PT2318 Просмотр технического описания (PDF) - Princeton Technology

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PT2318

Sound Fader Controller IC

Princeton Technology 

Sound Fader Controller IC

Tel: 886-2-66296288

Fax: 886-2-29174598

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

PT2318

Parameter

Symbol

Conditions

Min.

Input isolation

(One selected

source to any

f=1KHz

αs

f=12.5KHz

-

-

other input)

Max. input voltage

(RMS value)

Vi (rms)

THD<0.5%, Vcc=8.5V

THD<0.5%, Vcc=7.5V

-

-

Output impedance

Zo

-

Output load

resistance

RL

10

Voltage gain

(Source selector)

Gv

-

Control Section (Source Selector not connected, Source Resistance=600Ω)

Input impedance

Zi

Volume input

Loudness input

70

20

Output impedance

Zo

-

Output load

resistance

RL

2

Max. input voltage Vi(rms) THD<0.5%

-

Gv=20dB

-

Noise output

voltage

Vno

Gv=0dB

Gv=-66dB

-

-

MUTE position

-

Total continuous

control range

Recommended

control range

CRtot

-

-

Step resolution

Gstep

Step range

Step error between any adjoining step

-

-

Attenuation set error

ΔGa

Gv=+20 to -50dB

Gv=-51 to -66dB

-

-

Gain tracking error ΔGt Gv=+20 to -50dB

-

Mute attenuation MUTEatt

95

Volume 1 Control + Loudness

Continuous volume

control range

CRvol

-

Voltage gain

Gv

-31

Step resolution

Gstep

-

Max. loudness

LBmax

f=40Hz

f=10KHz

-

-

Typ.

104

95

2.7

2.3

130

-

0

150

30

130

-

2.4

120

25

13

13

106

86

1

-

-

-

-

100

51

-

1

15

4

Max. Unit

-

dB

-

dB

-

V

-

V

220 Ω

-

KΩ

-

dB

200 KΩ

40 KΩ

220 Ω

-

KΩ

-

V

220 µV

50 µV

22 µV

-

µV

-

dB

-

dB

-

dB

1.0 dB

2

dB

3

dB

2

dB

-

dB

-

dB

+20 dB

-

dB

-

dB

-

dB

PT2318 V1.2

- 21 -

March, 2006

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