TI Confidential - NDA Restrictions

LM49151

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SNAS482F – MARCH 2009 – REVISED MARCH 2013

Electrical Characteristics 3.3V

(1)(2) (continued)

The following specifications apply for LS and HP VOLUMEGAIN = 0dB, LSGAIN =12dB, HPGAIN = 0dB RL = 8Ω+30µH

(Loudspeaker), RL = 32Ω (Headphone), RL = 8Ω (Earpiece), CSET = 0.1µF, ALC disabled, f = 1kHz, unless otherwise

specified. Limits apply for TA = 25°C. (Note 7).

LM49151

Units

Symbol

Parameter

Conditions

Typical

Limits

(Limits)

(3)

(4)

ISD

Shutdown Current

0.04

1

µA (max)

VIN = 0

LS Mode 5, mono input

10

mV

HP Mode 5, mono input

2

6

mV (max)

EP Bypass Mode, 1mono input

0.8

5

mV (max)

VOS

Output Offset Voltage

LS Mode 10, stereo input

10

mV

HP Mode 10, stereo input

2

6

mV (max)

LS Mode 15, stereo + mono input

10

mV

HP Mode 15, stereo + mono input

2

6

mV (max)

HP Mode, CBYPASS = 2.2μF

tWU

Wake Up Time

Normal, TURN_ON_TIME = 0

27

ms

Fast, TURN_ON_TIME = 1

15

ms

dB (min)

Minimum Gain Setting

–80

dB (max)

AVOL

Volume Control

Maximum Gain Setting

18

dB

Volume Control Step Error

±0.2

dB

LS Mode

Gain 0

12

dB

Gain 1

18

dB

HP Mode

Gain 0

0

dB

Gain 1

–1.5

dB

AV

Gain

Gain 2

–3

dB

Gain 3

–6

dB

Gain 4

–9

dB

Gain 5

–12

dB

Gain 6

–15

dB

Gain 7

–18

dB

LS Output, HP Mode

–96

dB

POUT = 20mW

AVMUTE

Mute Attention

HP Output, LS Mode

–96

dB

POUT = 250mW

MONO, RIN, LIN, Inputs

11

k

Ω (min)

Maximum Gain Setting

13

15.5

k

Ω (max)

RIN

Input Resistance

90

k

Ω (min)

Minimum Gain Setting

110

130

k

Ω (max)

50

k

Ω (min)

EP Bypass Mode

62

80

k

Ω (max)

f = 1kHz, THD+N = 1%

Two channels in phase

LS Mode 1

520

450

mW (min)

PO

Output Power

HP Mode 8, RL = 16Ω

40

mW

HP Mode 8, RL = 32Ω

40

30

mW (min)

EP Bypass Mode, RL = 8Ω

35

26

mW (min)

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