TAS5721 Datasheet, PDF (1/71 Pages) Texas Instruments – Digital Audio Power Amplifier with EQ, DRC, 2.1 Support, and Headphone/Line Driver

48-Pin TSSOP (DCA)
TAS5721
www.ti.com
SLOS739 – JULY 2012
Digital Audio Power Amplifier with EQ, DRC, 2.1 Support, and Headphone/Line Driver
Check for Samples: TAS5721
FEATURES
1
•23 Audio Input/Output
– 10 W x 2 into 8 Ω With PVDD = 24 V
– 8 W x 2 + 12 W x 1 into 8 Ω With PVDD = 24
V
– Supports 2.0, Single Device 2.1, and Mono
Modes
– Supports 8-kHz to 48-kHz Sample Rate
(LJ/RJ/I²S)
– Integrated DirectPath™ Headphone
Amplifier and 2 V_RMS Line Driver
• Audio/PWM Processing
– Independent Channel Volume Controls With
24-dB to Mute in 0.5 dB Steps
– Separate Dynamic Range Control for
Satellite and Sub Channels
– 21 Programmable Biquads for Speaker EQ
– Programmable Two-Band Dynamic Range
Control
– Support for 3D Effects
• General Features
– I²C™ Serial Control Interface Operational
Without MCLK
– Configurable I²C Address (0x34 or 0x36)
– Automatic Sample Rate Detection
– Thermal and Short-Circuit Protection
– Wide PVDD Supply Range (4.5 V to 24 V)
APPLICATIONS
• LED/LCD TVs, Soundbar, Docking Stations, PC
Speakers
Output Power vs. PVDD in 2.0 Mode
15
2.0 BTL Mode
T_A = 25°C
10
5
THD+N = 1%, 4Ω
THD+N = 10%, 4Ω
THD+N = 1%, 6Ω
THD+N = 10%, 6Ω
THD+N = 1%, 8Ω
THD+N = 10%, 8Ω
0
8 10 12 14 16 18 20 22 24
Supply Voltage (V)
G001
DRVDD
DVDD AVDD
PVDD
TAS5721
DRVDD
Internal Regulation and Power Distribution
Internal Voltage Supplies
MCLK
LRCLK
SCLK
SDIN
MCLK Monitoring
and Watchdog
Serial Audio Port
(SAP)
Sample Rate
Auto-Detect
PLL
Power-On Reset
(POR)
Digital Audio
Processor
(DAP)
Sample Rate
Converter
(SRC)
Digital to PWM
Converter
(DPC)
3 Ch. PWM
Modulator
Noise Shaping
Click and Pop
Suppression
Open Loop 4 Channel
PWM Amplifier
Sensing and
Protection
Temperature
Short Circuits
PVDD Voltage
Output Current
Fault Notification
SPK_OUTA
SPK_OUTB
SPK_OUTC
SPK_OUTD
Internal Register/State Machine Interface
I²C Control Port
DRVDD
Charge Pump
Stereo Headphone
Amplifier
DR_OUTA
DR_OUTB
SCL
SDA
PDN RST
DR_CP DR_CN DR_VSS DR_INA DR_INB
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
DirectPath, FilterPro are trademarks of Texas Instruments.
2
I²C is a trademark of Philips Semiconductor Corp.
3
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2012, Texas Instruments Incorporated