參數(shù)資料
型號： TLV320DAC3120IRHBR
廠商： TEXAS INSTRUMENTS INC
元件分類： DAC
英文描述： SERIAL INPUT LOADING, 24-BIT DAC, PQCC32
封裝： 5 X 5 MM, PLASTIC, QFN-32
文件頁數(shù)： 31/110頁
文件大?。?/td> 1230K
代理商： TLV320DAC3120IRHBR
DACChannelResponseforInterpolationFilterB
(RedLineCorrespondsto –58dB)
0.5
1
1.5
2
2.5
3
3.5
FrequencyNormalizedtofS
0
–10
–20
–30
–40
–50
–60
–70
–80
Magnitude
–
dB
0
–10
–20
–30
–40
–50
–60
–70
Magnitude
–
dB
0
0.2
0.4
0.6
0.8
1
1.2
1.4
FrequencyNormalizedtof
S
DACChannelResponseforInterpolationFilterC
(RedLineCorrespondsto –43dB)
www.ti.com
SLAS659 – NOVEMBER 2009
Figure 5-12. Frequency Response of Channel Interpolation Filter B
5.6.1.4.3 Interpolation Filter C
Filter C is specifically designed for the 192-ksps mode. The pass band extends up to 0.4 × fS
(corresponds to 80 kHz), more than sufficient for audio applications.
Figure 5-13. Frequency Response of DAC Interpolation Filter C
Table 5-12. Specification for DAC Interpolation Filter C
Parameter
Condition
Value (Typical)
Unit
Filter-gain pass band
0 … 0.35 fS
±0.03
dB
Filter-gain stop band
0.6 fS … 1.4 fS
–43
dB
Filter group delay
13/fS
s
5.6.2
DAC Digital-Volume Control
The DAC has a digital volume-control block which implements programmable gain. Each channel has an
independent volume control that can be varied from 24 dB to –63.5 dB in 0.5-dB steps. The mono-channel
DAC volume can be controlled by writing to page 0 / register 65, bits D7–D0. DAC muting and setting up a
master gain control to control the mono channel is done by writing to page 0 / register 64, bits D3 and D1.
The gain is implemented with a soft-stepping algorithm, which only changes the actual volume by
Copyright 2009, Texas Instruments Incorporated
APPLICATION INFORMATION
27
Product Folder Link(s): TLV320DAC3120
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TLV320DAC3120IRHBT 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC Lo-Pwr Audio DAC w/ Audio Proc 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
TLV320DAC3120IRHBT 制造商:Texas Instruments 功能描述:D/A Converter (D-A) IC 制造商:Texas Instruments 功能描述:IC, DAC, 32BIT, 192KSPS, QFN-32
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TLV320DAC3202 制造商:TI 制造商全稱:Texas Instruments 功能描述:LOW POWER HIGH FIDELITY I2S INPUT HEADSET IC
TLV320DAC3202BYZJR 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC Lo Pwr Hi Fidelity I2S Input Headset IC 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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