TBA820M

ELECTRICAL CHARACTERISTIVCS

Vcc=9V,Tamb=25 ° C)

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C h a r a c t e r i s t i c

S y mbol

Te st C o n d i t i o n

Min . Ty p . M a x . Unit

Rf=33

Ω

0 . 8

D i s t o r t i o n

T H D

Ω

f=1kHz

Rf=120

Ω

0 . 4

%

Vo ltage Gain

(open loop)

Gv

Ω

f=1kHz

7 5

d B

Rf=33

Ω

4 5

Vo ltage Gain

(closed loop)

Gv

Ω

f=1kHz

Rf=120

Ω

3 4

dB

Input noise Vo ltage

Vcc=9V,B(-3dB)=25~20000Hz

3

µA

Input noise current

Vcc=9V,B(-3dB)=25~20000Hz

0 . 4

n A

R1=10k

Ω

8 0

Signal to noise ratio (*)

S+N/N

Po=1.2W

Ω

Gv=34dB

R1=50k

Ω

7 0

dB

Supply voltage rejection

(test circuit of 2)

SVR

Ω f(ripple)=100Hz

C6=47

µF

Rf=120

Ω

4 2

d B

(*) B(-3dB)=25~20000Hz

TEST CIRCUIT

1. Circuit diagram with load connected to the supply voltage

1

8

2

3

4

5

6

7

CB

R2

1

C5

220uF/15V

C3

0.22uF

Rf

C1

R1

10K

C6

C4

C2

100uF/15V

Vi

Vcc

TBA820M