DCA-48 (TSSOP)
12.5mm ´ 8.1mm
TAS5760MD
www.ti.com
SLOS741B –MAY 2013–REVISED JULY 2013
General Purpose I2S Input Class D Amplifier with DirectPath™ Headphone / Line Driver
Check for Samples: TAS5760MD
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FEATURES
23
•
Audio I/O Configuration:
–
–
THD+N = 0.03 % (at 1 W, 1 kHz)
–
–
Single Stereo I²S Input
SNR = 100 dB A-Wtd (Ref. to THD+N = 1%)
Stereo Bridge Tied Load (BTL) or Mono
Parallel Bridge Tied Load (PBTL) Operation
APPLICATIONS
•
•
•
LCD/LED TV and Multi-Purpose Monitors
Sound Bars, Docking Stations, PC Audio
General Purpose Audio Equipment
–
–
32, 44.1, 48, 88.2, 96 kHz Sample Rates
Headphone Amplifier / Line Driver
•
General Operational Features:
–
–
–
Selectable Hardware or Software Control
Integrated Digital Output Clipper
Power at 10% THD+N vs PVDD
50
Programmable I²C Address (1101100[R/W] or
RL = 4 Ω
RL = 6 Ω
RL = 8 Ω
4 Ω Thermal Limit
6 Ω Thermal Limit
8 Ω Thermal Limit
45
1101101[R/W])
40
35
30
25
20
15
10
5
–
–
Closed Loop Amplifier Architecture
Adjustable Switching Frequency for
Speaker Amplifier
•
•
Robustness Features:
–
Clock Error, DC and Short Circuit
Protection
–
Over Temperature and Programmable
Overcurrent Protection
THD+N = 10%
0
4
6
8
10 12 14 16 18 20 22 24 26
Supply Voltage (V)
Audio Performance (PVDD = 19V, RSPK = 8Ω,
G001
SPK_GAIN[1:0] Pins = 01)
NOTE: Thermal Limits were determined via the
TAS5760xxEVM
–
Idle Channel Noise = <80 µVrms (A-Wtd)
DVDD
DRVDD
DRVDD
ANA_REG
AVDD
PVDD
GVDD_REG
Internal
Voltage
Supplies
Internal Reference
Regulators
Internal Gate
Drive Regulator
Closed Loop Class D Amplifier
SFT_CLIP
Full Bridge
Power Stage
A
Digital to
PWM
Conversion
SPK_OUTA+
SPK_OUTA-
SPK_OUTB+
SPK_OUTB-
Digital
Boost
&
Volume
Control
Gate
Drives
MCLK
SCLK
LRCK
SDIN
Serial
Audio
Port
Over-
Current
Protection
Digital
Clipper
Soft
Clipper
Gate
Full Bridge
Power Stage
B
Analog
Gain
Drives
Clock Monitoring
Die
DRVDD
Temp. Monitor
DR_INA+
DR_INA-
DR_INB+
DR_INB-
DirectPathTM Ground
Centered Headphone /
Line Driver
Charge Pump
Internal Control Registers and State Machines
DR_OUTA
DR_OUTB
DRVSS DR_CP DR_CN
SPK_GAIN0 SPK_GAIN1
SPK_SLEEP/ FREQ/
SPK_SD SPK_FAULT
PBTL/
SCL
ADR
SDA
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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.
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DirectPath is a trademark of Texas Instruments.
All other trademarks are the property of their respective owners.
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 © 2013, Texas Instruments Incorporated