REV. 0

EVAL-AD1852EB

–9–

RESET GENERATOR

VCC

GND

MR

RESET

DVDD

C16

100nF

4

U8

ADM811TART

2 RST

3

1

DGND

RESET

S6

PLEASE NOTE: R38, R39

OPTIONAL RESISTORS.

TRIM TO REDUCE THD

WITH AD1855 UP TO 6dB

7

6

5

LOUT

C18

100nF

C17

100nF

R38

OPTION

C30

1.0nF NP0

C29

2.7nF PPS

R21

2.80k

C25

270pF NP0

C26

820pF NP0

AGND

R24

1.0k

U9B

OP275GP

C33

2.2nF PPS

J6

LEFT OUT

0

1

BESSEL LP FILTER RESPONSE

CORNER FREQUENCY: 100kHz

–0.11dB @ 20kHz

–0.45dB @ 40kHz

STEP RESPONSE:

<1% OVERSHOOT @ 7.75

LINEAR PHASE:

0 @ 20kHz

–20 @ 20kHz

–40 @ 40kHz

–60 @ 60kHz

s

GND

U6

LM317MDT

3

4

1

C12

100nF

10V TANT

15 F

C24

243

R33

715

R34

C13

100nF

16V A1

47 F

C36

5V REG

16V A1

47 F

C35

FB7

600Z

CR1

1SMB15AT3

DVDD

DGND

CR3

DL4001

J8

J9

IN

IN

ERR

SD

OUT

OUT

NR

GND

1

2

3

4

8

7

6

5

J11

C14

100nF

16V A1

47 F

C37

CR4

DL4001

J10

CR2

SMB15AT3

FB6

600Z

U7

ADP3303–5.0

C3

10nF

C15

100nF

16V A1

47 F

C38

5V REG

C39

392

R16

DS5

POWER

AVDD

C40

J12

AGND

R18

499

R29

549

R17

1.50k

R23

806

R22

3.01k

R31

53.6k

1

2

3

ROUT

ROUT

R39

OPTION

C32

1.0nF NP0

C31

2.7nF PPS

R25

2.80k

C27

270pF NP0

C28

820pF NP0

AGND

R28

1.0k

U9A

OP275GP

C34

2.2nF PPS

J7

RIGHT OUT

0

1

R20

499

R30

549

R19

1.50k

R27

806

R26

3.01k

R32

53.6k

AGND

–12V

+12V

DGND

9-12

VOLTS

GROUP DELAY: 2.83 s

LOUT

16V A1

47 F

16V A1

47 F

Figure 2. Anti-Image Filters, Power Supply Regulation, Reset Generator