / 0x01 / 0x0C (B0_P1_R12)
13.3.12
Book 0 / Page 1 / Register 13: ASI1 BDIV Clock Select Register - 0x00 / 0x01 / 0x0D (B0_P1_R13)
13.3.13
Book 0 / Page 1 / Register 14: ASI1 BDIV Clock Ratio Register - 0x00 / 0x01 / 0x0E (B0_P1_R14)
13.3.14
Book 0 / Page 1 / Register 15: ASI1 WDIV Clock Ratio Register - 0x00 / 0x01 / 0x0F (B0_P1_R15)
13.3.15
Book 0 / Page 1 / Register 16: ASI1 DAC Clock Output Register - 0x00 / 0x01 / 0x10 (B0_P1_R16)
13.3.16
Book 0 / Page 1 / Register 17: ASI1 ADC Clock Output Register - 0x00 / 0x01 / 0x11 (B0_P1_R17)
13.3.17
Book 0 / Page 1 / Register 18-20: Reserved Registers - 0x00 / 0x01 / 0x12-0x14 (B0_P1_R18-20)
13.3.18
Book 0 / Page 1 / Register 21: ASI2 DAC Format Register - 0x00 / 0x01 / 0x15 (B0_P1_R21)
13.3.19
Book 0 / Page 1 / Register 22: ASI2 ADC Format Register - 0x00 / 0x01 / 0x16 (B0_P1_R22)
13.3.20
Book 0 / Page 1 / Register 23: ASI2 Offset Register - 0x00 / 0x01 / 0x17 (B0_P1_R23)
13.3.21
Book 0 / Page 1 / Register 24-26: Reserved Registers - 0x00 / 0x01 / 0x18-0x1A (B0_P1_R24-26)
13.3.22
Book 0 / Page 1 / Register 27: ASI2 ADC Path Register - 0x00 / 0x01 / 0x1B (B0_P1_R27)
13.3.23
Book 0 / Page 1 / Register 28: ASI2 DAC BCLK Register - 0x00 / 0x01 / 0x1C (B0_P1_R28)
13.3.24
Book 0 / Page 1 / Register 29: ASI2 DAC WCLK Register - 0x00 / 0x01 / 0x1D (B0_P1_R29)
13.3.25
Book 0 / Page 1 / Register 30: ASI2 ADC BCLK Register - 0x00 / 0x01 / 0x1E (B0_P1_R30)
13.3.26
Book 0 / Page 1 / Register 31: ASI2 ADC WCLK Register - 0x00 / 0x01 / 0x1F (B0_P1_R31)
13.3.27
Book 0 / Page 1 / Register 32: ASI2 DIN/DOUT MUX - 0x00 / 0x01 / 0x20 (B0_P1_R32)
13.3.28
Book 0 / Page 1 / Register 33: ASI2 BDIV Clock Select Register - 0x00 / 0x01 / 0x21 (B0_P1_R33)
13.3.29
Book 0 / Page 1 / Register 34: ASI2 BDIV Clock Ratio Register - 0x00 / 0x01 / 0x22 (B0_P1_R34)
13.3.30
Book 0 / Page 1 / Register 35: ASI2 WDIV Clock Ratio Register - 0x00 / 0x01 / 0x23 (B0_P1_R35)
13.3.31
Book 0 / Page 1 / Register 36: ASI2 DAC Clock Output Register - 0x00 / 0x01 / 0x24 (B0_P1_R36)
13.3.32
Book 0 / Page 1 / Register 37: ASI2 ADC Clock Output Register - 0x00 / 0x01 / 0x25 (B0_P1_R37)
13.3.33
Book 0 / Page 1 / Register 38-60: Reserved Registers - 0x00 / 0x01 / 0x26-0x3C (B0_P1_R38-60)
13.3.34
Book 0 / Page 1 / Register 61: BCLK1_GPIO1 Pin Register - 0x00 / 0x01 / 0x3D (B0_P1_R61)
13.3.35
Book 0 / Page 1 / Register 62: WCLK1_GPIO2 Pin Register - 0x00 / 0x01 / 0x3E (B0_P1_R62)
13.3.36
Book 0 / Page 1 / Register 63: DOUT1_GPIO3 Pin Register - 0x00 / 0x01 / 0x3F (B0_P1_R63)
