Datasheet
AD1852
Rev. A | Page 16 of 20
U1
AD1852JRS
96/48
192/48
NC
SDATA
LRCLK
BCLK
MCLK
IDPM0
IDPM1
DEEMP
MUTE
CLATCH
CCLK
CDATA
ZEROR
ZEROL
RESET
DGND
AGND
OUTL+
OUTL–
OUTR+
OUTR–
FILTB
AVDDDVDD
C9
220pF
NP0
R9
1.96kΩ
R11
1.96kΩ
C10
220pF
NP0
R16
1.87kΩ
R10
1.96kΩ
R20
200Ω
J11
LEFT
OUT
C15
10nF
NP0
U3B
SSM2135
R8
1.96kΩ
C14
1nF
NP0
R17
1.87kΩ
C13
1nF
NP0
C11
220pF
NP0
R13
1.96kΩ
R15
1.96kΩ
C12
220pF
NP0
R18
1.87kΩ
R14
1.96kΩ
R21
200Ω
J21
RIGHT
OUT
C18
10nF
NP0
U3A
SSM2135
R12
1.96kΩ
C17
1nF
NP0
R19
1.87kΩ
C16
1nF
NP0
C5
100nF
+AV
CC
–AV
CC
C6
100nF
3RD ORDER LP BESSEL FILTER
CORNER FREQUENCY: 75kHz
GROUP DELAY: ~3.5µs
CLATCH
CCLK
CDATA
ZR
ZL
RESET
U2A
HC04
U2B
HC04
AGND
FB1
600Z
FILTR
C8
10µF
C1
100nF
C7
10µF
CR1
ZERO
LEFT
C4
100nF
CR2
ZERO
RIGHT
R6
221Ω
R7
221Ω
1
3
2
4
C3
100nF
DVDD
C2
100nF
AVDD
MUTE
DEEMP
BCLK
MCLK
SDATA
LRCLK
R4
10kΩ
R5
10kΩ
DVDD
I/F
MODE
JP21
I/F MODE IDPM1 IDPM0
RJ, 16-BIT 0 0
I
2
S01
RJ, 20-BIT 1 0
RJ, 24-BIT 1 1
DGND
JP11
MCLK/SR SEL
R3
10kΩ
R2
10kΩ
R1
10kΩ
DVDD
AD1852 STEREO DAC
OUTPUT BUFFERS AND LP FILTERS
ZL
ZR
MCLK/SR SELECT
SELECT RATE 192/48 96/48
SPDIF 44.1kHz TO 48kHz 0 0
DIRECT 88.2kHz TO 96kHz 0 1
DIRECT 176.4kHz TO 192kHz 1 0
08457-029
Figure 29. DAC, Output Buffers, and LP Filters