LM49200, LM49200TLEVAL

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SNAS459A – MAY 2009 – REVISED APRIL 2013

Electrical Characteristics VDD = 5.0V

(1)(2) (continued)

The following specifications apply for VDD = 5.0V, TA = 25°C, all volume controls set to 0dB, unless otherwise specified.

LS = Loudspeaker, HP = Headphone.

LM49200

Units

Parameter

Test Conditions

(Limits)

Typ(3)

Limits(4)

LS output, f = 1kHz,

VREF = VOUT (1%THD+N)

109

dB

Gain = 0dB, A-weighted

LIN & RIN AC terminated

SNR

Signal-to-Noise Ratio

HP output, f = 1kHz,

VREF = VOUT (1%THD+N)

101

dB

Gain = 0dB, A-weighted

LIN & RIN AC terminated

A-weighted, Inputs terminated to AC GND, Output Referred

Right LS only, Mode 1

8

µV

LS: Mode 1

8

µV

LS: Mode 2

11

µV

εOUT

Output Noise

LS: Mode 3

14

µV

HP: Mode 4

8

µV

HP: Mode 8

9

µV

HP: Mode 12

11

µV

VRIPPLE = 200mVP-P, fRIPPLE = 217Hz, CB = 2.2μF

All inputs AC terminated to GND, output referred

LS: Mode 1, RL = 8Ω BTL

90

dB

PSRR

Power Supply Rejection Ratio

LS: Mode 2, RL = 8Ω BTL

70

dB

HP: Mode 4, RL = 32Ω SE

87

dB

HP: Mode 8, RL = 32Ω SE

77

dB

f = 217Hz, VCM = 1VP-P

CMRR

Common-Mode Rejection Ratio

LS: RL = 8Ω BTL, Mode 1

60

dB

HP: RL = 32Ω SE, Mode 4

66

dB

LS: PO = 1W, f = 1kHz, Mode 2

80

dB

XTALK

Crosstalk

HP: PO = 12mW, f = 1kHz, Mode 8

70

dB

Maximum Gain setting

12.5

k

Ω

ZIN

MIN, LIN, and RIN Input Impedance

Maximum Attenuation setting

110

k

Ω

Maximum Gain

18

dB

VOL

Digital Volume Control Range

Maximum Attenuation

–80

dB

VOL

Volume Control Step Size Error

0.2

dB

CB = 2.2μF, HP, Normal Turn-On Mode

29

ms

TWU

Wake-Up Time from Shutdown

CB = 2.2μF, HP, Fast Turn-On Mode

16

ms

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