TDA7405 datasheet(8/56 Pages) STMICROELECTRONICS

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TDA7405

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MONO VOICE BANDPASS

fHP

Highpass corner frequency

fHP1

fHP2

120

135

150

fHP3

162

180

198

fHP4

193

215

237

fHP5

270

300

330

fHP6

405

450

495

fHP7

540

600

660

fHP8

675

750

825

fLP

Lowpass corner frequency

fLP1

2.7

3.3

kHz

fLP2

5.4

6.6

kHz

COMPANDER

GMAX

max. Compander Gain

Vi < -46dB

Vi < -46dB, Anti-Clip=On

tAtt

Attack time

tAtt1

6ms

tAtt2

tAtt3

tAtt4

tRel

Release time

tRel1

390

tRel2

780

tRel3

1.17

tRel4

1.56

VREF

Compander Reference Input-

Level (equals 0dB)

VREF1

0.5

VRMS

VREF2

1.0

VRMS

VREF3

2.0

VRMS

Compression Factor

Output Signal / Input Signal

0.5

AUDIO OUTPUTS

VCLIP

Clipping Level

d = 0.3%

2.2

2.6

VRMS

Output Load Resistance

Ω

Output Load Capacitance

ROUT

Output Impedance

120

Ω

VDC

DC Voltage Level

4.3

4.5

4.7

GENERAL

eNO

Output Noise

BW = 20Hz - 20kHz;output muted

µV

BW = 20Hz - 20kHz

all gains = 0dB

single ended inputs

µV

Table 1. ELECTRICAL CHARACTERISTICS (continued)

(VS=9V; Tamb=25°C; RL=10kΩ; all gains=0dB; f=1kHz; unless otherwise specified)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

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