TAS5615 datasheet(9/34 Pages) TI

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TAS5615

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SLAS595B – JUNE 2009 – REVISED FEBRUARY 2010

AUDIO CHARACTERISTICS (BTL)

PCB and system configuraton are in accordance with recommended guidelines. Audio frequency = 1 kHz, PVDD_X = 50 V,

GVDD_X = 12 V, RL = 8 Ω, fS = 400 kHz, ROC = 22 kΩ, TC = 75°C, output filter: LDEM = 15 mH, CDEM = 680 nF, mode = 010,

unless otherwise noted.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

RL = 8 Ω, 10% THD+N, clipped output signal

160

Power output per channel

RL = 8 Ω, 1% THD+N, unclipped output signal

125

THD+N

Total harmonic distortion + noise

1 W

0.05

A-weighted, AES17 filter, input capacitor

Output integrated noise

260

grounded

|VOS|

Output offset voltage

Inputs ac-coupled to AGND

150

SNR

Signal-to-noise ratio(1)

100

DNR

Dynamic range

100

Pidle

Power dissipation due to idle losses (IPVDD_X)

PO = 0, 4 channels switching

(2)

2.3

(1)

SNR is calculated relative to 1% THD+N output level.

(2)

Actual system idle losses also are affected by core losses of output inductors.

AUDIO SPECIFICATION (Single-Ended Output)

PCB and system configuraton are in accordance with recommended guidelines. Audio frequency = 1 kHz, PVDD_X = 50 V,

GVDD_X = 12 V, RL = 4 Ω, fS = 400 kHz, ROC = 22 kΩ, TC = 75°C, output filter: LDEM = 15 mH, CDEM = 330 nF, MODE = 100,

unless otherwise noted.

PARAMETER

TEST CONDITIONS

MIN

TYP MAX

UNIT

RL = 4 Ω, 10% THD+N, clipped output signal

Power output per channel

RL = 4 Ω, 1% THD+N, unclipped output signal

THD+N

Total harmonic distortion + noise

1 W

0.05

Output integrated noise

A-weighted

350

SNR

Signal-to-noise ratio(1)

A-weighted

DNR

Dynamic range

A-weighted

Pidle

Power dissipation due to idle losses (IPVDD_X)

PO = 0, 4 channels switching

(2)

1.15

(1)

SNR is calculated relative to 1% THD+N output level.

(2)

Actual system idle losses are affected by core losses of output inductors.

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