TAS5705PAPR datasheet(8/71 Pages) TI

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DISSIPATION RATINGS

RECOMMENDED OPERATING CONDITIONS

PWM OPERATION AT RECOMMENDED OPERATING CONDITIONS

PLL INPUT PARAMETERS AND EXTERNAL FILTER COMPONENTS

TAS5705

SLOS549 – JUNE 2008 ...................................................................................................................................................................................................... www.ti.com

DERATING FACTOR

TA ≤ 25°C

TA = 70°C

TA = 85°C

PACKAGE

ABOVE TA = 25°C

POWER RATING

10-mm × 10-mm QFP

40 mW/°C

5 W

3.2 W

2.6 W

MIN

NOM

MAX

UNIT

Digital/analog supply voltage

DVDD, AVDD

3.3

3.6

Half-bridge supply voltage

PVDD_X

VIH

High-level input voltage

3.3-V TTL, 5-V tolerant

5.5

VIL

Low-level input voltage

3.3-V TTL, 5-V tolerant

0.8

Operating ambient temperature range

°C

Operating junction temperature range

150

°C

RL (BTL)

Load impedance

Output filter: L = 15

µH, C = 0.68 µF

Ω

RL (SE)

3.2

LO (BTL)

Minimum output inductance under

Output-filter inductance

µH

short-circuit condition

LO (SE)

PARAMETER

TEST CONDITIONS

MODE

VALUE

UNIT

32–kHz data rate ±2%

12× sample rate

384

kHz

Output sample rate 2×–1×

44.1-, 88.2-, 176.4-kHz data rate ±2%

8×, 4×, and 2× sample rates

352.8

kHz

oversampled

48-, 96-, 192-kHz data rate ±2%

8×, 4×, and 2× sample rates

384

kHz

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

fMCLKI

Frequency, MCLK (1 / tcyc2)

4.9

49.2

MHz

MCLK duty cycle

40%

50%

60%

MCLK minimum high time

MCLK minimum low time

LRCLK allowable drift before LRCLK reset

MCLKs

External PLL filter capacitor C1

SMD 0603 Y5V

External PLL filter capacitor C2

SMD 0603 Y5V

4.7

External PLL filter resistor R

SMD 0603, metal film

470

Ω

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