QS7785CF datasheet(5/15 Pages) NPC

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QS7785PF/CF

NIPPON PRECISION CIRCUITS—5

DC Characteristics

VCC = 9V, VDD = 5V, GND = 0V, Ta = 25°C

Noise and THD Characteristics

VCC = 9V, VDD = 5V, GND = 0V, Ta = 25°C

Parameter

Symbol

Condition

Rating

Unit

min

typ

max

Analog input impedance

ZAIN1

LIN, RIN

Ω

ZAIN2

CIN

Reference voltage output

VREFOUT

–VCC/2

–

HIGH-level input voltage

VIH

0.7VDD

––

LOW-level input voltage

VIL

–

0.3VDD

Input leakage current

ILEAK

Digital inputs, VDD input voltage

−3–

µA

IILOPD

SDA, SCL, 10V input voltage

−3–

LOW-level output voltage

VOL

ACK signal output from SDA, 3mA sink

current

–

0.4

Supply voltage (analog)

VCC

–

Supply voltage (digital)

VDD

4.5

–

5.5

Current consumption (analog)

ICC

–68

Current consumption (digital)

IDD

–

0.3

0.5

Standby current (analog)

ICCSAVE

–

0.1

0.2

Parameter

Symbol

Condition

Rating

Unit

min

typ

max

Bypass noise voltage

NBYP

BYP = HIGH, SUR = MONO = SP = LOW,

“A”-wgt, FLOUT, FROUT

–10

µVRMS

Qsurround noise voltage (front)

NQSF

SUR = SP = HIGH, BYP = MONO = LOW,

“A”-wgt, FLOUT, FROUT

–20

µVRMS

Qsurround noise voltage (surround)

NQSR

SUR = SP = HIGH, BYP = MONO = LOW,

“A”-wgt, SLOUT, SROUT

–15

µVRMS

Bypass total harmonic distortion

THDB

BYP = SUR = HIGH, MONO = SP = LOW,

LIN = RIN = 1VRMS, f = 1kHz, FLOUT,

FROUT, SLOUT, SROUT

–

0.1

Qsurround mono total harmonic

distortion

THDQM

BYP = LOW, SUR = MONO = SP = HIGH,

LIN = RIN = 1VRMS, f = 1kHz, FLOUT,

FROUT, SLOUT, SROUT

–

0.1

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