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| 型號： | TLV320AIC3110IRHBR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | AUDIO AMPLIFIER, PQCC32 |
| 封裝： | 5 X 5 MM, GREEN, PLASTIC, QFN-32 |
| 文件頁數(shù)： | 38/126頁 |
| 文件大?。?/td> | 1528K |
| 代理商： | TLV320AIC3110IRHBR |
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www.ti.com
SLAS647 – DECEMBER 2009
Digital audio processing blocks (PRB) for play and record paths
AGC and DRC
Digital sine-wave generator for beeps
Stereo headphone/lineout amplifier
Class-D stereo amplifier for 8-
speakers
Pin-controlled or register-controlled volume level
Power-down de-pop and power-up soft start
Analog inputs
I2C control interface
Power-down control block
Following a toggle of the RESET pin or a software reset, the device operates in the default mode. The I2C
interface is used to write to the control registers to configure the device.
The I2C address assigned to the TLV320AIC3110 is 001 1000. This device always operates in an I2C
slave mode. All registers are 8-bit, and all writable registers have read-back capability. The device
auto-increments to support sequential addressing and can be used with I2C fast mode. Once the device is
reset, all appropriate registers are updated by the host processor to configure the device as needed by the
user.
5.2.1
Device Initialization
5.2.1.1
Reset
The TLV320AIC3110 internal logic must be initialized to a known condition for proper device function. To
initialize the device to its default operating condition, the hardware reset pin (RESET) must be pulled low
for at least 10 ns. For this initialization to work, both the IOVDD and DVDD supplies must be powered up.
It is recommended that while the DVDD supply is being powered up, the RESET pin be pulled low.
The device can also be reset via software reset. Writing a 1 into page 0 / register 1, bit D0 resets the
device.
5.2.1.2
Device Start-Up Lockout Times
After the TLV320AIC3110 is initialized through hardware reset at power up or software reset, the internal
memories are initialized to default values. This initialization takes place within 1 ms after pulling the
RESET signal high. During this initialization phase, no register-read or register-write operation should be
performed on ADC or DAC coefficient buffers. Also, no block within the codec should be powered up
during the initialization phase.
5.2.1.3
PLL Start-Up
Whenever the PLL is powered up, a start-up delay of approximately of 10 ms occurs after the power-up
command of the PLL and before the clocks are available to the codec. This delay is to ensure stable
operation of the PLL and clock-divider logic.
5.2.1.4
Power-Stage Reset
The power-stage-only reset is used to reset the device after an overcurrent latching shutdown has
occurred. Using this reset re-enables the output stage without resetting all of the registers in the device.
Each of the four power stages has its own dedicated reset bit. The headphone power-stage reset is
performed by setting page 1 / register 31, bit D7 for HPL and by setting page 1 / register 31, bit D6 for
HPR. The speaker power-stage reset is performed by setting page 1 / register 32, bit D7 for SPLP and
SPLM, and by setting page 1 / register 32, bit D6 for SPRP and SPRM.
Copyright 2009, Texas Instruments Incorporated
APPLICATION INFORMATION
19
Product Folder Link(s): TLV320AIC3110
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| TLV320AIC3110IRHBT | 功能描述:接口—CODEC Low-Pwr Audio Codec RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| TLV320AIC3111 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Low-Power Audio Codec With Embedded miniDSP and Stereo Class-D Speaker Amplifier |
| TLV320AIC3111_101 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Low-Power Audio Codec With Embedded miniDSP and Stereo Class-D Speaker Amplifier |
| TLV320AIC3111EVM-K | 功能描述:音頻 IC 開發(fā)工具 TLV320AIC3111 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
| TLV320AIC3111IRHBR | 功能描述:接口—CODEC Low-Pwr Audio CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
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