SM6453AB datasheet(7/19 Pages) NPC

Nome de Peças	SM6453AB

Descrição Electrónicos	3-wire Serial Data Volume Control for Headphone Amplifier IC

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Fabricante Electrônico	NPC [Nippon Precision Circuits Inc]

Página de início	http://www.npc.co.jp/en

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SM6453AB

NIPPON PRECISION CIRCUITS INC.—7

AC Analog Characteristics

VDD1 = VDD2 = 2.0V, analog input amplitude = 0.025Vrms, input frequency = 1kHz, Ta = 25°C, Measurement

circuit, PDN = HIGH, MUTEN = HIGH, MDT D0 to D12 = LOW, unless otherwise noted.

Analog input characteristics (LIN1, RIN1, LIN2, RIN2)

Analog output characteristics (LOUT, ROUT)

(Note 1) Microcontroller data bit D9 = HIGH, D10 = LOW, D11 = LOW, 55Hz frequency, VOREF output

(Note 2) Microcontroller data bit D9 = HIGH, D10 = HIGH, D11 = LOW, 55Hz frequency, VOREF output

(Note 3) GEVR = 0dB, MDT D0 to D7 are muted, MUTEN = HIGH, VOREF output

(Note 4) Microcontroller data bit D9 = LOW, D11 = LOW, GEVR = 0dB, cross-channel leakage signal with VOREF output and standard voltage input on one

channel only

(Note 5) Microcontroller data bit D9 = HIGH, D10 = LOW, D11 = LOW, GEVR = 0dB, cross-channel leakage signal with VOREF output and standard voltage

input on one channel only, Frequency = 10kHz

(Note 6) Microcontroller data bit D9 = HIGH, D10 = HIGH, D11 = LOW, GEVR = 0dB, cross-channel leakage signal with VOREF output and standard volt-

age input on one channel only, Frequency = 10kHz

(Note 7) PDN = LOW, MUTEN = HIGH, MDT = muted, ripple frequency = 100Hz and ripple amplitude = 0.1Vrms on AVDD1/AVDD2/AVDD3

(Note 8) PDN = HIGH, MUTEN = LOW, MDT = muted, ripple frequency = 100Hz and ripple amplitude = 0.1Vrms on AVDD1/AVDD2/AVDD3

(Note 9) PDN = HIGH, MUTEN = HIGH, MDT D0 to D12 = LOW, ripple frequency = 100Hz and ripple amplitude = 0.1Vrms on AVDD1/AVDD2/AVDD3

Parameter

Symbol

Condition

Rating

Unit

min

typ

max

Reference input amplitude

VAI

GEVR = 0dB, PO = 0.5mW + 0.5mW

0.015

0.025

0.035

Vrms

Input resistance

RIN

18

23

–

k

Ω

Input clipping voltage

VCLP

GEVR = 0dB, PO = 26mW + 26mW

0.17

0.21

–

Vrms

Parameter

Symbol

Condition

Rating

Unit

min

typ

max

Residual noise voltage

VNS

GEVR = 0dB, A-WTD

–

26

38

µVrms

Total harmonic distortion + noise

THD

+ NPO = 0.5mW + 0.5mW

–

0.3

1.0

%

Reference output power

POREF

0.4

0.5

0.6

mW

Reference output voltage

VOREF

0.08

0.09

0.098

Vrms

Maximum output power

POMAX

GEVR = 0dB, THD + N = 10%

22

26

–

mW

Maximum output voltage

VOMAX

GEVR = 0dB, THD + N = 10%

0.516

0.645

–

Vrms

Bass boost response

BBST1

(Note 1)

+ 5.2

+ 7.2

+ 9.2

dBr

BBST2

(Note 2)

+ 12.0

+ 14.0

+ 16.0

dBr

AGC detection level

VAGC

0.5VDD1 reference voltage output

+ 0.30

+ 0.48

+ 0.66

V

Step width

GSTEP

0.1

1.0

1.6

dB

Attenuation error (1kHz)

GERR1

GEVR = 0dB to – 60dB

− 2.8

– 0.8

1.2

dB

GERR2

GEVR = – 61dB to – 72dB

– 2.0

0

2.0

dB

GERR3

GEVR = – 73dB to – 80dB

– 1.2

0.8

2.8

dB

Absolute attenuation (1kHz)

GO1

GO = + 12dB (GEVR = 0dB)

+ 9.2

+ 11.2

+ 13.2

dB

GO2

GO = – 8dB (GEVR = – 20dB)

– 10.6

– 8.6

– 6.6

dB

GO3

GO = – 28dB (GEVR = – 40dB)

– 30.6

− 28.6

– 26.6

dB

GO4

GO = – 48dB (GEVR = – 60dB)

– 50.4

− 48.4

– 46.4

dB

GO5

GO = – 68dB (GEVR = – 80dB)

– 70.5

− 66.0

– 61.5

dB

Mute factor (1kHz)

GMUTE

(Note 3)

– 100.0

− 120.0

–

dB

Channel crosstalk

CT1

(Note 4)

− 69.0

− 75.0

–

dB

CT2

(Note 5)

− 29.0

− 35.0

–

dB

CT3

(Note 6)

− 30.0

− 36.0

–

dB

Power supply ripple rejection ratio

PSRR1

(Note 7)

83.0

93.0

–

dB

PSRR2

(Note 8)

45.0

55.0

–

dB

PSRR3

(Note 9)

34.0

44.0

–

dB

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