EVAL-AD1852EB Datasheet, PDF (9/14 Pages) Analog Devices – 24-Bit Stereo DAC Evaluation Board

EVAL-AD1852EB
9-12
J8
CR3
DL4001
VOLTS
FB7
600Z
CR1
1SMB15AT3
U6
LM317MDT
3 V_IN
V_OUT ⁴
GND
1
C12
100nF
J9
DGND
C35
47 F 16V A1
C24
15 F 10V TANT
5V REG
DVDD
R22
R21 3.01k
C25
270pF NP0
2.80k
LOUT
U9B
R33
243
C30
R17
1.0nF NP0 ^1.50k
6
OP275GP
7
R29
549
C13
100nF
C36
47 F 16V A1
C29
5
2.7nF PPS
C33
LOUT
2.2nF PPS
R34
715
DGND
R23
R38
OPTION
806
R24
1.0k
R18
499
AGND
C26
820pF NP0
AV_CC
C17
100nF
C18
100nF
J6
1
LEFT OUT
R31 ⁰
53.6k
CR4
J10 _DL4001
+12V
FB6
600Z
CR2
SMB15AT3
C14
100nF
J11
AGND
C37
47 F 16V A1
J12
–12V
U7
ADP3303–5.0
8 _IN
OUT ¹
7 _IN
6 _ERR
OUT ²
NR ³
5 _SD
GND ⁴
C39
47 F 16V A1
AV_CC
5V REG
C15
100nF
C3
10nF
R16
C38
392
47 F
16V A1
AGND
AVDD
DS5
POWER
C40
47 F 16V A1
AV_CC
PLEASE NOTE: R38, R39
OPTIONAL RESISTORS.
TRIM TO REDUCE THD
WITH AD1855 UP TO 6dB
AV_CC
BESSEL LP FILTER RESPONSE
CORNER FREQUENCY: 100kHz
–0.11dB @ 20kHz
–0.45dB @ 40kHz
STEP RESPONSE:
<1% OVERSHOOT @ 7.75 s
LINEAR PHASE:
0 @ 20kHz
–20 @ 20kHz
–40 @ 40kHz
–60 @ 60kHz
GROUP DELAY: 2.83 s
RESET GENERATOR
DVDD
C16
100nF
U8
4 ^ADM811TART
VCC
3 _MR
RESET ^{2 RST}
RESET S6
GND
1 _DGND
ROUT
R25
2.80k
C32
1.0nF NP0
R26
3.01k
R19
1.50k
C31
2.7nF PPS
ROUT
R39
OPTION
R27
806
R28
1.0k
R20
499
AGND
C27
270pF NP0
U9A
2
OP275GP
1
R30
549
3
C34
2.2nF PPS
C28
820pF NP0
J7
1
RIGHT OUT
R32 ⁰
53.6k
Figure 2. Anti-Image Filters, Power Supply Regulation, Reset Generator
REV. 0
–9–