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參數(shù)資料
| 型號(hào)： | STW5094AD/LF |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | DAC |
| 英文描述： | SERIAL INPUT LOADING, 18-BIT DAC, PBGA36 |
| 封裝： | 6 X 6 MM, 1.2 MM HEIGHT, TFBGA-36 |
| 文件頁(yè)數(shù)： | 42/52頁(yè) |
| 文件大?。?/td> | 596K |
| 代理商： | STW5094AD/LF |
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TYPICAL PERFORMANCE CHARACTERISTICS (cont.)
TYPICAL PERFORMANCE CHARACTERISTICS (Measures)
Plot 7.
In band Frequency response. FS=8 kHz
High Pass filter disabled (HPB=1).
-1
-0.5
0
0.5
1
0
500
1000
1500
2000
2500
3000
3500
A
m
plitud
e
[dB
]
Freq. [Hz]
Digital Rx Voice Filter Characteristic (No High Pass Filt.)
Plot 8.
Audio signal transfer function when the Dynamic
Compressor is active.
-1
-0.75
-0.5
-0.25
0
0.25
0.5
0.75
1
-1
-0.75 -0.5 -0.25
0
0.25
0.5
0.75
1
Out
put
A
m
p
litude
[FS
]
Input Amplitude [FS]
Dynamic Compressor Transfer Function
Plot 9.
1 kHz Input signal applied at Au I
F input (L & R).
Left and right single ended drivers gain set to -6 dB.
VCC=2.7V, Fs=48kHz, 18 bits input word. A-weighted
20
30
40
50
60
70
80
90
100
-70
-60
-50
-40
-30
-20
-10
0
S
/N
[dB
]
Signal Amplitude [Hz]
Signal to Noise ratio vs Signal Amplitude in Audio Mode
Plot 10.
FFT audio mode (8192 points). 1k
load
Full scale 1kHz input signal applied at Au I
F input.
Both channels active, Left channel plotted
VCC=2.7V, Fs=48kHz, 18 bits input. 12MHz AMCK
-120
-100
-80
-60
-40
-20
0
5000
10000
15000
20000
S
ign
al
A
m
plitu
de
[d
B
r]
0
d
B
r=
2
V
p
Frequency [Hz]
Audio DAC Performance at HPL with 1k
load to VCMHP
Plot 12.
FFT FM mode (8192 points). 16
load
1 kHz Signal applied at FM inputs
Both channels active and loaded, left channel plotted
VCC=2.7V, 12MHz AMCK
-120
-100
-80
-60
-40
-20
0
5000
10000
15000
20000
S
ign
al
A
m
plitud
e
[dB
r]
0
dB
r=
2
V
p
Frequency [Hz]
FM mode Performance at HPL with 16
load to VCMHP
10
20
30
40
50
60
70
80
90
-70
-60
-50
-40
-30
-20
-10
0
S/
(N
+
T
HD)
[
d
B
]
Signal Amplitude [dB]
Voice Mode SINAD: Receive (RX) and Transmit (TX) path
Plot 11.
1 kHz Signal applied at PCM (RX) or Mic1 (TX) input.
RX: 0 dB gain differential output (0dB=4Vpp out), 8
load.
TX: 20 dB input gain (0dB=0.2Vpp input).
VCC=2.7V, Fs=8kHz, 300-3400 Hz Linear Weight.
RX Path
TX Path
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| STW5094ADT | 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 |
| STW5094ADT/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 |
| STW5094ADTLF | 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 |
| STW5094T | 功能描述:音頻 DSP 14-Bit Linear CODEC 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 |
| STW5095 | 制造商:ST-Ericsson 功能描述:- Trays 制造商:STMicroelectronics 功能描述:AUD CODEC 1ADC / 1DAC 20-BIT 64TFBGA - Trays |
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