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參數(shù)資料
| 型號： | STW5094 |
| 廠商： | 意法半導(dǎo)體 |
| 元件分類： | Codec |
| 英文描述： | 18 BIT 8kHz TO 48kHz LOW POWER STEREO AUDIO DAC WITH INTEGRATED POWER AMPLIFIERS AND VOICE CODEC |
| 中文描述： | 18位8kHz至48kHz的低功耗立體聲音頻DAC，具有集成功率放大器和語音編解碼器 |
| 文件頁數(shù)： | 26/37頁 |
| 文件大?。?/td> | 447K |
| 代理商： | STW5094 |
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STw5094
26/37
VOICE CODEC CHARACTERISTICS
(unless otherwise specified, V
CC
= 2.7V to 3.3V, T
amb
= -30°C to 85°C;
FS Frequency = 8kHz; typical characteristics are specified at V
CC
= 3.0V, T
amb
= 25°C, MIC1
2 = 0dBm0,
DR = -6dBm0 PCM code, f = 1015.625 Hz; all signal are referenced to GND)
AMPLITUDE RESPONSE
Transmit path
(*) The limit at frequencies between 4600Hz and 8000Hz lies on a straight line connecting the two frequencies on a linear (dB) scale versus
log (Hz) scale.
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
G
XA
Transmit Gain Absolute Accuracy
Transmit Gain Programmed for
minimum. Measure deviation of
Digital PCM Code from ideal
0dB
m0
PCM code at DX
-0.5
0.5
dB
G
XAG
Transmit Gain Variation with
programmed gain
Measure Transmit Gain over the
range from Maximum to minimum
setting. Calculate the deviation
from the programmed gain
relative to GXA,
i.e. G
AXG
= G
actual
- G
prog.
- G
XA
-0.5
0.5
dB
G
XAT
Transmit Gain Variation with
temperature
Measured relative to G
XA
.
min. gain < G
X
< Max. gain
-0.1
0.1
dB
G
XAV
Transmit Gain Variation with
supply
Measured relative to G
XA
G
X
= Minimum gain
-0.1
0.1
dB
G
XAF8
Transmit Gain Variation with
frequency.
FS Frequency = 8kHz (VFS=0)
Digital filter characteristics
f = 60 Hz
f = 100 Hz
f = 200 Hz
f = 300 Hz
f = 400 Hz to 3000 Hz
f = 3400 Hz
f = 4000 Hz
f = 4600 Hz (*)
f = 8000 Hz (*)
-1.5
-0.5
-1.5
-30
-20
-6
0.5
0.5
0.0
-14
-35
-47
dB
dB
dB
dB
dB
dB
dB
dB
dB
G
XAF16
Transmit Gain Variation with
frequency.
FS Frequency = 16kHz (VFS=1)
Digital filter characteristics
f = 100 Hz
f = 200 Hz to 6000 Hz
f = 6800 Hz
f = 8000 Hz
f = 9200 Hz (*)
f = 16000 Hz (*)
-1.5
-0.5
-1.5
0.5
0.5
0.0
-14
-35
-47
dB
dB
dB
dB
dB
dB
G
XAL
Transmit Gain Variation with
signal level
Sinusoidal Test method.
Reference Level = -10 dBm0
V
MIC
= -40 dBm0 to +3 dBm0
V
MIC
= -50 dBm0 to -40 dBm0
V
MIC
= -55 dBm0 to -50 dBm0
-0.5
-0.5
-1.2
0.5
0.5
1.2
dB
dB
dB
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| STW5094A | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:18-bit Low Power Asynchronous Stereo Audio DAC with Integrated Power Amplifiers and Voice Codec |
| STW5094A_05 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:18-bit Low Power Asynchronous Stereo Audio DAC with Integrated Power Amplifiers and Voice Codec |
| STW5094AD | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:18-bit Low Power Asynchronous Stereo Audio DAC with Integrated Power Amplifiers and Voice Codec |
| STW5094AD/LF | 功能描述:音頻 DSP 18B Lo Pwr async stereo audio DAC RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
| STW5094ADEMO | 制造商:STMicroelectronics 功能描述:5962F8974902VXA - Bulk |
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