SM6451AV datasheet(5/12 Pages) NPC

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SM6451AV

NIPPON PRECISION CIRCUITS—5

AC Analog Characteristics

VDD = 5.0 V, 1.2 Vrms amplitude, 1 kHz input frequency, 100 kΩ output load resistance, Ta = 25 °C,

AC-coupled inputs

Analog inputs (LIN, RIN)

Analog outputs (LOUT, ROUT)

Reference voltage (VRL, VRR)

Parameter

Symbol

Condition

Rating

Unit

min

typ

max

Input reference amplitude

VAI

–

1.2

–

Vrms

Input resistance

RIN

Ω

Input clipping voltage

VCLP

THD + N = 1%, ATT = 0 dB

–

1.75

–

Vrms

Parameter

Symbol

Condition

Rating

Unit

min

typ

max

Residual noise voltage

VNS

Input signal: 0 Vrms,

A-weight ﬁlter, 0 dBr = 1.2

Vrms, ATT = 0 dB

–10

µVrms

Signal-to-noise ratio

SNR

100

–

dBr

Total harmonic distortion + noise

THD + N

ATT = 0 dB, 20 kHz

lowpass ﬁlter

–

0.0017

0.0025

Gain control range

RCNT

−80

–

Step size

Step

0.8

1.5

Attenuation error (1k to 20kHz)

ERR1

0 to

−60 dB

−2–

1dB

ERR2

−61 to −80 dB

−5–

0dB

Absolute attenuation (1 kHz)

AT0

ATT = 0 dB

–

−0.1

–

AT2

ATT =

−20 dB

–

−20.1

–

AT4

ATT =

−40 dB

–

−40.3

–

AT6

ATT =

−60 dB

–

−60.5

–

AT8

ATT =

−80 dB

–

−83.0

–

Mute attenuation (1 kHz)

Mute

ATT = Mute

−88

−92

–

Channel crosstalk

ATT = 0 dB

−105

−112

–

Frequency response

ATT = 0 dB, f = 200 kHz

–

−5–dB

Quiescent output zip noise voltage

(while ATT value adjusting)

0 Vrms input

–

Minimum driver load resistance

RML

ATT = 0 dB, THD + N = 1%

–

Ω

Parameter

Symbol

Condition

Rating

Unit

min

typ

max

Reference voltage output

VREF

0.45VDD

0.5VDD

0.55VDD

SM6451AV Datasheet(PDF) 5 Page - Nippon Precision Circuits Inc

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