SC7312 查看數據表（PDF） - Silan Microelectronics

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产品描述 (功能)

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SC7312

4-CH OUTPUT STEREO AUDIO PROCESSOR WITH 4 STEREO INPUTS AND TONE/VOLUME CONTROL

Silan Microelectronics 

(Continued)

Characteristics

VOLUME CONTROL

Input Resistance

Control Range

Minimum Attenuation

Maximum Attenuation

Step Resolution

Attenuation Set Error

Tracking Error

DC Steps

SPEAKER ATTENUATORS

Control Range

Step Resolution

Attenuation Set Error

Output Mute Attenuation

DC Steps

BASS CONTROL (note 1)

Control Range

Step Resolution

Internal Feedback Resistance

TREBLE CONTROL (note 1)

Control Range

Step Resolution

AUDIO OUTPUTS

Clipping Level

Output Load Resistance

Output load Capacitance

Output Resistance

DC Voltage Level

GENERAL

Output Noise

Signal to Noise Ratio

SC7312

Symbol

Test conditions

Min. Typ. Max. Unit

RIV

20 33 50 kΩ

Crange

70 75 80 dB

AV(min)

-1

0

1 dB

AV(max)

70 75 80 dB

ASTEP

0.5 1.25 1.75 dB

AV=0 to –20dB

EA

AV=-20 to –60dB

-1.25 0 1.25

dB

-3

2

ET

2 dB

Adjacent attenuation steps

VDC

From 0dB to AV max

0

3 mV

0.5 7.5 mV

Crange

35 37.5 40 dB

SSTEP

0.5 1.25 1.75 dB

EA

1.5 dB

AMUTE

80 100

dB

Adjacent attenuation steps

VDC

From 0dB to MUTE

0

3 mV

1

10 mV

GB

BSTEP

RB

Maximum boost/cut

±12 ±14 ±16 dB

1

2

3 dB

34 44 58 kΩ

Gt Maximum boost/cut

TSTEP

±13 ±14 ±15 dB

1

2

3 dB

VOCL

RL

CL

ROUT

VOUT

THD=0.3%

2 2.5

Vrms

4

kΩ

10 nF

30 75 120 Ω

4.2 4.5 4.8 V

BW=20 ~20kHz,flat

output muted

eNO BW=20 ~20kHz,flat

All gains=0dB

A curve, all gains =0 dB

S/N All gains=0dB; Vo=1Vrms

2.5

µV

5

15 µV

3

µV

106

dB

(To be continued)

HANGZHOU SILAN MICROELECTRONICS CO.,LTD

Http: www.silan.com.cn

REV:1.2 2004.08.03

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