KA9270

AUDIO FILTER

°C)

ELECTRICAL CHARACTERISTICS

(Ta = 25

°C, V

Ω, De-emphasis; off, Mute; off, S1 & S2; off, unless otherwise specified)

De-emphasis off position

Characteristic

Symbol

Value

Unit

Supply Voltage

Power Dissipation

Operating Temperature

Storage Temperature

16

550

-20 ~ + 75

-45 ~ + 150

V

µW

°C

°C

Characteristic

Symbol

Test Conditions

Min

Typ

Max

Unit

Quiescent Circuit Current

1

4

6

mA

Maximum Output Voltage

THD = 1%

1.8

2.1

Vrms

f = 100Hz

0.01

0.05

f = 1KHz

0.01

0.05

Total Harmonic Distortion

THD

f = 10KHz

0.05

0.1

%

f = 16KHz

0.1

0.2

f = 20KHz

0.1

0.2

f = 100Hz

-0.1

0

0.1

f = 1KHz

0

0

0

Frequency Characteristics

fv

f = 10KHz

-0.5

0

0.5

dB

f = 16KHz

-1.0

0

1.0

f = 20KHz

-1.5

0

1.5

f = 100Hz

70

80

Cross Talk

CT

f = 1KHz

65

75

dB

f = 10KHz

60

65

Signal to Noise Ratio

S/N

Ω

20KHz LPF

73

80

dB

Channel Balance

CB

-1.0

0

1.0

dB

Open Loop Gain

-2.6

-0.6

1.0

dB

Gain Adjusting Range

4.5

6

dB

Mute Attenuation Ratio

40

50

dB

f = 1KHz

-0.87

-0.37

0.13

De-emphasis

De-emphasis: ON

f = 5KHz

-6.03

-4.53

-3.03

dB

f = 16KHz

-10.53

-9.03

-7.53