TDA7540N datasheet(22/76 Pages) STMICROELECTRONICS

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Electrical specifications

TDA7540N

22/76

PEAK

Peak voltage

NBRR = 00, VMPX=0mV

0.5

0.8

1.0

VPEAK

Peak voltage

VMPX=50mV, f=150kHz

1.6

1.9

2.1

VPEAK

Peak voltage

VMPX=200mV, f=150kHz

2.2

2.5

2.7

VPEAKDEV

Min. deviation dependent

peak voltage

VMPX=500mV, NBDTH = 11

0.5

0.8 (off)

1.0

VOP

VPEAKDEV

Max. deviation dependent

peak voltage

VMPX=500mV, NBDTH= 00

1.7

2.0

2.2

VOP

VPEAKFS

Min. fieldstrength controlled

peak voltage

VMPX=0mV, VLEVEL<< VSBL

(fully mono), NBFS = 11

0.5

0.8 (off)

1.0

VPEAKFS

Max. fieldstrength controlled

peak voltage

VMPX=0mV, VLEVEL<< VSBL

(fully mono), NBFS = 00

1.7

2.0

2.2

Min. blanking time

Signal HOLDN in testmode,

NBT

μs

Max. blanking time

Signal HOLDN in testmode,

NBT

μs

SRPEAK

Noise rectifier charge

Signal PEAK in testmode,

NBPC=0

mV/

μs

SRPEAK

Noise rectifier charge

Signal PEAK in testmode,

NBPC=1

mV/

μs

VRECTADJ

Noise rectifier discharge

adjustment

Signal PEAK in testmode,

NBRR=00, NBSMP=0,

MPPC=0

0.3

V/ms

VRECTADJ

Noise rectifier discharge

adjustment

Signal PEAK in testmode,

NBRR=01, NBSMP=0,

MPPC=0

0.8

V/ms

VRECTADJ

Noise rectifier discharge

adjustment

Signal PEAK in testmode,

NBRR=10, NBSMP=0,

MPPC=0

1.3

V/ms

VRECTADJ

Noise rectifier discharge

adjustment

Signal PEAK in testmode,

NBRR=11, NBSMP=0,

MPPC=0

2.0

V/ms

VADJMP

Noise rectifier adjustment by

multipath

Signal PEAK in testmode,

VMPTC=1V, NBSMP=0,

MPPC=1, NBRR=01

2.5

V/ms

VADJMP

Noise rectifier adjustment by

strong multipath influence

Signal PEAK in testmode,

VMPTC=1V,, NBSMP=1,

MPPC=0, NBRR=01

3.3

V/ms

VADJMP

Noise rectifier adjustment by

multipath and strong multipath

influence

Signal PEAK in testmode,

VMPTC=1V,, NBSMP=1,

MPPC=1A, NBRR=01

4.5

V/ms

Table 8.

Stereodecoder electrical characteristics (continued)

(Tamb = 25°C, VCC1 = VCC2 = VCC3 = VCCST= VCCVCO = VCCMIX1 = VCCMIX2 = VCCIF1 = 8.5V,

VMPX = 500mVrms mono, f = 1kHz, deemphasis = 50µs, fXtal = 10.25MHz, in application

circuit, unless otherwise specified).

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

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