LM4674ATLSLASHNOPB datasheet(5/19 Pages) TI

5 / 19 page

LM4674A

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SNAS366A – SEPTEMBER 2006 – REVISED MAY 2013

Electrical Characteristics VDD = 3.6V

(1)(2) (continued)

The following specifications apply for AV = 6dB, RL = 15µH + 8Ω + 15µH, f = 1kHz unless otherwise specified. Limits apply for

TA = 25°C.

LM4674A

Units

Symbol

Parameter

Conditions

(Limits)

Typical(3)

Limit(4)

VRIPPLE = 200mVP-P Sine,

fRipple = 217Hz, Inputs AC GND,

CI = 1μF, input referred

PSRR

Power Supply Rejection Ratio

VRIPPLE = 1VP-P Sine,

fRipple = 1kHz, Inputs AC GND,

CI = 1μF, input referred

VRIPPLE = 1VP-P

CMRR

Common Mode Rejection Ratio

fRIPPLE = 217Hz

PO = 1W, f = 1kHz,

Efficiency

RL = 8Ω, VDD = 5V

Crosstalk

PO = 500mW, f = 1kHz

SNR

Signal to Noise Ratio

VDD = 5V, PO = 1W

εOS

Output Noise

Input referred, A-Weighted Filter

μV

External Components Description

(Figure 1)

Components

Functional Description

Supply bypass capacitor which provides power supply filtering. Refer to the Power Supply Bypassing section for

information concerning proper placement and selection of the supply bypass capacitor.

Input AC coupling capacitor which blocks the DC voltage at the amplifier's input terminals.

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