LM4953_14 datasheet(5/19 Pages) TI1

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LM4953, LM4953SDBD

www.ti.com

SNAS299E – SEPTEMBER 2005 – REVISED FEBRUARY 2006

Electrical Characteristics VDD = 3.0V

The following specifications apply for VDD = 3.0V, AV-BTL = 6dB, ZL = 2μF+30Ω unless otherwise specified. Limits apply to TA =

25°C. See Figure 1.

Symbol

Parameter

Conditions

LM4953

Units (Limits)

Typ(1)

Limit(2)(3)

Quiescent Power Supply

IDD

VIN = 0, ZLOAD = 2μF+30Ω

mA (max)

Current

Quiescent Power Supply

Istandby

VIN = 0, ZLOAD = 2μF+30Ω

2.3

Current Auto Standby Mode

ISD

Shutdown Current

VSD-LC = VSD-RC = GND

0.1

µA (max)

SD1

V (min)

VSDIH

Shutdown Voltage Input High

0.7*CPVdd

SD2

SD1

V (max)

VSDIL

Shutdown Voltage Input Low

0.3*CPVdd

SD2

TWU

Wake-up Time

125

μsec

VOS

Output Offset Voltage

mV (max)

THD = 1% (max); f = 1kHz

VOUT

Output Voltage Swing

10.2

Vpp

ZL = 2μF+30Ω, Mono BTL

Total Harmonic Distortion +

THD+N

VOUT = 8.5Vp-p, fIN = 1kHz

0.02

Noise

∈OS

Output Noise

A-Weighted Filter, VIN = 0V

μV

VRIPPLE = 200mVp-p, f = 217Hz,

Input Referred

PSRR

Power Supply Rejection Ratio

VRIPPLE = 200mVp-p, f = 1kHz,

Input Referred

SNR

Signal-to-Noise Ratio

ZL = 2μF+30Ω, VOUT = 8.5Vp-p

105

(1)

Typicals are measured at 25°C and represent the parametric norm.

(2)

Limits are specified to Texas Instruments' AOQL (Average Outgoing Quality Level).

(3)

Datasheet min/max specification limits are specified by design, test, or statistical analysis.

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