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| 型號(hào)： | PCM4108PAPR |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | HIGH-PERFORMANCE, 24-BIT, 216kHz SAMPLING, EIGHT-CHANNEL AUDIO DIGITAL-TO-ANALOG CONVERTER |
| 中文描述： | 高性能，24位，216kHz的最大采樣，八聲道音頻數(shù)字模擬轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 4/39頁(yè) |
| 文件大?。?/td> | 551K |
| 代理商： | PCM4108PAPR |
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SBAS354 JUNE 2005
www.ti.com
4
ELECTRICAL CHARACTERISTICS (continued)
All parameters are specified at TA = +25
°
C with VCC = +5V, VDD = +3.3V, and a measurement bandwidth from 10Hz to 20kHz, unless otherwise
noted. System clock frequency is equal to 256fS for Single and Dual Rate sampling modes, and 128fS for Quad Rate sampling mode.
PCM4108
PARAMETER
UNITS
MAX
TYP
MIN
CONDITIONS
DYNAMIC PERFORMANCE WITH 24-BIT DATA(1)
fS = 48kHz
Total harmonic distortion + noise
THD+N
f = 1kHz at 0dBFS
100
94
dB
f = 1kHz at 60dBFS
56
dB
Dynamic range, A-weighted
f = 1kHz at 60dBFS
112
118
dB
Idle channel SNR, A-weighted
All zero input data
119
dB
Idle channel SNR, unweighted
All zero input data
116
dB
Channel separation
f = 1kHz at 0dBFS for active channel
100
110
dB
fS = 96kHz
Total harmonic distortion + noise
THD+N
f = 1kHz at 0dBFS, BW = 10Hz to 40kHz
100
dB
f = 1kHz at 60dBFS, BW = 10Hz to 40kHz
53
dB
Dynamic range, A-weighted
f = 1kHz at 60dBFS
118
dB
Idle channel SNR, A-weighted
All zero input data
119
dB
Idle channel SNR, unweighted
All zero input data, BW = 10Hz to 40kHz
113
dB
Channel separation
f = 1kHz at 0dBFS for active channel
110
dB
fS = 192kHz
Total harmonic distortion + noise
THD+N
f = 1kHz at 0dBFS, BW = 10Hz to 40kHz
97
dB
f = 1kHz at 60dBFS, BW = 10Hz to 40kHz
53
dB
Dynamic range, A-weighted
f = 1kHz at 60dBFS
118
dB
Idle channel SNR, A-weighted
All zero input data
118
dB
Idle channel SNR, unweighted
All zero input data, BW = 10Hz to 40kHz
113
dB
Channel separation
f = 1kHz at 0dBFS for active channel
110
dB
DYNAMIC PERFORMANCE WITH 16-BIT DATA
fS = 44.1kHz
Total harmonic distortion + noise
THD+N
f = 1kHz at 0dBFS
92
dB
f = 1kHz at 60dBFS
33
dB
Dynamic range, A-weighted
Idle channel SNR, A-weighted(2)
f = 1kHz at 60dBFS
96
dB
All zero input data
118
dB
Idle channel SNR, unweighted(2)
All zero input data
115
dB
(1)Dynamic performance parameters are measured using an Audio Precision System Two Cascade or Cascade Plus test system. Input data word
length is 24 bits with triangular PDF dither added for dynamic range and THD+N tests. Idle channel SNR is measured with both the soft and
zero data mute functions disabled and 0% full-scale input data with no dither applied. The measurement bandwidth is limited by using the Audio
Precision 10Hz high-pass filter in combination with either the AES17 20kHz low-pass filter or AES17 40kHz low-pass filter. All A-weighted
measurements are performed using the Audio Precision A-weighting filter in combination with either the 22kHz or 80kHz low-pass filter.
Measurement mode is set to RMS for all parameters. The AVERAGE measurement mode will yield better typical performance numbers.
(2)Idle Channel SNR is not limited by word length.
P
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|---|---|
| PCM4108PAPT | 制造商:TI 制造商全稱:Texas Instruments 功能描述:HIGH-PERFORMANCE, 24-BIT, 216kHz SAMPLING, EIGHT-CHANNEL AUDIO DIGITAL-TO-ANALOG CONVERTER |
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