TDA7314 データシートの表示（PDF） - STMicroelectronics

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TDA7314

DIGITAL CONTROLLED AUDIO PROCESSOR WITH LOUDNESS

STMicroelectronics 

TDA7314

ELECTRICAL CHARACTERISTICS (refer to the test circuit Tamb = 25°C, VS = 9V, RL = 10KΩ, RG =

600Ω, all controls flat (G = 0), f = 1KHz unless otherwise specified)

Symbol

SUPPLY

Parameter

Test Condition

Min. Typ. Max. Unit

VS

IS

SVR

Supply Voltage

Supply Current

Ripple Rejection

INPUT STAGE

6

9

10

V

8

11

mA

60

80

dB

RII

VCL

RL

GINmin

GINmax

GSTEP

eIN

VDC

Input Resistance

Clipping Level

Output Load resistance

Min. Input Gain

Max. Input Gain

Step Resolution

Input Noise

DC Steps

VOLUME CONTROL

Pin 9, 11

pin 7, 17

G = 18.75dB

adjacent gain steps

G = 18.75 to Mute

35

50

70

KΩ

2

2.5

Vrms

2

KΩ

-1

0

1

dB

18.75

dB

6.25

dB

2

µV

4

20

mV

4

mV

RIV

CRANGE

AVMIN

AVMAX

ASTEP

EA

Input Resistance

Control Range

Min. Attenuation

Max. Attenuation

Step Resolution

Attenuation Set Error

ET

Tracking Error

VDC

DC Steps

SPEAKER ATTENUATORS

Av = 0 to -20dB

Av = -20 to -60dB

adjacent attenuation steps

From 0dB to Av max

20

33

50

kΩ

70

75

80

dB

-1

0

1

dB

70

75

80

dB

0.5 1.25 1.75 dB

-1.25

0

1.25 dB

-3

2

dB

2

dB

0

3

mV

0.5

7.5

mV

Crange

SSTEP

EA

AMUTE

VDC

Control Range

Step Resolution

Attenuation set error

Output Mute Attenuation

DC Steps

BASS CONTROL (1)

adjacent att. steps

from 0 to mute

35 37.5 40

dB

0.5 1.25 1.75 dB

1.5

dB

80

100

dB

0

3

mV

1

10

mV

Gb

Control Range

BSTEP

RB

Step Resolution

Internal Feedback Resistance

TREBLE CONTROL (1)

Max. Boost/cut

+12 +14 +16

dB

1

2

3

dB

34

44

58

KΩ

Gt

TSTEP

Control Range

Step Resolution

Max. Boost/cut

+13 +14 +15

dB

1

2

3

dB

4/12

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