參數(shù)資料
型號： TLV320AIC34_1
廠商： Texas Instruments, Inc.
元件分類： Codec
英文描述： FOUR-CHANNEL, LOW-POWER AUDIO CODEC FOR PORTABLE AUDIO/TELEPHONY
中文描述： 四通道，低功耗音頻編解碼器的便攜式音頻/電話
文件頁數(shù)： 10/94頁
文件大小： 905K
代理商： TLV320AIC34_1
www.ti.com
TLV320AIC34
SLAS538A–OCTOBER 2007–REVISED NOVEMBER 2007
ELECTRICAL CHARACTERISTICS (continued)
At 25
°
C, AVDD_DAC, DRVDD, IOVDD = 3.3 V, DVDD = 1.8 V, f
S
= 48-kHz, 16-bit audio data (unless otherwise noted)
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ADC DIGITAL DECIMATION FILTER, f
S
= 48 kHz,
Codec Block A, B
Filter gain from 0 to 0.39 f
S
Filter gain at 0.4125 f
S
Filter gain at 0.45 f
S
Filter gain at 0.5 f
S
Filter gain from 0.55 f
S
to 64 f
S
Filter group delay
±0.1
dB
–0.25
dB
–3
dB
–17.5
dB
–75
dB
17/f
S
s
MICROPHONE BIAS,
Codec Block A, B
Programmable setting = 2 V, load current = 4 mA
2
Bias voltage
Programmable setting = 2.5 V, load current = 4 mA
2.3
2.4
2.7
V
Programmable setting = DRVDD (3.3 V), load current = 4 mA
3
Current sourcing
Programmable setting = 2.5 V
4
mA
AUDIO DAC – DIFFERENTIAL LINE OUTPUT, Load = 10 k
,
Codec Block A, B
0-dB input full-scale signal, output volume control = 0 dB,
output common-mode setting = 1.35 V
Full-scale output voltage
1.414
V
RMS
No input signal, output volume control = 0 dB, output
common-mode setting = 1.35 V, f
S
= 48 kHz, A-weighted
–60 dB, 1-kHz input full-scale signal, output volume control =
0 dB, output common-mode setting = 1.35 V, f
S
= 48 kHz,
A-weighted
SNR
Signal-to-noise ratio
(3)
90
99
dB
Dynamic range
95
dB
0-dB, 1-kHz input full-scale signal, output volume control = 0
dB, output common-mode setting = 1.35 V, f
S
= 48 kHz
217-Hz signal applied to AVDD_DAC
THD
Total harmonic distortion
–88
–75
dB
77
PSRR
Power-supply rejection ratio
dB
1-kHz signal applied to AVDD_DAC
73
DAC channel separation
0-dB full-scale input signal between left and right lineout
123
dB
0-dB, 1-kHz input full-scale signal, output volume control =
0 dB, output common-mode setting = 1.35 V, f
S
= 48 kHz
DAC gain error
–0.49
dB
AUDIO DAC – SINGLE-ENDED LINE OUTPUT, Load = 10 k
,
Codec Block A, B
0-dB input full-scale signal, output volume control = 0 dB,
output common-mode setting = 1.35 V
Full-scale output voltage
0.707
Vrms
No input signal, output volume control = 0 dB, output
common-mode setting = 1.35 V, f
S
= 48 kHz, A-weighted
0-dB, 1-kHz input full-scale signal, output volume control =
0 dB, output common-mode setting = 1.35 V, f
S
= 48 kHz
0-dB, 1-kHz input full-scale signal, output volume control =
0 dB, output common-mode setting = 1.35 V, f
S
= 48 kHz
SNR
Signal-to-noise ratio
94
dB
THD
Total harmonic distortion
79
dB
DAC gain error
–0.5
dB
(3)
Unless otherwise noted, all measurements use output common-mode voltage setting of 1.35 V, 0-dB output level control gain, 16-
single-ended load.
10
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Copyright 2007, Texas Instruments Incorporated
Product Folder Link(s):
TLV320AIC34
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參數(shù)描述
TLV320AIC34EVM-K 功能描述:音頻 IC 開發(fā)工具 TLV320AIC34EVM-K 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
TLV320AIC34IZAS 功能描述:接口—CODEC Low-Pwr 4-channel 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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
TLV320AIC34IZASR 功能描述:接口—CODEC Low-Pwr 4-channel 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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
TLV320AIC36 制造商:TI 制造商全稱:Texas Instruments 功能描述:Low Power Stereo Audio Codec With Embedded miniDSP
TLV320AIC36EVM-K 功能描述:音頻 IC 開發(fā)工具 TLV320AIC36 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
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