參數(shù)資料
型號(hào)： PCM3794ARHBT
元件分類(lèi)： Codec
英文描述： 16-Bit, Low-Power Stereo Audio CODEC With Microphone Bias, Headphone, and Digital Speaker Amplifier
中文描述： 16位，低功耗立體聲音頻編解碼器麥克風(fēng)偏置，耳機(jī)，揚(yáng)聲器放大器和數(shù)字
文件頁(yè)數(shù)： 3/68頁(yè)
文件大?。?/td> 982K
代理商： PCM3794ARHBT
www.ti.com
ELECTRICAL CHARACTERISTICS
All specifications at T
A
= 25
°
C, V
DD
= V
IO
= V
CC
= V
PA
= 3.3 V, f
S
= 48 kHz, system clock = 256 f
S
, and 16-bit data (unless
otherwise noted).
PCM3793A
PCM3794A
SLAS529A–JANUARY 2007–REVISED FEBRUARY 2007
PCM3793ARHB, PCM3794ARHB
MIN
PARAMETER
TEST CONDITIONS
UNIT
TYP
MAX
Audio Data Characteristics
DATA FORMAT
Resolution
16
Bits
I
2
S, left-,
right-
justified,
DSP
Audio data interface format
Audio data bit length
16
Bits
MSB first,
2s
complement
Audio data format
Sampling frequency (f
S
)
5
50
27
40
kHz
V
DD
< 2 V
V
DD
> 2 V
System clock
MHz
Digital Input/Output
CMOS
compatible
Logic family
V
IH
V
IL
I
IH
I
IL
V
OH
V
OL
Digital Input to Line Output Through DAC (LOL, LOR, and MONO)
R
L
= 10 k
, ALC = OFF, volume = 0 dB, speaker = powered down, analog mixing = disabled
DYNAMIC PERFORMANCE
0.7 V
IO
Input logic level
VDC
0.3 V
IO
V
IN
= 3.3 V
V
IN
= 0 V
I
OH
= –2 mA
I
OL
= 2 mA
10
Input logic current
μ
A
–10
0.75 V
IO
Output logic level
VDC
0.25 V
IO
2.828
Vp-p
Vrms
dB
dB
dB
Full-scale output voltage
0 dB
1
Dynamic range
Signal-to-noise ratio
Channel separation
Total harmonic distortion + noise
Load resistance
Line Input to Line Output Through Mixing Path (LOL, LOR, and MONO)
R
L
= 10 k
, ALC = OFF, volume = 0 dB, speaker = powered down, analog mixing = enabled
DYNAMIC PERFORMANCE
EIAJ, A-weighted
EIAJ, A-weighted
93
93
91
SNR
86
THD+N
0 dB
0.008%
10
k
2.828
Vp-p
Vrms
dB
Full-scale input and output
voltage
0 dB
1
SNR
Signal-to-noise ratio
EIAJ, A-weighted
84
93
3
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCM3794ARHBTG4 功能描述:接口—CODEC 16B Low Pwr Stereo Audio CODEC RoHS:否 制造商:Texas Instruments 類(lèi)型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類(lèi)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(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
PCM3794RHB 制造商:Texas Instruments 功能描述:
PCM3794RHBR 功能描述:接口—CODEC Very Low-Pwr Stereo CODEC RoHS:否 制造商:Texas Instruments 類(lèi)型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類(lèi)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(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
PCM3794RHBRG4 功能描述:接口—CODEC Very Low-Pwr Stereo CODEC RoHS:否 制造商:Texas Instruments 類(lèi)型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類(lèi)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(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
PCM3794RHBT 功能描述:接口—CODEC Very Low-Pwr Stereo CODEC RoHS:否 制造商:Texas Instruments 類(lèi)型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類(lèi)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(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
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