TAS5729MD datasheet(7/59 Pages) TI1

7 / 59 page

TAS5729MD

www.ti.com

SLOS836A – MAY 2013 – REVISED JUNE 2013

SPEAKER AMPLIFIER IN ALL MODES

over operating free-air temperature range (unless otherwise noted)

Parameter

Test Conditions

Min

Typ

Max

Unit

11.025/22.05/44.1-kHz data rate ±2%

352.8

kHz

Speaker Amplifier Switching

fSPK_AMP

Frequency

48/24/12/8/16/32-kHz data rate ±2%

384

kHz

PVDD = 15 V, TA = 25 °C, Die Only

200

On Resistance of Output Mosfet

RDS(ON)

PVDD= 15V, TA = 25 °C, Includes: Die,

(both high-side and low-side)

240

Bond Wires, Leadframe

Internal Pulldown Resistor at

Connected when drivers are tri-stated to

RPD

Output of each Half-Bridge Making

provide bootstrap capacitor charge

up the Full Bridge Outputs

SPEAKER AMPLIFIER IN STEREO BRIDGE TIED LOAD (BTL) MODE

TA = 25°C, PVDD = 18 V, AVDD = DRVDD = DVDD = 3.3 V, audio input signal = 1 kHz sine wave, BTL, AD mode, fS = 48

kHz, RSPK = 8

Ω, AES17 filter, fPWM = 384 kHz, external components per Typical Application Circuit diagrams, and in

accordance with recommended operating conditions (unless otherwise specified).

Parameter

Test Conditions

Min

Typ

Max

Unit

ICN(SPK)

Idle Channel Noise

PVDD = 18 V, A-Weighted

µVrms

PVDD = 13 V, 10% THD, 1-kHz input

10.5

signal

Maximum Continuous Output

PVDD = 8 V, 10% THD, 1-kHz input

Po(SPK)

Power Per. Ch.

signal

PVDD = 18 V, 10% THD, 1-kHz input

signal

Signal to Noise Ratio (Referenced

PVDD = 18V, A-weighted, f = 1 kHz,

SNR(SPK)

105

to 0dBFS Input Signal)

maximum power at THD < 1%

PVDD = 18 V; PO = 1 W

0.15

Total Harmonic Distortion and

THD+N(SPK)

PVDD = 13 V; PO = 1 W

0.13

Noise

PVDD = 8 V; PO = 1 W

0.2

PO = 1 W, f = 1 kHz (BD mode)

–70

Cross-talk (worst case between

X-Talk(SPK)

LtoR and RtoL coupling)

PO = 1 W, f = 1 kHz (AD mode)

–48

SPEAKER AMPLIFIER IN STEREO POST-FILTER PARALLEL BRIDGE TIED LOAD (POST-FILTER

PBTL) MODE

TA = 25°C, PVDD = 18 V, AVDD = DRVDD = DVDD = 3.3 V, audio input signal = 1 kHz sine wave, BTL, AD mode, fS = 48

kHz, RSPK = 4

Ω, AES17 filter, fPWM = 384 kHz, external components per Typical Application Circuit diagrams, and in

accordance with recommended operating conditions (unless otherwise specified).

Parameter

Test Conditions

Min

Typ

Max

Unit

ICN(SPK)

Idle Channel Noise

PVDD = 18 V, A-Weighted

µVrms

PVDD = 13 V, 10% THD, 1-kHz input

18.9

signal

Maximum Continuous Output

PVDD = 8 V, 10% THD, 1-kHz input

Po(SPK)

7.2

Power Per. Ch.

signal

PVDD = 18 V, 10% THD, 1-kHz input

signal

Signal to Noise Ratio (Referenced

PVDD = 18V, A-weighted, f = 1 kHz,

SNR(SPK)

105

to 0dBFS Input Signal)

maximum power at THD < 1%

PVDD = 18 V; PO = 1 W

0.06

Total Harmonic Distortion and

THD+N(SPK)

PVDD = 13 V; PO = 1 W

0.03

Noise

PVDD = 8 V; PO = 1 W

0.15

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