13.3.37
Book 0 / Page 1 / Register 64: IRQ_GPIO4 Pin Register - 0x00 / 0x01 / 0x40 (B0_P1_R64)
13.3.38
Book 0 / Page 1 / Register 65: BCLK2_GPIO5 Pin Register - 0x00 / 0x01 / 0x41 (B0_P1_R65)
13.3.39
Book 0 / Page 1 / Register 66: WCLK2_GPIO6 Pin Register - 0x00 / 0x01 / 0x42 (B0_P1_R66)
13.3.40
Book 0 / Page 1 / Register 67: DOUT2_GPIO7 Pin Register - 0x00 / 0x01 / 0x43 (B0_P1_R67)
13.3.41
Book 0 / Page 1 / Register 68: DIN2_GPIO8 Pin Register - 0x00 / 0x01 / 0x44 (B0_P1_R68)
13.3.42
Book 0 / Page 1 / Register 69: ICC_GPIO9 Pin(ICC_CLK) Register - 0x00 / 0x01 / 0x45 (B0_P1_R69)
13.3.43
Book 0 / Page 1 / Register 70: ICC_GPIO10 Pin Register - 0x00 / 0x01 / 0x46 (B0_P1_R70)
13.3.44
Book 0 / Page 1 / Register 71-76: Reserved Registers - 0x00 / 0x01 / 0x47-0x4C (B0_P1_R71-76)
13.3.45
Book 0 / Page 1 / Register 77: GPI Pins Register - 0x00 / 0x01 / 0x4D (B0_P1_R77)
13.3.46
Book 0 / Page 1 / Register 78: Reserved Register - 0x00 / 0x01 / 0x4E (B0_P1_R78)
13.3.47
Book 0 / Page 1 / Register 79: GPIO HIZ CTRL1 Register - 0x00 / 0x01 / 0x4F (B0_P1_R79)
13.3.48
Book 0 / Page 1 / Register 80: GPIO HIZ CTRL2 Register - 0x00 / 0x01 / 0x50 (B0_P1_R80)
13.3.49
Book 0 / Page 1 / Register 81: GPIO HIZ CTRL3 Register - 0x00 / 0x01 / 0x51 (B0_P1_R81)
13.3.50
Book 0 / Page 1 / Register 82: GPIO HIZ CTRL4 Register - 0x00 / 0x01 / 0x52 (B0_P1_R82)
13.3.51
Book 0 / Page 1 / Register 83: GPIO HIZ CTRL3 Register - 0x00 / 0x01 / 0x53 (B0_P1_R83)
13.3.52
Book 0 / Page 1 / Register 84-86: Reserved Registers - 0x00 / 0x01 / 0x54-0x56 (B0_P1_R84-86)
13.3.53
Book 0 / Page 1 / Register 87: GPIO Pin 1 Register - 0x00 / 0x01 / 0x57 (B0_P1_R87)
13.3.54
Book 0 / Page 1 / Register 88: GPIO Pin 2 Register - 0x00 / 0x01 / 0x58 (B0_P1_R88)
13.3.55
Book 0 / Page 1 / Register 89: GPIO Pin 3 Register - 0x00 / 0x01 / 0x59 (B0_P1_R89)
13.3.56
Book 0 / Page 1 / Register 90-107: Reserved Registers - 0x00 / 0x01 / 0x5A-0x6B (B0_P1_R84-86)
13.3.57
Book 0 / Page 1 / Register 108: Interrupt Control 1 Register - 0x00 / 0x01 / 0x6C (B0_P1_R108)
13.3.58
Book 0 / Page 1 / Register 109: Interrupt Control 2 Register - 0x00 / 0x01 / 0x6D (B0_P1_R109)
13.3.59
Book 0 / Page 1 / Register 110: Interrupt Control 3 Register - 0x00 / 0x01 / 0x6E (B0_P1_R110)
13.3.60
Book 0 / Page 1 / Register 111: Interrupt Control 4 Register - 0x00 / 0x01 / 0x6F (B0_P1_R111)
13.3.61
Book 0 / Page 1 / Register 112: Interrupt Control 5 Register - 0x00 / 0x01 / 0x70 (B0_P1_R112)
13.3.62
Book 0 / Page 1 / Register 113: Interrupt Control 6 Register - 0x00 / 0x01 / 0x71 (B0_P1_R113)
13.3.63
Book 0 / Page 1 / Register 114-127: Reserved Register - 0x00 / 0x01 / 0x72-0x7F (B0_P1_R127)
13.4
Book 0 Page 2
13.4.1
Book 0 / Page 2 / Register 0: Page Select Register - 0x00 / 0x02 / 0x00 (B0_P0_R0)
13.4.2
Book 0 / Page 2 / Register 1-5: Reserved Register - 0x00 / 0x02 / 0x01-0x05 (B0_P1_R1-5)
13.4.3
Book 0 / Page 2 / Register 6: Ramp Generator Frequency Register - 0x00 / 0x02 / 0x06 (B0_P2_R6)
13.4.4
Book 0 / Page 2 / Register 7-23: Reserved Register - 0x00 / 0x02 / 0x07-0x17 (B0_P1_R7-23)
13.4.5
Book 0 / Page 2 / Register 24: Inrush Optimization 1 Register - 0x00 / 0x02 / 0x18 (B0_P2_R24)
13.4.6
Book 0 / Page 2 / Register 25: Inrush Optimization 2 Register - 0x00 / 0x02 / 0x19 (B0_P2_R25)
13.4.7
Book 0 / Page 2 / Register 26: Inrush Optimization 3 Register - 0x00 / 0x02 / 0x1A (B0_P2_R25)
13.4.8
Book 0 / Page 2 / Register 27: Inrush Optimization 4 Register - 0x00 / 0x02 / 0x1B (B0_P2_R25)
13.4.9
Book 0 / Page 2 / Register 28-127: Reserved Register - 0x00 / 0x02 / 0x1C-0x7F (B0_P1_R28-127)
13.5
Book 100 Page 0
13.5.1
Book 100 / Page 0 / Register 0: Page Select Register - 0x64 / 0x00 / 0x00 (B100_P0_R0)
13.5.2
Book 100 / Page 0 / Register 1: DAC Interpolation Register - 0x64 / 0x00 / 0x01 (B100_P0_R1)
13.5.3
Book 100 / Page 0 / Register 2: ADC interpolation Register - 0x64 / 0x00 / 0x01 (B100_P0_R1)
13.5.4
Book 100 / Page 0 / Register 3-6: Reserved Register - 0x64 / 0x00 / 0x03-0x06 (B100_P0_R3-6)
13.5.5
Book 100 / Page 0 / Register 7: DSP Mute Register - 0x64 / 0x00 / 0x07 (B100_P0_R7)
13.5.6
Book 100 / Page 0 / Register 8-15: Reserved Register - 0x64 / 0x00 / 0x08-0x0F (B100_P0_R8-15)
13.5.7
Book 100 / Page 0 / Register 16: Interrupt 1 DSP Register - 0x64 / 0x00 / 0x10 (B100_P0_R16)
13.5.8
Book 100 / Page 0/ Register 17: Interrupt 2 DSP Register - 0x64 / 0x00 / 0x11 (B100_P0_R17)
13.5.9
Book 100 / Page 0 / Register 18: Condition 1 DSP Register - 0x64 / 0x00 / 0x12 (B100_P0_R18)
13.5.10
Book 100/ Page 0 / Register 19: Condition 2 DSP Register - 0x64 / 0x00 / 0x13 (B100_P0_R19)
13.5.11
Book 100 / Page 0 / Register 20: ISR and COND Control Register - 0x64 / 0x00 / 0x14 (B100_P0_R20)
13.5.12
Book 100 / Page 0/ Register 21: DSP Control Register - 0x64 / 0x00 / 0x15 (B100_P0_R21)
13.5.13
Book 100 / Page 0 / Register 22-26: Reserved Register - 0x64 / 0x00 / 0x16-0x1A (B100_P0_R22-26)
13.5.14
Book 100 / Page 0 / Register 27:PLL CLKIN Divider Register - 0x64 / 0x00 / 0x1B (B100_P0_R27)
13.5.15
