參數(shù)資料
型號: TAS5706PAPR
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻/視頻放大
英文描述: 20.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP64
封裝: 10 X 10 MM, GREEN, PLASTIC, HTQFP-64
文件頁數(shù): 7/70頁
文件大小: 1169K
代理商: TAS5706PAPR
t
w(RESET)
Earliesttime
thathardmute
couldbeexited
RESET
VALID
t
d(VALID_LOW)
t
d(I2C_ready)
Startsystem
t
d(run)
Systeminitialization.
EnableviaI C.
2
T0029-05
PDN
VALID
t
d(STARTUP)
t
d(VALID_LOW)
T0030-04
t
w
www.ti.com
SLOS550B – DECEMBER 2007 – REVISED DECEMBER 2010
RESET TIMING (RESET)
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
ns
tw(RESET)
Pulse duration, RESET active
1
ms
td(I2C_ready)
Time to enable I2C
3.5
ms
td(run)
Device start-up time (after start-up command via I2C)
10
ms
NOTE: On power up, it is recommended that the TAS5706 RESET be held LOW for at least 100 ms after DVDD has reached
3.0 V. RESET assertion is ignored if applied while part is powered down
Figure 4. Reset Timing
POWER-DOWN (PDN) 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
ms
td(STARTUP)
Device startup time
120
ms
tw
Minimum pulse duration required
800
ns
NOTE: PDNZ assertion is ignored if applied when part is in RESET
Figure 5. Power-Down Timing
BACK-END ERROR (BKND_ERR)
Control signal parameters over recommended operating conditions (unless otherwise noted)
PARAMETER
MIN
TYP
MAX
UNIT
tw(ER)
Pulse duration, BKND_ERR active (active-low)
350
None
ns
Copyright 2007–2010, Texas Instruments Incorporated
15
Product Folder Link(s): TAS5706
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