D2-45157-QR-T Intersil, D2-45157-QR-T Datasheet - Page 3

• Manufacturer Part Number: D2-45157-QR-T
• Description: IC DGTL AMP PWM CTRLR 68QFN
• Manufacturer: Intersil
• Series: D2Audio™r
• Type: Class Dr

Specifications of D2-45157-QR-T

• Output Type: 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 30W x 2 @ 8 Ohm
• Voltage - Supply: 9 V ~ 26 V
• Mounting Type: Surface Mount
• Package / Case: 68-VFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -

Table of Contents
Ordering Information ........................................ 2
Absolute Maximum Ratings ............................... 4
Thermal Information ......................................... 4
Recommended Operating Conditions ................. 4
Electrical Specifications ..................................... 4
Performance Specifications ............................... 6
Serial Audio Interface Port Timing .................... 6
Two-Wire (I
SPI™ Master Mode Interface Port Timing .......... 8
SPI™ Slave Mode Interface Port Timing ............ 8
Pin Configuration............................................... 9
Pin Description ................................................ 10
Typical Performance Characteristics................ 14
Functional Description..................................... 17
Audio Outputs ................................................. 18
Test Considerations ......................................... 14
Full-Bridge Typical Performance Curves.............. 14
Half-Bridge Typical Performance Curves ............. 15
Overview ....................................................... 17
Audio Enhancement Features............................ 17
Serial Audio Digital Input ................................. 17
S/PDIF Digital Audio I/O .................................. 17
Sample Rate Converter .................................... 18
DSP............................................................... 18
Clock and PLL ................................................. 18
Timers ...........................................................18
Output Power Stages ....................................... 18
Output Options ............................................... 19
PWM Audio Outputs ......................................... 19
2
C) Interface Port Timing ............... 7
3
D2-45057, D2-45157
Control and Operation ..................................... 19
Power Supply Requirements ........................... 21
Pin and Control Block Functions ...................... 22
Configuration Setting ...................................... 24
Protection ....................................................... 26
Audio Processing............................................. 27
Revision History .............................................. 30
Products.......................................................... 30
Package Outline Drawing ................................ 31
Control Register Summary ............................... 19
I
Reading and Writing Control Registers............... 19
Control Interface Address Spaces ..................... 20
Storing Parameters to EEPROM......................... 20
Serial Peripheral Interface (SPI) ....................... 20
Reset and Device Initialization.......................... 20
Boot Modes.................................................... 21
High-Side Gate Drive Voltage ........................... 21
Power Supply Synchronization.......................... 21
Power Sequence Requirements......................... 22
REG5V .......................................................... 22
I/O Control Pins ............................................. 22
nPDN Input Pin .............................................. 22
nERROR[0-3] Output Pins ................................ 22
IREF Pin ........................................................ 22
Configuration Assignment Pin Differences .......... 22
OCFG0, OCFG1 Input Pins................................ 23
nERROR/CFG0 and PSSYNC/CFG1 Pins .............. 23
Temperature Monitoring .................................. 23
Error Reporting .............................................. 26
Short-Circuit and Overcurrent Sensing .............. 26
Protection Monitoring and Control ..................... 26
Thermal Protection and Monitors....................... 26
Graceful Overcurrent and Short Circuit .............. 27
Power Supply Voltage Monitoring ...................... 27
Audio Processing Signal Flow Blocks.................. 27
2
C 2-Wire Control Interface ............................ 19
July 29, 2010
FN6785.0