PT2258(2000) Просмотр технического описания (PDF) - Princeton Technology

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PT2258
(Rev.:2000)

6-Channel Electronic Volume Controller IC

Princeton Technology 

Princeton Technology Corp.

Tel : 886-2-29162151

Fax: 886-2-29174598

URL: http://www.princeton.com.tw

6-Channel Electronic Volume Controller IC Preliminary

PT2258

ELECTRICAL CHARACTERISTICS

Symbol

VDD

Is

RIN

Parameter

Supply Voltage

Supply Current

Input Impedance

VCL

Maximum Input Voltage

Sc

CRANGE

AVMAX

Astep

EA

AMUTE

THD

Noise

S/N

Channel Separation

Volume Control

Range

Maximum Attenuation

Attenuation Step

Attenuation Error

Mute Attenuation

Total Harmonic

Distortion

Output Noise

Signal-to-Noise Ratio

Ro

Go

Vomax

Output Impedance

Output Gain

Maximum Output

Condition

FL,FR,CTR

SUB,SL,SR

Volume=0dB

THD=1%

Volume=0~-50dB

A-weighting

Volume=0dB

Input,200mVrms

A-weighting

0dB=1Vrms

A-weighting

FL,FR,CENTER

SUB,SL,SR

THD=1%

Min. Typ. Max. Unit

5

9 10

V

8

mA

27

30 35

KΩ

2.8 3.0 Vrms

90 100 110 dB

79

dB

-79

dB

1

dB

-1.0 0 +1.0 dB

90 95 98 dB

0.003 0.005 0.01 %

3

5

µV

100 105 110 dB

600 900 Ω

-0.5 0 +0.5 dB

2.3 2.6 2.9 Vrms

I2C BUS SECTION ELECTRICAL CHARACTERISTICS

Symbol

VIL

VIH

TINIT

PT2258 pre1.0

Parameter

Bus Low Input Level

Bus High Input Level

Bus Initialization

Condition

Cref=10µF

11

Min. Typ. Max. Unit

2.4 2.5 V

2.8 3.0

V

250 300 mS

Updated July 2000

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