Book 100 / Page 0 / Register 28:PLL J-VAL Divider Register - 0x64 / 0x00 / 0x1C (B100_P0_R28)
13.5.16
Book 100 / Page 0 / Register 29:PLL D-VAL Divider 2 Register - 0x64 / 0x00 / 0x1D (B100_P0_R29)
13.5.17
Book 100 / Page 0 / Register 30:PLL D-VAL Divider 1 Register - 0x64 / 0x00 / 0x1E (B100_P0_R30)
13.5.18
Book 100 / Page 0 / Register 31:DSP Clock Register - 0x64 / 0x00 / 0x1F (B100_P0_R31)
13.5.19
Book 100 / Page 0 / Register 32: N-VAL Divider Register - 0x64 / 0x00 / 0x20 (B100_P0_R32)
13.5.20
Book 100 / Page 0 / Register 33: MDAC-VAL Divider Register - 0x64 / 0x00 / 0x21 (B100_P0_R33)
13.5.21
Book 100 / Page 0 / Register 34: MADC-VAL Divider Register - 0x64 / 0x00 / 0x22 (B100_P0_R34)
13.5.22
Book 100 / Page 0 / Register 35-37: Reserved Register - 0x64 / 0x00 / 0x23-0x25 (B100_P0_R35-37)
13.5.23
Book 100 / Page 0 / Register 38: Charge-pump Clock Register - 0x64 / 0x00 / 0x26 (B100_P0_R38)
13.5.24
Book 100 / Page 0 / Register 39: Boost Clock Register - 0x64 / 0x00 / 0x27 (B100_P0_R39)
13.5.25
Book 100 / Page 0 / Register 40: Ramp Clock 1 Register - 0x64 / 0x00 / 0x28 (B100_P0_R40)
13.5.26
Book 100 / Page 0 / Register 41-42: Reserved Register - 0x64 / 0x00 / 0x29-0x2A (B100_P0_R41-42)
13.5.27
Book 100 / Page 0 / Register 43: Ramp Clock 2 Register - 0x64 / 0x00 / 0x2B (B100_P0_R43)
13.5.28
Book 100 / Page 0 / Register 44: Ramp Clock 3 Register - 0x64 / 0x00 / 0x2C (B100_P0_R44)
13.5.29
Book 100 / Page 0/ Register 45-126: Reserved Register - 0x64 / 0x01 / 0x2D-0x7E (B100_P0_R45-126)
13.5.30
Book 100 / Page 0 / Register 127: Book Selection Register - 0x64 / 0x00 / 0x7F (B100_P0_R127)
14
器件和文档支持
14.1
文档支持
14.2
社区资源
14.3
商标
14.4
静电放电警告
14.5
术语表
15
机械、封装和可订购信息
15.1
封装尺寸
封装选项
请参考 PDF 数据表获取器件具体的封装图。
机械数据 (封装 | 引脚)
YZ|42
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcsfy2b_oa
zhcsfy2b_pm
1
特性
超低噪声单声道升压 D 类放大器
在 4Ω 负载和 4.2V 电源电压条件下,THD+N 为 1% 时的功率为 5.7W,THD+N 为 10% 时的功率为 6.9W
在 8Ω 负载和 4.2V 电源电压条件下,THD+N 为 1% 时的功率为 3.8W,THD+N 为 10% 时的功率为 4.5W
DAC + D 类放大器的输出噪声 (ICN) 为 15.9µV
1% THD+N/8Ω 条件下的 DAC + D 类放大器的 SNR 为 111dB
THD+N – 1W/8Ω 以及平坦频率响应条件下为 dB
在 217Hz 下,对于 200mV
pp
的纹波,PSRR 为 dB
输入采样率为 8kHz 至 96kHz
内置扬声器检测
测量扬声器电压和电流
测量 VBAT 电压和芯片温度
通过专用实时 DSP 提供扬声器保护
过热和偏移保护
检测扬声器漏音和受损情况
具有多级跟踪功能的高效 H 类升压转换器
500mW、8Ω、3.6V V
BAT
时的效率为 86%
700mW、8Ω、4.2V V
BAT
时的效率为 87%
可配置自动增益控制 (AGC)
限制电池电流消耗
可调节 D 类开关边沿速率控制
过热保护、短路保护和欠压保护
I
2
S、左对齐、右对齐、DSP 以及 TDM 输入和输出接口、
I
2
C 或 SPI 接口,用于寄存器控制
使用两个 TAS2555 器件实现立体声配置
电源
升压输入:2.9V 至 5.5V
模拟/数字:1.65V 至 1.95V
数字 I/O:1.62V 至 3.6V
42 焊球、间距为 0.5mm 的 DSBGA 封装