TAS5709APHPR datasheet(9/61 Pages) TI1

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PLL INPUT PARAMETERS AND EXTERNAL FILTER COMPONENTS

ELECTRICAL CHARACTERISTICS

DC Characteristics

TAS5709, TAS5709A

www.ti.com ..................................................................................................................................... SLOS599A – NOVEMBER 2008 – REVISED SEPTEMBER 2009

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

fMCLKI

MCLK frequency

2.8224

24.576

MHz

MCLK duty cycle

40%

50%

60%

tr /

Rise/fall time for MCLK

tf(MCLK)

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

TA = 25°, PVCC_X = 18 V, DVDD = AVDD = 3.3 V, RL= 8 Ω, BTL AD mode, fS = 48 kHz (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VOH

High-level output voltage

FAULTZ and SDA

IOH = –4 mA

2.4

DVDD = 3 V

VOL

Low-level output voltage

FAULTZ and SDA

IOL = 4 mA

0.5

DVDD = 3 V

VI < VIL; DVDD = AVDD

IIL

Low-level input current

µA

= 3.6 V

VI > VIH; DVDD = AVDD

IIH

High-level input current

µA

= 3.6 V

Normal mode

3.3 V supply voltage (DVDD,

IDD

3.3-V supply current

Reset (RESET = low,

AVDD)

PDN = high)

Normal mode

IPVDD

Half-bridge supply current

No load (PVDD_X)

Reset (RESET = low,

PDN = high)

Drain-to-source resistance, LS TJ = 25°C, includes metallization resistance

180

rDS(on)

(1)

Ω

Drain-to-source resistance,

TJ = 25°C, includes metallization resistance

180

I/O Protection

Vuvp

Undervoltage protection limit

PVDD falling

7.2

Vuvp,hyst

Undervoltage protection limit

PVDD rising

7.6

OTE(2)

Overtemperature error

150

°C

Extra temperature drop

OTEHYST

(2)

°C

required to recover from error

OLPC

Overload protection counter

fPWM = 384 kHz

1.25

IOC

Overcurrent limit protection

Resistor—programmable, max. current, ROCP = 22 kΩ

4.5

IOCT

Overcurrent response time

150

OC programming resistor

Resistor tolerance = 5% for typical value; the minimum

ROCP

Ω

range

resistance should not be less than 20 k

Ω.

Internal pulldown resistor at

Connected when drivers are high-impedance to provide

RPD

Ω

the output of each half-bridge

bootstrap capacitor charge

(1)

This does not include bond-wire or pin resistance.

(2)

Specified by design

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