TAS5705PAPR datasheet(10/71 Pages) TI

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AC Characteristics (BTL)

AC Characteristics (Single-Ended Output)

TAS5705

SLOS549 – JUNE 2008 ...................................................................................................................................................................................................... www.ti.com

PVDD_X = 18 V, BTL mode, RL = 8 Ω, ROC = 22 KΩ, CBST = 33 nF, audio frequency = 1 kHz, AES17 filter,

fPWM = 384 kHz, TA = 25°C (unless otherwise noted). All performance is in accordance with recommended operating

conditions, unless otherwise specified.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

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

20.0

PVDD = 18 V, 7% THD, 1-kHz input signal

18.6

PVDD = 12 V, 10% THD, 1-kHz input

signal

Power output per channel

PVDD = 12 V, 7% THD, 1-kHz input signal

8.3

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

3.9

PVDD = 8 V, 7% THD, 1-kHz input signal

3.7

PVDD = 18 V; PO = 10 W (half-power)

0.12%

THD+N

Total harmonic distortion + noise

PVDD = 12 V; PO = 4.5 W (half-power)

0.1%

PVDD = 8 V; PO = 2 W (half-power)

0.24%

Output integrated noise

A-weighted

µV

Crosstalk

PO = 1 W, f = 1kHz

–73

A-weighted, f = 1 kHz, maximum power at

SNR

Signal-to-noise ratio (1)

105

THD < 0.1%

Power dissipation due to idle losses (IPVDD_X)

PO = 0 W, 4 channels switching

(2)

0.6

(1)

SNR is calculated relative to 0-dBFS input level.

(2)

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

PVDD_X = 18 V, SE mode, RL = 4 Ω, ROC = 22 kΩ, CBST = 33-nF, audio frequency = 1 kHz, AES17 filter, FPWM = 384 kHz,

ambient temperature = 25°C (unless otherwise noted). All performance is in accordance with recommended operating

conditions, unless otherwise specified.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

PVDD = 18 V, 10% THD

PVDD = 18 V, 7% THD

Power output per channel

PVDD = 12 V, 10% THD

4.5

PVDD = 12 V, 7% THD

PVDD = 18V, Po =5 W (half-power)

0.2

THD+

Total harmonic distortion + noise

PVDD = 12V, Po =2.25 W (half-power)

0.2

Output integrated noise

A-weighted

µV

SNR

Signal-to-noise ratio(1)

A-weighted

105

DNR

Dynamic range

A-weighted, input level = –60 dBFS using TAS5086 modulator

105

Power dissipation due to idle

PO = 0 W, 4 channels switching

(2)

0.6

losses (IPVDD_X)

(1)

SNR is calculated relative to 0-dBFS input level.

(2)

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

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