TDA1074A datasheet(5/15 Pages) PHILIPS

Nome de Peças	TDA1074A

Descrição Electrónicos	Dual tandem electronic potentiometer circuit

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Fabricante Electrônico	PHILIPS [NXP Semiconductors]

Página de início	http://www.nxp.com

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5 / 15 page

December 1982

5

Philips Semiconductors

Product speciﬁcation

Dual tandem electronic

potentiometer circuit

TDA1074A

APPLICATION INFORMATION

Treble and bass control circuit

VP = 20 V; Tamb = 25 °C; measured in Fig.3; RG = 60 Ω; RL > 4,7 kΩ; CL < 30 pF; f = 1 kHz; with a linear frequency

response (Vc1 = Vc2 = 0 V); unless otherwise speciﬁed

PARAMETER

SYMBOL

MIN.

TYP.

MAX.

UNIT

Supply current (without load)

IP

14

22

30

mA

Frequency response (

−1 dB)

Vc1 = Vc2 = 0 V

f

10

−

20 000

Hz

Voltage gain at linear frequency

response (Vc1 = Vc2 = 0 V)

Gv

(1)

−

0

−

dB

Gain variation at f = 1 kHz

at maximum bass/treble boost or

cut at

±V

c1 = ±Vc2 = 120 mV

∆G

v

(1)

−±1

−

dB

Bass boost at 40 Hz (ref. 1 kHz)

Vc2 = 120 mV

−

17,5

−

dB

Bass cut at 40 Hz (ref. 1 kHz)

−V

c2 = 120 mV

−

17,5

−

dB

Treble boost at 16 kHz (ref. 1 kHz)

Vc1 = 120 mV

−

16

−

dB

Treble cut at 16 kHz (ref. 1 kHz)

−V

c1 = 120 mV

−

16

−

dB

Total harmonic distortion

at Vo(rms) = 300 mV

f = 1 kHz (measured selectively)

THD

−

0,002

−

%

f = 20 Hz to 20 kHz

THD

−

0,005

−

%

at Vo(rms) = 5 V

f = 1 kHz

THD

−

0,015

0,1

%

f = 20 Hz to 20 kHz

THD

−

0,05

0,1

%

Signal level at THD = 0,7%

(input and output)

Vi; o(rms)

5,5

6,2

−

V

Power bandwidth at reference

level Vo(rms) = 5 V (−3 dB);

THD = 0,1%

B

−

40

−

kHz

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