BD3814FV

Audio ICS

2/2

!

!

!

!Electrical characteristic curves

(Unless otherwise noted : Ta=25

Master volume=0dB, Bass and Treble=0dB)

mA

No signal

−

IQ

7

17

Symbol

Pin39

Pin20

Min.

Max.

Unit

Conditions

Typ.

Parameter

dB

Measure : Pin27,28,29,30,31,32

Measure : Pin27,28,29,30,31,32

−2

Gv

0

2

%

Measure : Pin27,28,29,30,31,32,BW=400~30kHz

−

THD

0.001

0.03

Vrms

Measure : Pin27,28,29,30,31,32,THD=1%

Measure : Pin27,28, f=15kHz, VIN=0.4Vrms

Measure : Pin27,28, f=100Hz, VIN=0.4Vrms

3.6

Vomax

4.3

−

µVrms

Measure : Pin27,28,Tone:By-pass, Rg=0

Ω, BW=IHF-A

Measure : Pin27,28, Tone:ON,

Rg=0

Ω, BW=IHF

Measure : Pin27,28, Tone:By-pass,

Rg=0

Ω, BW=IHF

−

Vno

Vnom

1.0

6.0

dB

−

CTCRC

1.7

10

k

Ω

Measure : Pin27,28 (OUTFL) Rg=0

Ω,

BW=IHF

Measure : Pin27,28,29,30,31,32, VIN=3Vrms,

BW=IHF

−

RinV

−95

−80

Vmin

GTB

GBB

−

−115

−105

dB

14

20

26

µVrms

−

1.0

6.0

dB

12

14

16

dB

12

14

16

Circuit current

Output voltage gain

Total harmonic distortion ratio

Maximum output voltage

Output noise voltage

Cross-talk between channels

Input impedance V

Maximum attenuation

Residual noise voltage

Treble maximum boost gain

Bass maximum boost gain

!

!

!

!Application Circuit

47k

−

1

2

3

4

5

6

7

8

9

10

12

11

10

µ

IN

SW

IN

SR

IN

SL

IN

CL

DA

MUTE

10K

MASTER

VOLUME

0

∼−95dB

1dB/step, MUTE

OUTSW

OUTSR

OUTSL

OUTC

OUTFR

OUTFL

IN

FL

IN

FR

Vcc

VEE

47k

4.7k

Ri=20k

Ri=20k

Ri=20k

Ri=20k

Ri=20k

Ri=20k

+

10

µ

+

14

13

10

µ

+

15

10

µ

+

16

17

10

µ

+

18

19

10

µ

47

µ

20

21

+

47

µ

4700p

0.1

µ

0.1

µ

22

4700p

TREBLE

BASS

24

23

4.7k

0.1

µ

0.1

µ

26

27

28

29

30

31

32

34

35

10K

36

10K

37

33

40

39

38

25

BD3814FV

+

− +