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參數資料
| 型號： | TLV320DAC3100IRHBT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | DAC |
| 英文描述： | DAC WITH PROGRAMMABLE PLL, PQCC32 |
| 封裝： | 5 X 5 MM, GREEN, PLASTIC, QFN-32 |
| 文件頁數： | 41/97頁 |
| 文件大小： | 1134K |
| 代理商： | TLV320DAC3100IRHBT |
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SLAS671 – FEBRUARY 2010
www.ti.com
3. Program analog blocks
(a) Set register page to 1
(b) Program common-mode voltage
(c) Program headphone-specific de-pop settings (in case headphone driver is used)
(d) Program routing of DAC output to the output amplifier (headphone/lineout or speaker)
(e) Unmute and set gain of output drivers
(f) Power up output drivers
4. Apply waiting time determined by the de-pop settings and the soft-stepping settings of the driver gain,
or poll page 1 / register 63
5. Power up DAC
(a) Set register page to 0
(b) Power up DAC channels and set digital gain
(c) Unmute digital volume control
A detailed example can be found in Section 5.5.15.
5.5.15 Example Register Setup to Play Digital Data Through DAC and Headphone/Speaker
Outputs
A typical EVM I2C register control script follows to show how to set up the TLV320DAC3101 in playback
mode with fS = 44.1 kHz and MCLK = 11.2896 MHz.
# Key: w 30 XX YY ==> write to I2C address 0x30, to register 0xXX, data 0xYY
#
# ==> comment delimiter
#
# The following list gives an example sequence of items that must be executed in the time
# between powering the # device up and reading data from the device. Note that there are
# other valid sequences depending on which features are used.
# 1. Define starting point:
#
(a) Power up applicable external hardware power supplies
#
(b) Set register page to 0
#
w 30 00 00
#
(c) Initiate SW reset (PLL is powered off as part of reset)
#
w 30 01 01
#
# 2. Program clock settings
#
(a) Program PLL clock dividers P, J, D, R (if PLL is used)
#
# PLL_clkin = MCLK,codec_clkin = PLL_CLK
w 30 04 03
# J = 8
w 30 06 08
# D = 0000, D(13:8) = 0, D(7:0) = 0
w 30 07 00 00
#
(b) Power up PLL (if PLL is used)
# PLL Power up, P = 1, R = 1
#
w 30 05 91
#
(c) Program and power up NDAC
#
# NDAC is powered up and set to 8
w 30 0B 88
#
(d) Program and power up MDAC
#
# MDAC is powered up and set to 2
w 30 0C 82
#
(e) Program OSR value
#
# DOSR = 128, DOSR(9:8) = 0, DOSR(7:0) = 128
46
APPLICATION INFORMATION
Copyright 2010, Texas Instruments Incorporated
Product Folder Link(s): TLV320DAC3100
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相關代理商/技術參數 |
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|---|---|
| TLV320DAC3101 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Low-Power Stereo Audio DAC With Audio Processing and Stereo Class-D Speaker Amplifier |
| TLV320DAC3101EVM-U | 功能描述:音頻 IC 開發工具 TLV320DAC3101EVM-U Eval Mod RoHS:否 制造商:Texas Instruments 產品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
| TLV320DAC3101IRHBR | 功能描述:音頻數/模轉換器 IC Low-Pwr audio DAC RoHS:否 制造商:Texas Instruments 轉換器數量: 分辨率:16 bit 接口類型:I2S, UBS 轉換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| TLV320DAC3101IRHBT | 功能描述:音頻數/模轉換器 IC Low-Pwr audio DAC RoHS:否 制造商:Texas Instruments 轉換器數量: 分辨率:16 bit 接口類型:I2S, UBS 轉換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| TLV320DAC3120 | 制造商:TI 制造商全稱:Texas Instruments 功能描述: |
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