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| 型号： | LC89052T |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO24 |
| 封装： | 0.225 INCH, TSSOP-24 |
| 文件页数： | 3/42页 |
| 文件大小： | 482K |
| 代理商： | LC89052T |
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LC89052T
No.7457-11/42
8.3 Clocks
8.3.1 PLL (LPF)
The LC89052T incorporates a VCO (Voltage Controlled Oscillator) that can synchronize with sampling frequencies
of 30kHz to 195kHz.
The locking frequency is selected with PLLCK[1:0]. The VCO circuit can be stopped with PLLOPR.
The range of input data that can be received differs depending on the settings of PLLCK[1:0].
The (512/2)fs for the PLLCK[1:0] = "11" in the table below is the state where the PLL itself is synchronized with the
512fs clock, but the clock signal output from the CKOUT pin is 1/2 of the PLL locked frequency, which is 256fs.
See the chapter on the of output clock for further information.
We recommend the 256fs setting with PLLCK[1:0] = "00" for the systems such as portable equipment that need to
restrain the consumption electric power. We also recommend the 512fs setting with PLLCK[1:0] = "10" or the
(512/2)fs with PLLCK[1:0] = "11" for the systems such as AV amplifiers that require improved performance.
Table 8.3 Input Data Reception Ranges and PLL Lock Frequency Settings
PLLCK1
PLLCK0
PLL lock frequency
Input data reception range
0
256fs
30k to 195kHz
0
1
384fs
30k to 108kHz
1
0
512fs
30k to 108kHz
1
(512/2)fs
30k to 108kHz
LPF is the PLL loop filter connection pin. Use the correct recommended resistance and capacitance as values listed in
the table below according to the PLLCK[1:0] settings.
PLLCK1
PLLCK0
R0
C0
C1
0
1
150
0.047
F
0.0068
F
1
0
1
150
0.068
F
0.0047
F
Figure 8.2 PLL Loop Filter Configuration
LPF
R0
C0
C1
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相关代理商/技术参数 |
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|---|---|
| LC89052TA-E | 功能描述:音频发送器、接收器、收发器 RoHS:否 制造商:Cirrus Logic 工作电源电压:3.3 V, 5 V 电源电流:11.8 mA 通道数量:1 最大工作温度:+ 70 C 接口类型:I2C, SPI 安装风格:SMD/SMT 封装 / 箱体:TSSOP-28 封装: |
| LC89052TA-TLM-E | 功能描述:音频发送器、接收器、收发器 RoHS:否 制造商:Cirrus Logic 工作电源电压:3.3 V, 5 V 电源电流:11.8 mA 通道数量:1 最大工作温度:+ 70 C 接口类型:I2C, SPI 安装风格:SMD/SMT 封装 / 箱体:TSSOP-28 封装: |
| LC89052THS-E | 制造商:ON Semiconductor 功能描述:AUDIO I/F RECEIVER |
| LC890561W | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:CMOS IC Digital Audio Interface Receiver with Built-in Data Buffer Memory |
| LC890561W-E | 功能描述:音频发送器、接收器、收发器 RoHS:否 制造商:Cirrus Logic 工作电源电压:3.3 V, 5 V 电源电流:11.8 mA 通道数量:1 最大工作温度:+ 70 C 接口类型:I2C, SPI 安装风格:SMD/SMT 封装 / 箱体:TSSOP-28 封装: |
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