TAS5706APAP datasheet(14/71 Pages) TI1

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RESET TIMING (RESET)

w(RESET)

Earliesttime

thathardmute

couldbeexited

RESET

VALID

d(VALID_LOW)

d(I2C_ready)

Startsystem

d(run)

Systeminitialization.

EnableviaI C.

T0029-05

POWER-DOWN (PDN) TIMING

PDN

VALID

d(STARTUP)

d(VALID_LOW)

T0030-04

TAS5706A

TAS5706B

SLOS606D – MARCH 2009 – REVISED SEPTEMBER 2009............................................................................................................................................. www.ti.com

Control signal parameters over recommended operating conditions (unless otherwise noted)

PARAMETER

MIN

TYP

MAX

UNIT

td(VALID_LOW)

Time to assert VALID (reset to power stage) low

300

tw(RESET)

Pulse duration, RESET active

td(I2C_ready)

Time to enable I2C

3.5

td(run)

Device start-up time (after start-up command via I2C)

NOTE: On power up, it is recommended that the TAS5706A/B RESET be held LOW for at least 100

µs after DVDD has

reached 3.0 V. RESET assertion is ignored if applied while part is powered down

Figure 4. Reset Timing

Control signal parameters over recommended operating conditions (unless otherwise noted)

PARAMETER

MIN

TYP

MAX

UNIT

td(VALID_LOW)

Time to assert VALID (reset to power stage) low

725

µs

td(STARTUP)

Device startup time

120

Minimum pulse duration required

800

NOTE: PDNZ assertion is ignored if applied when part is in RESET

Figure 5. Power-Down Timing

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Product Folder Link(s): TAS5706A TAS5706B

TAS5706A is Not Recommended for New Designs

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