CXA2074Q/S データシートの表示（PDF） - Sony Semiconductor

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CXA2074Q/S

US Audio Multiplexing Decoder

Sony Semiconductor 

Pin Description

Pin No.

QFP SDIP

Symbol

Pin

voltage

44 1 BASSR1 4.0V

(45) 2

45 2 BASSR2 4.0V (47) 4

46 3 BASSL1 4.0V

47 4 BASSL2 4.0V

CXA2074Q/S

Equivalent circuit

3k

190

4.2k 190

3.4k

2.7k

2.2k

1.8k

1.4k

1.2k

4.9k

4V

Description

BASS filter pin. (Right channel)

VCC

(Connect a 47nF capacitor

between Pins 1 and 2 (44

and 45).)

The cutoff frequency is

determined by the built-in

resistor and the external

capacitance.

VCC

1 (44)

3 (46)

BASS filter pin. (Left channel)

(Connect a 47nF capacitor

between Pins 3 and 4 (46

and 47).)

The cutoff frequency is

determined by the built-in

resistor and the external

capacitance.

48 5 TRER 4.0V

1 6 TREL 4.0V

VCC

(48) 5

(1) 6

3k

580

4.2k 580

3.4k

2.7k

2.2k

1.8k

1.4k

1.2k

4.9k

VCC

TREBLE filter pin.

(Right channel)

(Connect a 6.8nF capacitor

between this pin and GND.)

TREBLE filter pin.

(Left channel)

(Connect a 6.8nF capacitor

between this pin and GND.)

2 7 LSOUT-R 4.0V

3 8 LSOUT-L 4.0V

VCC

3k

VCC

580

(2) 7

(3) 8

580

–5–

LSOUT right channel output

pin.

LSOUT left channel output

pin.

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