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參數(shù)資料
| 型號(hào)： | PCM4201PWR |
| 英文描述： | Low Power, 24-Bit, Single Channel Audio Analog-to-Digital Converter |
| 中文描述： | 低功耗，24位，單聲道音頻模擬數(shù)字轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 4/21頁(yè) |
| 文件大?。?/td> | 248K |
| 代理商： | PCM4201PWR |
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SBAS342A DECEMBER 2004 REVISED MARCH 2005
www.ti.com
4
ELECTRICAL CHARACTERISTICS (continued)
Unless otherwise specified, all characteristics are measured with TA = +25
°
C, VCC = +5V, and VDD = +3.3V. System clock frequency is set to
24.576 MHz. Device is operated in Slave mode.
PCM4201
PARAMETER
UNITS
MAX
TYP
MIN
CONDITIONS
DYNAMIC PERFORMANCE(2) with VCC = +5V and VDD = +1.8V
Normal Speed, Low Power, fS = 48kHz, BW = 22Hz to 20kHz
Total harmonic distortion + noise
THD+N
VIN = 0.5dB, fIN = 1kHz
VIN = 60dB, fIN = 1kHz, A-weighted
103
100
dB
Dynamic range
104
109
dB
Dynamic range, no weighting
VIN = 60dB, fIN = 1kHz
106
dB
Normal Speed, High Performance, fS = 48kHz, BW = 22Hz to 20kHz
Total harmonic distortion + noise
THD+N
VIN = 0.5dB, fIN = 1kHz
105
100
dB
Dynamic range
VIN = 60dB, fIN = 1kHz, A-weighted
VIN = 60dB, fIN = 1kHz
105
112
dB
Dynamic range, no weighting
110
dB
Double Speed, fS = 96kHz, BW = 22Hz to 40kHz
Total harmonic distortion + noise
THD+N
VIN = 0.5dB, fIN = 1kHz
103
100
dB
Dynamic range
VIN = 60dB, fIN = 1kHz, A-weighted
105
112
dB
Dynamic range, no weighting
DYNAMIC PERFORMANCE(2) with VCC = +5V and VDD = +3.3V
Normal Speed, Low Power, fS = 48kHz, BW = 22Hz to 20kHz
Total harmonic distortion + noise
VIN = 60dB, fIN = 1kHz
106
dB
THD+N
VIN = 0.5dB, fIN = 1kHz
VIN = 60dB, fIN = 1kHz, A-weighted
102
100
dB
Dynamic range
104
106
dB
Dynamic range, no weighting
VIN = 60dB, fIN = 1kHz
104
dB
Normal Speed, High Performance, fS = 48kHz, BW = 22Hz to 20kHz
Total harmonic distortion + noise
THD+N
VIN = 0.5dB, fIN = 1kHz
105
100
dB
Dynamic range
VIN = 60dB, fIN = 1kHz, A-weighted
VIN = 60dB, fIN = 1kHz
105
112
dB
Dynamic range, no weighting
109
dB
Double Speed, fS = 96kHz, BW = 22Hz to 40kHz
Total harmonic distortion + noise
THD+N
VIN = 0.5dB, fIN = 1kHz
103
100
dB
Dynamic range
VIN = 60dB, fIN = 1kHz, A-weighted
105
111
dB
Dynamic range, no weighting
VIN = 60dB, fIN = 1kHz
106
dB
DIGITAL DECIMATION FILTER
Passband edge
0.453fS
±
0.005
Hz
Passband ripple
dB
Stop band edge
0.547fS
Hz
Stop band attenuation
100
dB
Group delay
37/fS
sec
(1)Applies to RATE (pin 5) and S/M (pin 6) inputs.
(2)All typical dynamic performance specifications were measured using an Audio Precision System Two Cascade or Cascade Plus test system and a PCM4201EVM
evaluation module. For Normal Speed operation, the measurement bandwidth is limited using the Audio Precision 22Hz high-pass filter and 20kHz low-pass filter.
For Double Speed mode, the measurement bandwidth is limited using the Audio Precision 22Hz high-pass filter and a user-defined 40kHz low-pass filter (the
fS/2 low pass filter may be utilized with similar results). All A-weighted measurements are made using the Audio Precision A-weighting filter in combination with
the filters previously noted here. Minimum and maximum dynamic performance limits are based upon the capability of the production test solution.
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