參數(shù)資料
型號(hào)： TAS5010IPFBRG4
廠商： Texas Instruments, Inc.
英文描述： TRUE DIGITAL AUDIO AMPLIFIER DIGITAL AUDIO PWM PROCESSOR
中文描述： 真正的數(shù)字音頻放大器，數(shù)字音頻PWM處理器
文件頁(yè)數(shù)： 5/19頁(yè)
文件大小： 268K
代理商： TAS5010IPFBRG4
TAS5010
SLAS328
–
SEPTEMBER 2001
5
www.ti.com
functional description
serial audio port
The serial audio port consists of a shift clock (SCLK pin), a left/right frame synchronization clock (LRCLK pin),
and a data input (SDIN pin). The serial audio port supports standard serial PCM formats (Fs = 44.1 kHz, 48 kHz,
88.2 kHz, 96 kHz, 176.4kHz, or 192kHz) stereo. See serial interface formats section.
system clocks
—
master mode and slave mode
The TAS5010 allows multiple system clocking schemes. In this document, master mode indicates that the
TAS5010 provides system clocks to other parts of the system (M_S=1). Audio system clocks of frequency 256Fs
MCLK_OUT, 64 Fs SCLK, and Fs LRCLK are output from this device when it is configured in master mode. Slave
mode indicates that a system master other than the TAS5010 provides system clocks (LRCLK, SCLK, and
MCLK_IN) to the TAS5010 (M_S = 0). The TAS5010 operates with LRCLK and SCLK synchronized to MCLK.
TAS5010 does not require any specific phase relationship between LRCLK and MCLK, but there must be
synchronization. In the slave mode MCLK_OUT is driven low. Table 1 shows all the possible master and slave
modes. When operating in quad mode (Fs = 176.4kHz or 192 kHz), the device works in slave mode only with
MCLK_IN = 128 Fs.
oscillator/sampling frequency
The sampling frequency is determined by the crystal (master mode) or master clock in (slave mode) which
should be either 11.2896 MHz (Fs = 44.1 kHz) or 12.288 MHz (Fs = 48 kHz). Twice the normal sampling
frequency can be selected by using the DBSPD pin which allows usage of Fs = 88.2 kHz or Fs = 96 kHz. In the
double-speed slave mode (DBSPD = 1, M_S = 0), the external clock input is either 22.5796 MHz (Fs = 88.2 kHz)
or 24.576 MHz (Fs = 96 kHz). Table 1 explains the proper clock selection.
Table 1. Oscillator, External Clock, and PLL Functions
DESCRIPTION
M_S
DBSPD
XTL_IN
(MHz)
MCLK_IN
(MHz)
SCLK
(MHz)
LRCLK
(kHz)
MCLK_OUT
(MHz)
#
Master, normal speed
1
0
11.2896
—
2.8224
44.1
11.2896
Master, normal speed
1
0
12.288
—
3.072
48
12.288
Master, double speed
1
1
—
22.5792
§
24.576
§
11.2896
§
12.288
§
22.5792
§
24.576
§
22.5792
§
24.576
§
5.6448
88.2
22.5792
Master, double speed
1
1
—
6.144
96
24.576
Slave, normal speed
0
0
—
2.8224
44.1
Digital GND
Slave, normal speed
0
0
—
3.072
48
Digital GND
Slave, double speed
0
1
—
5.6448
88.2
Digital GND
Slave, double speed
Slave, quad speed||
Slave, quad speed||
Either a crystal oscillator or an external clock of the specified frequency can be connected to XTL_IN.
MCLK_IN tied low when input to XTL_IN is provided; XTL_IN tied low when MCLK_IN is provided.
§
External MCLK connected to MCLK_IN input
SCLK and LRCLK are outputs when M_S=1, inputs when M_S=0.
#MCLK_OUT is driven low when M_S=0.
||Quad speed mode is detected automatically.
0
1
—
6.144
96
Digital GND
0
0
—
11.2896
176.4
Digital GND
0
0
—
12.288
192
Digital GND
phase-locked loop (PLL)/clock generation
A low jitter PLL is incorporated for internal use. Connections for the PLL external loop filter are provided as
PLL_FLT_RET and PLL_FLT_OUT. If the PLL loses lock, the PWM output status pins (VALID_L and VALID_R)
go low. Note that VALID_L and VALID_R can go low for other conditions as well. See error status reporting
section.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TAS5010PFB 功能描述:音頻 DSP Digital Audio PWM Processor RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube
TAS5010PFBG4 功能描述:音頻 DSP Digital Audio PWM Processor RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube
TAS5010PFBR 功能描述:音頻 DSP Digital Audio PWM Processor RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube
TAS5010PFBRG4 功能描述:音頻 DSP Digital Audio PWM Processor RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube
TAS5012 制造商:TI 制造商全稱:Texas Instruments 功能描述:TRUE DIGITAL AUDIO AMPLIFIER TAS5012 DIGITAL AUDIO PWM PROCESSOR
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