參數(shù)資料
型號(hào): PCM1742
英文描述: 24-Bit, 192kHz Sampling Enhanced Multilevel, Delta-Sigma, Audio DIGITAL-TO-ANALOG CONVERTER
中文描述: 24位192kHz采樣加強(qiáng)多層次,Δ-Σ,音頻數(shù)字模擬轉(zhuǎn)換器
文件頁(yè)數(shù): 6/22頁(yè)
文件大小: 322K
代理商: PCM1742
PCM1742
SBAS176
6
TYPICAL PERFORMANCE CURVES
(Cont.)
All specifications at T
A
= +25
°
C, V
CC
= 5.0V, V
DD
= 3.3V, system clock = 384f
S
(f
S
= 44.1kHz), and 24-bit input data, unless otherwise noted.
De-Emphasis
(Cont.)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10.0
DE-EMPHASIS (f
S
= 44.1kHz)
0
2
4
6
8
10
12
14
16
18
20
Frequency (kHz)
L
0.5
0.4
0.3
0.2
0.1
0.0
0.1
0.2
0.3
0.4
0.5
DE-EMPHASIS ERROR (f
S
= 44.1kHz)
0
2
4
6
8
10
12
14
16
18
20
Frequency (kHz)
E
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10.0
DE-EMPHASIS (f
S
= 48kHz)
0
2
4
6
8
10
12
14
16
18
22
Frequency (kHz)
L
0.5
0.4
0.3
0.2
0.1
0.0
0.1
0.2
0.3
0.4
0.5
DE-EMPHASIS ERROR (f
S
= 48kHz)
0
2
4
6
8
10
12
14
16
18
22
Frequency (kHz)
E
ANALOG DYNAMIC PERFORMANCE
All specifications at T
= +25
°
C, V
= 5.0V, V
DD
= 3.3V, and 24-bit input data, unless otherwise noted. Conditions in 192kHz operation are: system clock = 128f
S
and oversampling rate = 64f
of Register 18.
Supply-Voltage Characteristics
10
1
0.1
0.01
0.001
THD+N vs V
CC
(V
DD
= 3.3V)
2.4
2.7
3
3.6
3.3
3.9
V
CC
(V)
T
60dB/96kHz, 384f
S
60dB/44.1kHz, 384f
S
0dB/96kHz, 384f
S
0dB/44.1kHz, 384f
S
60dB/192kHz, 384f
S
0dB/192kHz, 384f
S
110
108
106
104
102
100
98
96
DYNAMIC RANGE vs V
CC
(V
DD
= 3.3V)
4
4.5
5
5.5
6
V
CC
(V)
D
44.1kHz, 384f
S
96kHz, 384f
S
192kHz, 384f
S
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PCM1742EG4 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24-Bit 192kHZ Samp Enh Delta-Sig DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
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