TDA7514 datasheet(11/74 Pages) STMICROELECTRONICS

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TDA7514

Symbol

Parameter

Test Condition

Min

Typ

Max

Unit

SoftMute by Adjacent Channel Detector

Vthsmac1

Threshold level1

T14<2>=0

2.75

Vthsmac2

Threshold level2

T14<2>=1

3.25

Attsmac1

Attenuation1

T14<7:6>=00

Attsmac2

Attenuation2

T14<7:6>=01

Attsmac3

Attenuation3

T14<7:6>=10

Attsmac4

Attenuation4

T14<7:6>=11

Station Detector by Smeter

VSDl

Low output level

@SDpin

VSDh

High output level

@SDpin

Vthsdmin

Threshold level minimum

T20<3:0>=0000

0.4

Vthsdmax

Threshold level maximum

T20<3:0>=1111

3.4

Vthsdstep

Threshold level step

0.2

Adjacent Channel Detector for Quality outputs, SNC and HCC

F1ac1

Cutoff or center frequency of

filter1

T8<4>=0

kHz

F1ac2

Cutoff or center frequency of

filter1

T8<4>=1

104

kHz

F2ac1

Cutoff or center frequency of

filter2

T8<5>=0

119

kHz

F2ac2

Cutoff or center frequency of

filter2

T8<5>=1

139

kHz

GcF2ac1

Gain of filter2

T18<7>=0

8.7

GcF2ac2

Gain of filter2

T18<7>=1

14.7

∆Vrect1

Offset1 of rectifier for

SNC&HCC

T18<5:4>=00

0.4

∆Vrect2

Offset2 of rectifier for

SNC&HCC

T18<5:4>=01

0.8

∆Vrect3

Offset3 of rectifier for

SNC&HCC

T18<5:4>=10

1.2

∆Vrect4

Offset4 of rectifier for

SNC&HCC

T18<5:4>=11

1.6

Multipath Detector for Quality output, SNC and HCC (Filter shared with ISS multipath detector)

Gvrectl

Rectifier Gain minimum

T15<7:5>=000

Gvrecth

Rectifier Gain maximum

T15<7:5>=111

13.4

Gvrectstep

Rectifier Gain step

1.2

Table 3. (continued)

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