參數(shù)資料
型號: PCM1804DBR
英文描述: FULL DIFFERENTIAL ANALOG INPUT 24-BIT, 192-kHz STEREO A/D CONVERTER
中文描述: 全差分模擬輸入24位,192千赫立體聲A / D轉換器
文件頁數(shù): 29/31頁
文件大小: 470K
代理商: PCM1804DBR
PCM1804
SLES022A
DECEMBER 2001
29
www.ti.com
APPLICATION INFORMATION
_
+
4.99 k
4.99 k
OPA2134 1/2
+
10
μ
R1 = 3 k
_
+
100 pF (See Note)
R5 = 51.1
R3 = 909
100 pF
VIN
_
+
R4 = 909
100 pF (See Note)
R6 = 51.1
0.1
μ
F
+
10
μ
R2 = 3 k
OPA2134 1/2
100 pF
VIN+
VCOM
0.022
μ
F
PCM1804
Analog In
OPA2134 1/2
NOTE: 3300 pF is recommended if the input signal level is more than
6 dB of FS at 100 kHz is applied in DSD mode.
Figure 44. Application Circuit for Single-Ended Input Circuit (PCM)
_
+
_
+
VCOM
VREF
VIN+
VIN
BGR
Σ
Modulator
Figure 45. Equivalent Circuit of Internal Reference (V
COM
, V
REF
)
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