參數(shù)資料
型號(hào): PCM1754DBQR
英文描述: 24-BIT, 192 kHz SAMPLING ENHANCED MULTI-LEVEL, DELTA-SIGMA, AUDIO DIGITAL-TO-ANALOG CONVERTER
中文描述: 24位192千赫采樣增強(qiáng)的多級(jí)Δ-Σ,音頻數(shù)字模擬轉(zhuǎn)換器
文件頁(yè)數(shù): 7/33頁(yè)
文件大?。?/td> 309K
代理商: PCM1754DBQR
PCM1753
PCM1754
PCM1755
SLES092A – OCTOBER 2003 – REVISED AUGUST 2004
www.ti.com
7
TYPICAL PERFORMANCE CURVES
DIGITAL FILTER (DE-EMPHASIS OFF)
Figure 1. Frequency Response, Sharp Rolloff
Frequency [
×
f
S
]
140
120
100
80
60
40
20
0
0
1
2
3
4
A
AMPLITUDE
vs
FREQUENCY
Figure 2. Pass-Band Ripple, Sharp Rolloff
Frequency [
×
f
S
]
0.05
0.04
0.03
0.02
0.01
0.00
0.01
0.02
0.03
0.04
0.05
0.0
0.1
0.2
0.3
0.4
0.5
A
AMPLITUDE
vs
FREQUENCY
Figure 3. Frequency Response, Slow Rolloff
Frequency [
×
f
S
]
140
120
100
80
60
40
20
0
0
1
2
3
4
A
AMPLITUDE
vs
FREQUENCY
Frequency [
×
f
S
]
5
4
3
2
1
0
1
2
3
4
5
0.0
0.1
0.2
0.3
0.4
0.5
A
AMPLITUDE
vs
FREQUENCY
Figure 4. Transition Characteristics,
Slow Rolloff
All specifications at T
A
= 25 C, V
CC
= 5 V, f
S
= 44.1 kHz, system clock = 384 f
S,
and 24-bit data, unless otherwise noted
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