LM4671

SNAS258D – MARCH 2005 – REVISED MAY 2013

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Electrical Characteristics

(1)(2) (continued)

The following specifications apply for AV = 2V/V (RI = 150kΩ), RL = 15µH + 8Ω + 15µH unless otherwise specified. Limits

apply for TA = 25°C.

LM4671

Units

Symbol

Parameter

Conditions

(Limits)

Typical(3)

Limit(4) (5)

VIN = 0V, No Load, VDD = 5.0V

6.4

mA (max)

IDD

Quiescent Power Supply Current

VIN = 0V, No Load, VDD = 3.6V

3.8

6.2

mA

VIN = 0V, No Load, VDD =2.4V

2.0

3.0

mA (max)

VSHUTDOWN = 0V

ISD

Shutdown Current

0.01

1

μA (max)

VDD = 2.4V to 5.0V

VSDIH

Shutdown voltage input high

1.2

1.4

V (min)

VSDIL

Shutdown voltage input low

1.1

0.4

V (max)

ROSD

Output Impedance

VSHUTDOWN = 0.4V

100

k

Ω

270k

Ω/RI

V/V (min)

AV

Gain

300k

Ω/RI

330k

Ω/RI

V/V (max)

Resistance from Shutdown Pin to

RSD

300

k

Ω

GND

RL = 15μH + 4Ω + 15μH

THD = 10% (max)

f = 1kHz, 22kHz BW

VDD = 5V

2.5

W

VDD = 3.6V

1.3

W

VDD = 2.5V

520

mW

PO

Output Power

RL = 15μH + 4Ω + 15μH

THD = 1% (max)

f = 1kHz, 22kHz BW

VDD = 5V

2.21

W

VDD = 3.6V

1.06

W

VDD = 2.5V

420

mW

RL = 15μH + 8Ω + 15μH

THD = 10% (max)

f = 1kHz, 22kHz BW

VDD = 5V

1.7

W

VDD = 3.6V

870

mW

VDD = 2.5V

425

mW

PO

Output Power

RL = 15μH + 8Ω + 15μH

THD = 1% (max)

f = 1kHz, 22kHz BW

VDD = 5V

1.19

W

VDD = 3.6V

700

600

mW

VDD = 2.5V

350

mW

VDD = 5V, PO = 0.1WRMS,

0.09

%

f = 1kHz

VDD = 3.6V, PO = 0.1WRMS,

0.04

%

f = 1kHz

THD+N

Total Harmonic Distortion + Noise

VDD = 3.6V, PO = 0.1WRMS,

0.12

%

f = 5kHz

VDD = 3.6V, PO = 0.1WRMS,

0.05

%

f = 10kHz

4

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