TDA7495 datasheet(3/12 Pages) STMICROELECTRONICS

3 / 12 page

ELECTRICAL CHARACTERISTICS (continued)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

THD

Total Harmonic Distortion

GV = 30dB; PO = 1W; f = 1KHz;

0.4

Ipeak

Output Peak Current

(internally limited)

1.7

2.4

Vin

Input Signal

2.8

Vrms

Closed Loop Gain

Vol Ctrl > 4.5V

28.5

31.5

GvLine

Monitor Out Gain

Vol Ctrl > 4.5V; Zload > 30K

Ω

-1.5

1.5

AMin VOL

Attenuation at Minimum Volume

Vol Ctrl < 0.5V

0.6

MHz

Total Output Noise

f = 20Hz to 22KHz

Play, max volume

500

800

µV

f = 20Hz to 22KHz

Play, max attenuation

100

250

µV

f = 20Hz to 22KHz

Mute

150

µV

Slew Rate

µs

Input Resistance

22.5

Ω

RVar Out

Variable Output Resistance

100

Ω

Rload Var Out

Variable Output Load

Ω

SVR

Supply Voltage Rejection

f = 1kHz; max volume

CSVR = 470

µF; VRIP = 1Vrms

f = 1kHz; max attenuation

CSVR = 470

µF; VRIP =1Vrms

Thermal Muting

150

°C

Thermal Shut-down

160

°C

MUTE STAND-BY & INPUT SELECTION FUNCTIONS

VST-BY

Stand-by threshold

2.3

2.5

2.7

VMUTE

Mute Threshold

2.3

2.5

2.7

IqST-BY

Quiescent Current @ Stand-by

0.6

AMUTE

Mute Attenuation

IstbyBIAS

Stand-by bias current

Stand by on VST-BY = 5V

VMUTE = 5V

µA

Play or Mute

-20

-5

µA

ImuteBIAS

Mute bias current

Mute

µA

Play

0.2

µA

TDA7495

3/12

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