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參數資料
| 型號： | TLV320AIC33IGQER |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PBGA80 |
| 封裝： | 5 X 5 MM, PLASTIC, VFBGA-80 |
| 文件頁數： | 35/93頁 |
| 文件大?。?/td> | 1427K |
| 代理商： | TLV320AIC33IGQER |
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0dBto -78dB
0dBto -78dB
+
LINE2L/MIC2L
LINE2R/MIC2R
PGA_L
PGA_R
DAC_L1
DAC_R1
ANALOG HIGH POWER OUTPUT DRIVERS
SLAS480B – JANUARY 2006 – REVISED DECEMBER 2008 ........................................................................................................................................... www.ti.com
The DAC_L/R signals are the outputs of the stereo audio DAC, which can be steered by register control based
on the requirements of the system. If mixing of the DAC audio with other signals is not required, and the DAC
output is only needed at the stereo line outputs, then it is recommended to use the routing through path
DAC_L3/R3 to the fully differential stereo line outputs. This results not only in higher quality output performance,
but also in lower power operation, since the analog volume controls and mixing blocks ahead of these drivers
can be powered down.
If instead the DAC analog output must be routed to multiple output drivers simultaneously (such as to
LEFT_LOP/M, RIGHT_LOP/M, and MONO_LOP/M) or must be mixed with other analog signals, then the DAC
outputs should be switched through the DAC_L1/R1 path. This option provides the maximum flexibility for routing
of the DAC analog signals to the output drivers
The TLV320AIC33 includes an output level control on each output driver with limited gain adjustment from 0 dB
to 9 dB. The output driver circuitry in this device are designed to provide a low distortion output while playing
fullscale stereo DAC signals at a 0dB gain setting. However, a higher amplitude output can be obtained at the
cost of increased signal distortion at the output. This output level control allows the user to make this tradeoff
based on the requirements of the end equipment. Note that this output level control is not intended to be used as
a standard output volume control. It is expected to be used only sparingly for level setting, i.e., adjustment of the
fullscale output range of the device.
Each differential line output driver can be powered down independently of the others when it is not needed in the
system. When placed into powerdown through register programming, the driver output pins will be placed into a
tri-stated, high-impedance state.
The TLV320AIC33 includes four high power output drivers with extensive flexibility in their usage. These output
drivers are individually capable of driving 30 mW each into a 16-
load in single-ended configuration, and they
can be used in pairs to drive up to 500 mW into an 8-
load connected in bridge-terminated load (BTL)
configuration between two driver outputs.
The high power output drivers can be configured in a variety of ways, including:
1. driving up to two fully differential output signals
2. driving up to four single-ended output signals
3. driving two single-ended output signals, with one or two of the remaining drivers driving a fixed VCM level,
for a pseudo-differential stereo output
4. driving one or two 8-
speakers connected BTL between pairs of driver output pins
40
Copyright 2006–2008, Texas Instruments Incorporated
Product Folder Link(s): TLV320AIC33
相關PDF資料 |
PDF描述 |
|---|---|
| TLV320AIC33IGQE | SPECIALTY CONSUMER CIRCUIT, PBGA80 |
| TLV320AIC33IRGZR | SPECIALTY CONSUMER CIRCUIT, PQCC48 |
| TLV320AIC33IZQER | SPECIALTY CONSUMER CIRCUIT, PBGA80 |
| TLV320AIC33IZQE | SPECIALTY CONSUMER CIRCUIT, PBGA80 |
| TLV320AIC33IRGZT | SPECIALTY CONSUMER CIRCUIT, PQCC48 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| TLV320AIC33IRGZ | 制造商:Texas Instruments 功能描述:LOW POWER STEREO CODEC WITH 6 INPUTS, 7 OUTPUTS, INTEGRATED - Trays |
| TLV320AIC33IRGZR | 功能描述:接口—CODEC Low-Pwr Stereo CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量: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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| TLV320AIC33IRGZR | 制造商:Texas Instruments 功能描述:AUDIO CODEC IC ((NW)) 制造商:Texas Instruments 功能描述:IC, AUDIO CODEC, 24BIT, 96KHZ, QFN-48 |
| TLV320AIC33IRGZRG4 | 功能描述:接口—CODEC Lo-Pwr Stereo CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量: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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| TLV320AIC33IRGZT | 功能描述:接口—CODEC Lo-Pwr Stereo CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量: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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
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