參數(shù)資料
型號(hào): TAS5518CPAG
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝: GREEN, PLASTIC, TQFP-64
文件頁數(shù): 59/103頁
文件大?。?/td> 2007K
代理商: TAS5518CPAG
4.6.8
Headphone Select (HP_SEL)
td(VOL)
HP Volume
HP_SEL
Spkr Volume
t(SW)
T0033-02
td(VOL)
t(SW)
tw(HP_SEL)
4.6.9
Volume Control
TAS5518C
8-Channel Digital Audio PWM Processor
www.ti.com
SLES238A – SEPTEMBER 2008 – REVISED JULY 2009
Control signal parameters over recommended operating conditions (unless otherwise noted)
PARAMETER
MIN
MAX
UNIT
tw(
HP_SEL
)
Pulse duration, HP_SEL active
350
None
ns
td(VOL)
Soft volume update time
Defined by rate setting(1)
ms
t(SW)
Switchover time
0.2
1
ms
(1)
See theVolume, Treble, and Base Slew Rates Register (0xD0) section.Section 7.27.
Figure 4-8. HP_SEL Timing
Control signal parameters over recommended operating conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
MAX
UNIT
Individual volume, master volume, or a
Maximum attenuation before mute
–127
dB
combination of both
Maximum gain
Individual volume, master volume
18
dB
Maximum volume before the onset of clipping
0-dB input, any modulation limit
0
dB
PSVC range
PSVC enabled
12, 18, or 24
dB
PSVC rate
fS
PSVC modulation
Single sided
PSVC quantization
2048
Steps
6%
95%
PSVC PWM modulation limits
PSVC range = 24 dB
dB
(120 : 2048)
(1944 : 2048)
Electrical Specifications
59
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