參數(shù)資料
型號(hào)： TAS5705PAPRG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻／視頻放大
英文描述： 20 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP64
封裝： 10 X 10 MM, GREEN, PLASTIC, HTQFP-64
文件頁數(shù)： 7/72頁
文件大小： 1168K
代理商： TAS5705PAPRG4
BKND_ERR
VALID
t
w(ER)
t
p(valid_high)
t
p(valid_low)
Normal
Operation
Normal
Operation
T0031-04
t
d(VOL)
VOLUME
MUTE
Normal
Operation
Normal
Operation
t
d(VOL)
50-50
DutyCycle
T0032-03
www.ti.com ................................................................................................................................................ SLOS549A – JUNE 2008 – REVISED SEPTEMBER 2009
BACK-END ERROR (BKND_ERR)
Control signal parameters over recommended operating conditions (unless otherwise noted)
PARAMETER
MIN
TYP
MAX
UNIT
tw(ER)
Minimum pulse duration, BKND_ERR active (active-low)
350
ns
tp(valid_high)
Programmable. Time to stay in the VALID (reset to the power stage) low state. After
tp(valid_high), the TAS5705 attempts to bring the system out of the VALID low state if
300
ms
BKND_ERR is high.
tp(valid_low)
Time TAS5705 takes to bring VALID (reset to the power stage) low after BKND_ERR
ns
400
assertion.
Figure 9. Error Recovery Timing
MUTE TIMING (MUTE)
Control signal parameters over recommended operating conditions (unless otherwise noted)
PARAMETER
MIN
TYP
MAX
UNIT
Volume ramp time (= number of steps × step size). Number of steps is defined by volume
td(VOL)
configuration register 0x0E (see Volume Configuration Register ). Step size = 4 LRCLKs if
1024
steps
fS ≤ 48 kHz; else 8 LRCLKs if fS ≤ 96 kHz ; else 16 LRCLKs
Figure 10. Mute Timing
Copyright 2008–2009, Texas Instruments Incorporated
15
Product Folder Link(s): TAS5705
相關(guān)PDF資料
PDF描述
TAS5705PAPR 20 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP64
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