LM48100Q-Q1

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SNAS470E – OCTOBER 2008 – REVISED NOVEMBER 2015

Electrical Characteristics for VDD = 3.6 V (continued)

Programmable Gain = 0 dB, RL = 8 Ω, f = 1 kHz, unless otherwise specified. Limits apply for TA = 25°C, unless otherwise

specified.

PARAMETER

TEST CONDITIONS

MIN(1)

TYP(2)

MAX

UNIT

TSD

Thermal Shutdown Threshold

170

°C

tDIAG

Diagnostic Time

63

ms

6.8 Electrical Characteristics for VDD = 3.6 V at Extended Temperature Limits

Programmable Gain = 0 dB, RL = 8 Ω, f = 1 kHz, unless otherwise specified. Limits apply for TA = –40°C to 105°C, unless

otherwise specified.

PARAMETER

TEST CONDITIONS

MIN(1)

TYP(2)

MAX

UNIT

RL = 8 Ω

3.8

10.8

IDD

Quiescent Power Supply Current

VIN = 0 V, Both channels active

mA

RL = ∞

3.6

7

Diagnostic Mode Quiescent Power

IDD

Diagnostic Mode Enabled, RL = ∞

11.7

mA

Supply Current

ISD

Shutdown Current

Shutdown Enabled

0.01

µA

VOS

Differential Output Offset Voltage

VIN = 0 V, RL = 8 Ω

8.8

76

mV

TWU

Wake-Up Time

Time from shutdown to audio available

11.5

ms

Minimum Gain Setting

–54

AV

Gain

dB

Maximum Gain Setting

18

Mute

Mute Attenuation

–79

dB

AV = 18 dB

12.5

RIN

Input Resistance

k

Ω

AV = –54 dB

89

110

135

THD+N = 10%

820

PO

Output Power

RL = 8 Ω, f = 1 kHz

mW

THD+N = 1%

660

THD+N

Total Harmonic Distortion + Noise

PO = 400 mW, f = 1 kHz, RL = 8 Ω

0.04%

f = 217 Hz

60

78

VRIPPLE = 200 mVP-P Sine, Inputs AC GND,

PSRR

Power Supply Rejection Ratio

dB

CIN_= 1 μF, Input Referred, CBIAS = 2.2 μF

f = 1 kHz

75

SNR

Signal-to-Noise-Ratio

POUT = 780 mW, f = 1 kHz

106

dB

∈OS

Output Noise

AV = 0 dB, A-weighted Filter

12.5

μV

IOUT(FAULT)

FAULT Output Current

FAULT = 0, VOUT(FAULT)= 0.4 V

3

mA

ISHTCKT

Short Circuit Current Limit

1.43

A

TSD

Thermal Shutdown Threshold

170

°C

tDIAG

Diagnostic Time

63

ms

(1)

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

(2)

Typical Values are given for TA = 25°C.

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