TPA3221 datasheet(10/39 Pages) TI1

Part #	TPA3221

Description	100-W Stereo, 200-W Mono HD-Audio, Analog-Input, Class-D Amplifier

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Manufacturer	TI1 [Texas Instruments]

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TPA3221

SLASEE9 – JUNE 2017

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(1)

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

(2)

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

7.7 Audio Characteristics (PBTL)

PCB and system configuration are in accordance with recommended guidelines. Audio frequency = 1 kHz, PVDD_X = 30 V,

VDD = 5 V, GVDD = 5 V, RL = 2 Ω, fS = 400 kHz, TC = 75°C, Output Filter: LDEM = 10 μH, CDEM = 1 µF, AD-Modulation,

AES17 + AUX-0025 measurement filters, unless otherwise noted.

PARAMETER

TEST CONDITIONS

MIN

TYP MAX

UNIT

PO

Power output per channel

RL = 2 Ω, 10% THD+N

230

W

RL = 3 Ω, 10% THD+N

160

RL = 4 Ω, 10% THD+N

125

RL = 2 Ω, 1% THD+N

185

RL = 3 Ω, 1% THD+N

130

RL = 4 Ω, 1% THD+N

100

THD+N

Total harmonic distortion + noise

1 W

0.03%

Vn

Output integrated noise

A-weighted, AES17 filter, Input Capacitor

Grounded, Gain = 18 dB

75

μV

|VOS|

Output offset voltage

Inputs AC coupled to GND

20

60

mV

SNR

Signal to noise ratio(1)

A-weighted, Gain = 18 dB

108

dB

DNR

Dynamic range

A-weighted, Gain = 18 dB

108

dB

Pidle

Power dissipation due to idle losses (IPVDD_X)

PO = 0, 4 channels switching

(2)

0.45

W

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