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
文件頁數(shù): 24/33頁
文件大?。?/td> 309K
代理商: PCM1754DBQR
PCM1753
PCM1754
PCM1755
SLES092A – OCTOBER 2003 – REVISED AUGUST 2004
www.ti.com
24
V
COM
Output
One unbuffered common-mode voltage output pin, V
COM
(pin 10) is brought out for decoupling purposes. This
pin is nominally biased to a dc voltage level equal to 0.5 V
CC
. This pin can be used to bias external circuits.
Figure 27 shows an example of using the V
COM
pin for external biasing applications.
OPA337
+
V
COM
10
μ
F
+
PCM1753/54/55
Buffered V
COM
V
CC
V
OUT
X
10
μ
F
+
PCM1753/54/55
A
V
1, where A
V
R
2
R
1
V
COM
X = L or R
1/2
OPA2353
+
Filtered
Output
V
CC
2
3
1
C
1
R
3
R
2
C
2
R
1
10
μ
F
+
(a) Using V
COM
to Bias a Single-Supply Filter Stage
(b) Using a Voltage Follower to Buffer V
COM
When Biasing Multiple Nodes
Figure 27. Biasing External Circuits Using the V
COM
Pin
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