CS5509(1995) View Datasheet(PDF) - Cirrus Logic

Part Name

Description

Manufacturer

CS5509
(Rev.:1995)

Single Supply, 16-Bit A/D Converter

Cirrus Logic 

+5V

GND

D1 + C2

6.8V 10 µF

C5

0.1 µF

+5

C9

0.1µF

2

6

LT1019

-2.5 V 5

4

+

External

VREF

-

AIN+

AIN-

R31

100k

R12

100k

402

R4

402

R13

R8 C8

25k

+5 +5

AGND

DGND

1A

1B

2A

0.1 µF

2B

3A

3B

R22

+5

10 +

R9

VD+

CAL

C7

0.1 µF

10

C10

C11

0.1 µF 0.01 µF

R11

100k

11

13

R10 20k

VA+

VD+

R27

1K

9

VREF+

R26 C19

1K

10nF

10

VREF-

C20

10nF

3

CAL

TP10

2

CONV

TP9

1

CS

TP8

U1

TP7

CS5509

C17

VD+

0.1 µF

1

3

U2A

2

R17

VD+

47k

4

5

U2B

VD+

R18

R19

6

7 100k 47k

U2C

VD+

10

9

U2D

R20

100k

TP6

7

AIN+

TP15

C15

8

AIN-

0.01 µF

TP11

16

DRDY

TP12

15

SDATA

11

12

U2E

R23

100k

14

15

U2F

TP13

14

SCLK

TP14

6

11

BP/UP

R24

8

100k

R25

5

6

U3B VD+

4

0.1 µF

100k VD+

R16

U3D 12

100k

14

2 C18

U3A

3

R1

1

100k

13

R21

47k

7

VD+

U3C

8

9

10

C16

10 µF

R3

50

CLKIN

R2

200

XIN

XOUT GND

4

5

12

Y1

32.768

kHz

Note: Buffers not required for general applications.

+5

+5

DRDY

SCLK

SDATA

J2

CAL

CONV

CS

A0

A1

DRDY

SDATA

SCLKO

SCLKI

BP/UP

J1

U2 74HC4050

S2 U3 74HC125

A1

A0

CONV

BP/UP

Figure 1. ADC Connections

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