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DISSIPATION RATING TABLE

RECOMMENDED OPERATING CONDITIONS

DC ELECTRICAL CHARACTERISTICS

AC OPERATING CHARACTERISTICS

DC ELECTRICAL CHARACTERISTICS

TPA6112A2

SLOS342A – DECEMBER 2000 – REVISED SEPTEMBER 2004

DERATING FACTOR

PACKAGE

POWER RATING

POWER RATING

POWER RATING

DGQ

17.1 mW/

°C

1.37 W

1.11 W

(1)

Please see the Texas Instrumentsdocument, PowerPAD Thermally EnhancedPackage Application

Report (literature number SLMA002), for moreinformation on the PowerPAD package. The thermal

data was measured on a PCBlayout based on the information in the section entitledTexas

Instruments Recommended Board forPowerPAD on page 33 of the before mentioneddocument.

MIN

MAX

UNIT

Supply voltage

2.5

5.5

V

Operating free-air temperature

-40

85

°C

High-level input voltage

V

Low-level input voltage

V

At T

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Output offset voltage

15

mV

PSRR

Power supply rejection ratio

83

dB

Supply current

SHUTDOWN = 0 V

1.5

3

mA

Supply current in SHUTDOWN mode

10

50

µA

Input impedance

>1

M

Ω

V

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Output power (each channel)

THD

≤ 0.1%, f = 1 kHz

60

mW

THD+N

Total harmonic distortion + noise

0.4%

Maximum output power BW

G = 10, THD < 5%

> 20

kHz

Phase margin

Open loop

96

°

Supply ripple rejection ratio

f = 1 kHz

71

dB

Channel/channel output separation

f = 1 kHz

89

dB

SNR

Signal-to-noise ratio

100

dB

Noise output voltage

11

µV(rms)

At T

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Output offset voltage

15

mV

PSRR

Power supply rejection ratio

76

dB

Supply current

SHUTDOWN = 0 V

1.5

3

mA

Supply current in SHUTDOWN mode

60

100

µA

High-level input current (SHUTDOWN)

1

µA

Low-level input current (SHUTDOWN)

1

µA

Input impedance

>1

M

Ω

3