Tri p ath Techn o l o g y, I n c. - T echn i cal I n fo rmation

6

TCA2002 – KLi/0.95/04.06

A P PL I C AT IO N / TE ST DI AG R A M

TCA2002 Typical Application Circuit

*R

FBC

*R

FBB

R

I

C

A

0.1uF

OUT1

TCA2002

C

FB

+

C

I

*R

FBC

R

F

+

C

I

OUT2

*R

FBB

R

I

*R

FBC

R

REF

8.25k

Ω, 1%

PGND1

1

2

*R

FBB

PGND2

15

16

17

20

21

24

25

26

27

28

1

2

3

4

5

6

7

8

9

10

11

12

13

14

Y1B

HMUTE

Y1

Y2B

Y2

REF

OCD1

VNNSENSE

AGND

V5

MUTE

BBM1

BBM0

OAOUT2

INV2

BIASCAP

FBKGND2

DCMP

FBKOUT2

VPWR

FBKGND1

FBKOUT1

HMUTE

Y1

Y1B

Y2B

Y2

NC

OCD2

*R

VNN1

V5

R

OFB

V5

IN1

C

OF

0.1uF

R

OFA

IN2

R

OFB

C

OF

0.1uF

R

F

22

23

OAOUT1

INV1

V5

R

OFB

R

OFA

19

VPPSENSE

18

OVRLDB

VPP

V5

VNN

V5

C

OCR

R

OCR

C

OCR

R

OCR

OCD2

OCD1

220pF

220pF

C

S

0.1uF

V5

R

FBA

V5

R

FBA

*R

FBB

C

FB

V5

R

FBA

V5

R

FBA

*R

VNN2

*R

VPP1

*R

VPP2

20k

Ω

20k

Ω

20k

Ω

10k

Ω

2.2uF

510k

Ω

510k

Ω

10k

Ω

510k

Ω

R

OFB

510k

Ω

20k

Ω

20k

Ω

2.2uF

20k

Ω

1K

Ω

1.1K

Ω

1K

Ω

1.1K

Ω

1K

Ω

10K

Ω

10K

Ω

10K

Ω

10K

Ω

1.1K

Ω

1K

Ω

1.1K

Ω

*R

FBC

* Component values must be adjusted based on amplifier supply voltage