參數(shù)資料
型號： TLV320DAC23IGQE
廠商： Texas Instruments, Inc.
英文描述： STEREO AUDIO D/A CONVERTER, 8-TO 96KHZ WITH INTERGRATED HEADPHONE AMPLIFIER
中文描述： 立體聲音頻D / A轉(zhuǎn)換，8到與96kHz的集成耳機(jī)放大器
文件頁數(shù)： 24/46頁
文件大?。?/td> 452K
代理商： TLV320DAC23IGQE
SLAS428 AUGUST 2004
www.ti.com
24
SPI DIGITAL INTERFACE
All ’DAC26 control registers are programmed through a standard SPI bus. The SPI allows full-duplex, synchronous, serial
communication between a host processor (the master) and peripheral devices (slaves). The SPI master generates the
synchronizing clock and initiates transmissions. The SPI slave devices depend on a master to start and synchronize
transmissions.
A transmission begins when initiated by a master SPI. The byte from the master SPI begins shifting in on the slave SPIDIN
(MOSI) pin under the control of the master serial clock. As the byte shifts in on the SPIDIN pin, a byte shifts out on the
SPIDOUT (MISO) pin to the master shift register.
The idle state of the serial clock for the ’DAC26 is low, which corresponds to a clock polarity setting of 0 (typical
microprocessor SPI control bit CPOL = 0). The ’DAC26 interface is designed so that with a clock phase bit setting of 1
(typical microprocessor SPI control bit CPHA = 1), the master begins driving its MOSI pin and the slave begins driving its
SPIDOUT pin on the first serial clock edge. The SS pin can remain low between transmissions; however, the ’DAC26 only
interprets command words which are transmitted after the falling edge of SS.
Hardware Reset
The device requires a low-to-high pulse on RESET after power up for correct operation. A hardware reset pulse initializes
all the internal registers, counters, and logic.
Hardware Power Down
By default the PWD pin is configured as a hardware power-down (active low) signal. The device powers down all the internal
circuitry to save power. All the register contents are maintained. Some counters maintain their value.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TLV320DAC23IGQER 功能描述:數(shù)模轉(zhuǎn)換器- DAC Low-Power Portable Aud Converter RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
TLV320DAC23IPW 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC Low-Power Portable Aud Converter RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
TLV320DAC23IPWG4 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC Low-Power Portable Aud Converter RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
TLV320DAC23IPWR 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC Low-Power Portable Aud Converter RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
TLV320DAC23IPWRG4 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC Octal Bus Trnscvr With 3-State Outputs RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
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