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RECOMMENDED OPERATING CONDITIONS

AUDIO SPECIFICATIONS (BTL)

AUDIO SPECIFICATIONS (Single-Ended Output)

TAS5142

SLES126B – DECEMBER 2004 – REVISED MAY 2005

MIN

TYP

MAX

UNIT

PVDD_X

Half-bridge supply

DC supply voltage

0

32

34

V

Supply for logic regulators and gate-drive

GVDD_X

DC supply voltage

10.8

12

13.2

V

circuitry

VDD

Digital regulator input

DC supply voltage

10.8

12

13.2

V

RL (BTL)

3

4

Output filter: L = 10

µH, C = 470 nF.

RL (SE)

Load impedance

Output AD modulation, switching

2

3

Ω

frequency > 350 kHz

RL (PBTL)

1.5

2

LOutput (BTL)

5

10

Minimum output inductance under

LOutput (SE)

Output-filter inductance

5

10

µH

short-circuit condition

LOutput (PBTL)

5

10

FPWM

PWM frame rate

192

384

432

kHz

TJ

Junction temperature

0

125

°C

PVDD_X = 32 V, GVDD = VDD = 12 V, BTL mode, R

L = 4 Ω, audio frequency = 1 kHz, AES17 filter, FPWM = 384 kHz, case

temperature = 75°C, unless otherwise noted. Audio performance is recorded as a chipset, using TAS5508 PWM processor

with an effective modulation index limit of 96.1%. All performance is in accordance with recommended operating conditions

unless otherwise specified.

TAS5142

PARAMETER

TEST CONDITIONS

UNIT

MIN

TYP

MAX

RL = 4 Ω, 10% THD, clipped input

100

signal

RL = 6 Ω, 10% THD, clipped input

80

signal

RL = 8 Ω, 10% THD, clipped input

65

W

signal

PO

Power output per channel, DKD package

RL = 4 Ω, 0 dBFS, unclipped input

80

signal

RL = 6 Ω, 0 dBFS, unclipped input

60

signal

RL = 8 Ω, 0 dBFS, unclipped input

50

signal

0 dBFS

0.3%

THD+N

Total harmonic distortion + noise

1 W

0.1%

Vn

Output integrated noise

A-weighted

140

µV

SNR

Signal-to-noise ratio (1)

A-weighted

102

dB

A-weighted, input level = –60 dBFS

102

using TAS5508 modulator

DNR

Dynamic range

dB

A-weighted, input level = –60 dBFS

110

using TAS5518 modulator

Pidle

Power dissipation due to idle losses (IPVDD_X)

PO = 0 W, 4 channels switching(2)

2

W

(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 = 32 V, GVDD = VDD = 12 V, SE mode, R

L = 4 Ω, audio frequency = 1 kHz, AES17 filter, FPWM = 384 kHz, case

temperature = 75°C, unless otherwise noted. Audio performance is recorded as a chipset, using TAS5086 PWM processor

with an effective modulation index limit of 96.1%. All performance is in accordance with recommended operating conditions

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