QS7779CM データシートの表示（PDF） - Nippon Precision Circuits

部品番号

コンポーネント説明

一致するリスト

QS7779CM

3D Stereo Enhancement and 3D Virtual Stereo Surround with Dolby Pro Logic and Mixed DVD (AC-3) Decoder

Nippon Precision Circuits  

QS7779PM/CM

DC Electrical Characteristics

VCC = 9V, VDD = 5V, GND = 0V, Ta = 25 °C unless otherwise noted.

Parameter

Symbol

Condition

LIN, RIN analog input impedance

CIN analog input impedance

Reference voltage out

HIGH-level input voltage

L OW -level input voltage

Input leakage current

SDA, SCL input leakage current

(I2C input pin)

S DA LOW -level output voltage

Supply voltage (analog)

Supply voltage (digital)

Current consumption (analog)

Current consumption (digital)

Standby current (analog)

Z AIN1

Z AIN2

V REFOUT

V IH

V IL

IL E A K

IL O P E N V IN = 10V

VOL

V CC

V DD

IC C

ID D

IC C S AV E

Acknowledge signal out

IO L = 3mA

Limits

Unit

min

typ

max

16

20

24

kΩ

4

5

6

kΩ

–

V C C /2

–

V

0.7 × VDD

–

–

V

–

–

0.3 × VDD

V

–3

–

3

µA

–3

–

3

µA

0

–

0.4

V

5

–

13

V

4.5

–

5.5

V

–

5

6.5

mA

–

0.3

0.5

mA

–

0.1

0.2

mA

Noise/THD Characteristics

VCC = 9V, VDD = 5V, GND = 0V, Ta = 25 °C unless otherwise noted.

Parameter

Noise voltage

Noise voltage

THD

Symbol

Condition

min

N BYP

BYP = HIGH (Bypass mode), A-wgt,

LOUT, RO U T

–

N QS

BYP = LOW (Qsurround mode),

SPRD = HIGH, A-wgt, LOUT, RO U T

–

THDQS

LIN = RIN = 1VRMS, BYP = LOW (Qsur-

round mode), SPRD = HIGH, f = 1kHz

–

Limits

typ

10

20

–

Unit

max

20

µV R M S

40

µV R M S

0.1

%

NIPPON PRECISION CIRCUITS—5

Share Link: