PT2258 查看數據表（PDF） - Princeton Technology

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PT2258

6-Channel Electronic Volume Controller IC

Princeton Technology 

6-Channel Electronic Volume Controller IC

ABSOLUTE MAXIMUM RATINGS

Parameter

Symbol

Supply Voltage

Vs

Operation Temperature

Topr

Storage Temperature

Tstg

Tel: 886-2-66296288

Fax: 886-2-29174598

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

PT2258

Ratings

Unit

12

V

-40～+85

℃

-65～+150

℃

ELECTRICAL CHARACTERISTICS

(VDD=9V, VI=1Vrms, f=1KHz, Temp=27℃)

Parameter

Symbol

Conditions

Supply Voltage

VDD

Supply Current

Is

Input Impedance

RIN

FL, FR, CTR, SUB, SL, SR

Max. Input Voltage

VCL

Volume=0dB, THD=1%

Channel Separation

Sc

Volume Control Range Crange

Max. Attenuation

Avmax

Attenuation Step

Astep

Attenuation Error

EA

Volume=0～-50dB

Mute Attenuation

AMUTE

A-weighting

Total Harmonic

Distortion

THD Volume=0dB, input 200mVrms

Output Noise

Noise

A-weighting

Signal-Noise Ratio

S/N

0dB=1Vrms, A-weighting

Output Impedance

Ro

Output Gain

Go

Max. Output Voltage

I2C Section

Vomax

FL, FR, CENTER, SUB, SL, SR

THD=1%

Bus Low Input Level

VIL

Bus High Input Level

VIH

Bus Initialization

TINIT

Cref=10µF

Min.

5

7

22

-

90

-

-

-

-1.0

90

0.003

-

100

-

-0.5

2.3

0

2.8

-

Typ.

9

10

33

2.8

100

79

-79

1

0

95

0.005

3

105

600

0

2.5

2.4

3.0

250

Max.

10

12

42

3.0

110

-

-

-

+1.0

98

0.01

5

110

900

+0.5

2.8

2.5

VDD

300

Unit

V

mA

KΩ

Vrms

dB

dB

dB

dB

dB

dB

%

µV

dB

Ω

dB

Vrms

V

V

mS

PT2258 V1.2

- 11 -

July, 2005

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