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2010.06 - Rev.A

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Technical Note

BD3843FS,BD3841FS

●

Operating range

Must function normally at Ta = 25℃,

Part No.

Parameter

Symbol

Ratings

Unit

Min.

Typ.

Max.

BD3843FS

Action power source voltage

(both power sources)

VCC

4

7

7.3

V

VEE

-7.3

-7

-4

Action power source voltage

(single power source)

VCC- VEE

8

14

14.6

BD3841FS

Action power source voltage

(both power sources)

VCC

5

7

7.3

V

VEE

-7.3

-7

-5

Action power source voltage

(single power source)

VCC- VEE

10

14

14.6

●

Electrical characteristics

Ta=25℃, VCC=7V, VEE=7V, f=1kHz, Vin=1Vrms, RL=10kΩ, Rg=600Ω, unless otherwise noted.

Parameter

Symbol

Limits

Unit

Conditions

Min.

Typ.

Max.

Circuit current

VCC

IQ

―

3

10

mA

No signal

VEE

-10

-3

―

Output voltage gain 1ch

Gv1

-2

0

2

dB

Output voltage gain 2ch

Gv2

-2

0

2

dB

Total harmonic distortion ratio 1ch

THD1

―

0.004

0.05

%

BW=400～30kHz

Total harmonic distortion ratio 2ch

THD2

―

0.004

0.05

%

BW=400～30kHz

Maximum output voltage 1ch

Vomax1

3.4

4.2

―

Vrms

THD=1%

Maximum output voltage 2ch

Vomax2

3.4

4.2

―

Vrms

THD=1%

Output noise voltage 1ch

Vno1

―

1

5

µVrms

Rg=0Ω, BW=IHF-A

Output noise voltage 2ch

Vno2

―

1

5

µVrms

Rg=0Ω, BW=IHF-A

Cross-talk between channels

1ch→2ch

CTC12

―

-95

-80

dB

Rg=0Ω, BW=IHF-A

Cross-talk between channels

2ch→1ch

CTC21

―

-95

-80

dB

Rg=0Ω, BW=IHF-A

Cross-talk between selectors 1ch

CTS1

―

-95

-80

dB

Rg=0Ω, BW=IHF-A

Cross-talk between selectors 2ch

CTS2

―

-95

-80

dB

Rg=0Ω, BW=IHF-A

R voltage gain 1ch

GVR1

-2

0

2

dB

RL=47kΩ,

R voltage gain 2ch

GVR2

-2

0

2

dB

RL=47kΩ,

R Total harmonic distortion ratio 1ch

THDR1

―

0.01

0.09

%

RL=47kΩ,

BW=400～30kHz

R Total harmonic distortion ratio 2ch

THDR2

―

0.01

0.09

%

RL=47kΩ,

BW=400～30kHz

R output noise voltage 1ch

VnoR1

―

1

5

µVms

Rg=0Ω, BW=IHF-A

R output noise voltage 2ch

VnoR2

―

1

5

µVms

Rg=0Ω, BW=IHF-A

R output impedance 1ch

RoutR1

―

50

100

Ω

R output impedance 2ch

RoutR2

―

50

100

Ω

* Note: This IC is not designed to be radiation-resistant.