TAS5705PAP datasheet(9/71 Pages) TI

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ELECTRICAL CHARACTERISTICS

DC Characteristics

TAS5705

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

TA = 25°, PVCC_X = 18V, DVDD = AVDD = 3.3V, RL= 8Ω, BTL Mode (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VOH

High-level output voltage

3.3-V TTL and 5-V tolerant (1)

IOH = –4 mA

2.4

VOL

Low-level output voltage

3.3-V TTL and 5-V tolerant (1)

IOL = 4 mA

0.5

3.3-V TTL

VI = VIL

±2

IIL

(2)

Low-level input current

µA

5-V tolerant(1)

VI = 0 V, DVDD = 3 V

±2

3.3-V TTL

VI = VIH

±2

IIH

(2)

High-level input current

µA

5-V tolerant

VI = 5.5 V, DVDD = 3 V

±20

Normal Mode

Digital supply voltage (DVDD,

Power down (PDN =

IDD

Digital supply current

AVDD)

low)

Reset (RESET = low)

38.5

IPVDD

Analog supply current

No load (all PVDD inputs)

Power down (PDN =

6.3

IPVDD(PDN)

Power-down current

No load (all PVDD inputs)

low)

IPVDD(RESET)

Reset current

No load (all PVDD inputs)

Reset (RESET = low)

6.3

Drain-to-source resistance,

180

TJ = 25°C, includes metallization resistance

rDS(on)

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(3)

Overtemperature error

150

°C

Extra temperature drop

OTEHYST

(3)

required to recover from

°C

error

OLPC

Overload protection counter

fPWM = 384 kHz

0.63

IOC

Overcurrent limit protection

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

4.5

IOCT

Overcurrent response time

150

Resistor tolerance = 5% for typical value; the minimum

OC programming resistor

ROCP

resistance should not be less than 20 k

Ω. This value is

Ω

range

not adjustable. It must be fixed at 22 k

Ω.

Internal pulldown resistor at

Connected when RESET is active to provide bootstrap

RPD

Ω

the output of each half-bridge capacitor charge.

(1)

5-V tolerant inputs are PDN, RESET, MUTE, SCLK, LRCLK, MCLK, SDIN1, SDIN2, SDA, SCL, and HPSEL.

(2)

IIL or IIH for pins with internal pullup can go up to 50 µA.

(3)

Specified by design

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