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| 型號： | SI3000PPT-EVB |
| 廠商： | Silicon Laboratories Inc |
| 文件頁數(shù)： | 30/34頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVALUATION FOR SI3000 |
| 標準包裝： | 1 |
| 主要目的： | 音頻編解碼器 |
| 已用 IC / 零件： | SI3000 |
| 已供物品： | 主板和子卡組套 |
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Si3000
Rev. 1.4
5
Table 4. AC Characteristics
(VA, VD = 5 V ±5% or 3.3 V ±10%, TA = 0 to 70°C)
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
ADC Resolution
—
16
—
Bits
ADC Dynamic Range1,2
ADCDR
VIN = 1 kHz, –3 dB
80
84
—
dB
ADC Total Harmonic Distortion3
ADCTHD
VIN = 1 kHz, –3 dB, MIC/LINEI
—
–80
–62
dB
VA, VD = 3.3 V ±10%
VIN = 1 kHz, –3 dB, HDST
—
–80
–62
ADC Total Harmonic Distortion3
ADCTHD
VIN = 1 kHz, –3 dB, MIC/LINEI
—
–80
–76
dB
VA, VD = 5 V ±5%
VIN = 1 kHz, –3 dB, HDST
—
–80
–71
ADC Full Scale Level (0 dB gain)4
VRX
Vin = 1 kHz
—
1
—
Vrms
ADC Programmable Input Gain
–34.5
—
12
dB
ADC Input Gain Step Size
—
1.5
—
dB
ADC Freq Response5
FRR
Low –3 dB corner
—
33
—
Hz
ADC Freq Response5
FRR
300 Hz
–0.1
—
0
dB
ADC Freq Response
FRR
3400 Hz
–0.2
—
0
dB
Line In Preamp Gain
—
0/10/20
—
dB
Mic In Preamp Gain
—
0/10/20/
30
—
dB
ADC Input Resistance
0 dB Preamp Gain
—
20
—
k
ADC Input Capacitance
—
15
—
pF
ADC Gain Drift
AT
VIN = 1 kHz
—
0.002
—
dB/°C
DAC Resolution
—
16
—
Bits
DAC Dynamic Range1,2
DACDR
VIN = 1 kHz, –6 dB
80
84
—
dB
DAC Total Harmonic Distortion3
DACTHD
VIN=1 kHz,–6 dB,LINEO,600
—
–76
–60
dB
VA, VD = 3.3 V ±10%
VIN=1 kHz,–6 dB, SPKR, 60
—
–72
–60
VIN=1 kHz,–6 dB, HDST, 600
—
–80
–70
DAC Total Harmonic Distortion3
DACTHD
VIN=1 kHz,–3 dB,LINEO,600
—
–76
–65
dB
VA, VD = 5 V ±5%
VIN=1 kHz,–3 dB, SPKR, 60
—
–72
–65
VIN=1 kHz,–3 dB, HDST, 600
—
–80
–76
DAC Full Scale Level (0 dB gain)
VRX
—
1
—
Vrms
DAC Programmable Output Gain
–34.5
—
12
dB
Notes:
1.
DR = VIN + 20 log (RMS signal/RMS noise). Measurement bandwidth is 300 to 3400 Hz. Valid sample rate ranges
between 4000 and 12000 Hz.
2.
0 dB setting for analog and digital attenuation/gain.
3.
THD = 20 log (RMS distortion/RMS signal). Valid sample rate ranges between 4000 and 12000 Hz.
4.
At 0 dB gain setting, 1 Vrms input corresponds to –1.5 dB of full scale digital output code.
5.
These characteristics are determined by external components. See Figure 13.
6.
With a 600
load. Output starts clipping with half of full scale digital input, which corresponds to a 0.5 Vrms output.
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