TAS5615 datasheet(3/34 Pages) TI

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TAS5615

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SLAS595B – JUNE 2009 – REVISED FEBRUARY 2010

MODE SELECTION PINS

MODE PINS

OUTPUT

ANALOG

DESCRIPTION

INPUT

CONFIGURATION

Differential

2 × BTL

AD mode

—

Reserved

Differential

2 × BTL

BD mode

Differential

1 × BTL +2 × SE

AD mode, BTL differential

Single-ended

4 × SE

AD mode

INPUT_C(1)

INPUT_D(1)

Differential

1 × PBTL

AD mode

BD mode

Reserved

(1)

INPUT_C and _D are used to select between a subset of AD and BD mode operations in PBTL mode (1 = VREG and 0 = AGND).

PACKAGE HEAT DISSIPATION RATINGS

(1)

PARAMETER

TAS5615PHD

TAS5615DKD

RqJC (°C/W) – 2 BTL or 4 SE channels

3.63

2.52

RqJC (°C/W) – 1 BTL or 2 SE channel(s)

5.95

3.22

RqJC (°C/W) – 1 SE channel

9.9

6.9

Pad area (2)

49 mm2

80 mm2

(1)

JC is junction-to-case, CH is case-to-heat sink

(2)

RqH is an important consideration. Assume a 2-mil thickness of typical thermal grease between the pad area and the heat sink and both

channels active. The RqCH with this condition is 1.22°C/W for the PHD package and 1.02°C/W for the DKD package.

Table 1. ORDERING INFORMATION(1)

PACKAGE

DESCRIPTION

0°C–70°C

TAS5615PHD

64-pin HTQFP

0°C–70°C

TAS5615DKD

44-pin PSOP3

(1)

For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI

Web site at www.ti.com.

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