TAS2521 datasheet(3/35 Pages) TAOS

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RST

AINR

SPI_SEL

AINL

AVSS

HPOUT

WCLK

BCLK

MCLK

MISO

DIN

GPIO/DOUT

TAS2521

www.ti.com

SLAS687A – FEBRUARY 2013 – REVISED FEBRUARY 2013

PACKAGE AND SIGNAL DESCRIPTIONS

2.1

Package/Ordering Information

OPERATING

PACKAGE

TRANSPORT MEDIA,

PRODUCT

PACKAGE

TEMPERATURE

ORDERING NUMBER

DESIGNATOR

QUANTITY

RANGE

TAS2521IRGET

Tape and reel, 250

TAS2521

QFN-24

RGE

–40°C to 85°C

TAS2521IRGER

Tape and reel, 3000

2.2

Device Information

RGE PACKAGE

(TOP VIEW)

Table 2-1. RGE PIN FUNCTIONS

I/O(1)

DESCRIPTION

NAME

NO.

SPI_SEL

Selects between SPI and I2C digital interface modes; (1 = SPI mode) (0 = I2C mode)

RST

Reset for logic, state machines, and digital filters; asserted LOW.

AINL

Analog single-ended line left input

AINR

Analog single-ended line right input

HPOUT

Headphone and Lineout Driver Output

AVSS

GND

Analog Ground, 0V

AVDD

PWR

Analog Core Supply Voltage, 1.5V - 1.95V, tied internally to the LDO output

LDO_SEL

Select Pin for LDO; ties to either SPKVDD or SPKVSS

SPKM

Class-D speaker driver inverting output

SPKVDD

PWR

Class-D speaker driver power supply

SPKVSS

PWR

Class-D speaker driver power supply ground supply

SPKP

Class-D speaker driver non-inverting output

DIN

Audio Serial Data Bus Input Data

WCLK

I/O

Audio Serial Data Bus Word Clock

BCLK

I/O

Audio Serial Data Bus Bit Clock

MCLK

Master CLK Input / Reference CLK for CLK Multiplier - PLL (On startup PLLCLK = CLKIN)

(1)

I = Input, O = Output, GND = Ground, PWR = Power, Z = High Impedance

PACKAGE AND SIGNAL DESCRIPTIONS

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