TDA7540N datasheet(25/76 Pages) STMICROELECTRONICS

номер детали	TDA7540N

подробное описание детали	AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system (ISS)

PDF	76 Pages

Scroll/Zoom	100%

производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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25 / 76 page

TDA7540N

Electrical specifications

25/76

3.3.5

PLL Section

Table 9.

PLL electrical characteristics

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

fRF = 98MHz, dev. = 40kHz, fMOD = 1kHz, fXtal = 10.25MHz, in application circuit, unless

otherwise specified).

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Output of tuning voltages (TV1,TV2)

VOUT

Output voltage

TVO

0.5

VCC3-0.5

ROUT

Output impedance

TVMODE=0

ROUT

Output impedance

TVMODE=1

Xtal reference oscillator

fLO

Reference frequency

CLoad = 15pF

10.25

MHz

CStep

Min. cap step

XTAL

0.75

Cmax

Max. cap

XTAL

23.25

Δf/f

Deviation versus VCC2

ΔVCC2 = 1V

1.5

ppm/V

Δf/f

Deviation versus temp

-40°C < T < +85°C

0.2

ppm/K

Loop filter input/output

-IIN

Input leakage current

VIN = GND, PDOUT = Tristate

-0.1

0.1

μA

IIN

Input leakage current

VIN = VREF1

PDOUT = Tristate

-0.1

0.1

μA

VOL

Output voltage Low

IOUT = -0.2mA

0.05

0.5

VOH

Output voltage High

IOUT = 0.2mA

VCC3-

0.5

VCC3-

0.05

IOUT

Output current, sink

VOUT = 1V to VCC3-1V

IOUT

Output current, source

VOUT = 1V to VCC3-1V

-10

Voltage controlled oscillator (VCO)

fVCOmin

Minimum VCO frequency

MHz

fVCOmax

Maximum VCO frequency

260

MHz

C/N

Carrier to Noise

fVCO= 200MHz, Δf=1KHz,

B=1Hz, closed loop

dBc

SSTOP, INLOCK, ISSSTATUS outputs (open collector)

Output voltage low

I = -200μA0.2

0.5

Output voltage high

-I

Output leakage current

V = 5V

-0.1

0.1

μA

Output current, sink

V = 0.5V-5V

Switching outputs S1, S2 (open collector SMODE=1)

Output voltage low

I = -5mA

0.2

0.5

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