TDA7541B datasheet(24/77 Pages) STMICROELECTRONICS

24 / 77 page

Electrical specifications and characteristics

TDA7541B

24/77

Doc ID 16048 Rev 1

3.3.5

PLL section

Tamb = 25 °C, VCC1 = VCC2 = VCCMIX1 = VCCVCO = VCCIF = 8.5 V, fXtal = 10.25 MHz,

VMPX = 500 mVrms mono, f = 1 kHz, de-emphasis τ = 50 µs, in application circuit, unless

otherwise specified.

Table 9.

PLL section

Item

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

40. Voltage controlled oscillator (VCO)

40.1

fVCOmin Min. VCO frequency

160

MHz

40.2

fVCOmax Max. VCO frequency

260

MHz

40.3

C/N

Carrier-to-noise-ratio

fVCO= 200 MHz, Δf=1 kHz,

B = 1 Hz, Qloaded=60

-80

dBc/

√Hz

41. Crystal oscillator

41.1

fxtal

Crystal frequency

10.25

MHz

41.2

C/N

Carrier-to-noise-ratio

fxtal =10.25 MHz, Δf=10 kHz

110

dBc/

√Hz

41.3

V29

Oscillator output voltage

400

mVrms

41.4

C29-32

Input capacitance

2.5

41.5

Cstep

Min. cap. Step

XTAL

0.75

41.6

Cmax

Max. cap.

XTAL

23.25

41.7

Δf/f

Deviation versus VCC

Δ V

CC=1 V

1.5

ppm/V

41.8

Δf/f

Deviation versus T

-40 °C<T<+85 °C

0.2

ppm/K

42. Charge pump current

42.1

-I20

Source current

V20 = 2.5 V

-50

μA

42.2

I20

Sink current

μA

42.3

-I20

Source current

ICP, V20 = 2.5 V

-550

μA

42.4

I20

Sink current

500

μA

42.5

-I20

Source current

ICP, V20 = 2.5 V

-1-

42.6

I20

Sink current

42.7

-I20

Source current

1.9

42.8

I20

Sink current

1.9

43. Loop filter input/output

43.1

-IIN

Input leakage current

VIN = GND: PDOUT = Tristate

-0.1

0.1

μA

43.2

IIN

Input leakage current

VIN = VREF1 PDOUT = Tristate

-0.1

0.1

μA

43.3

VOL

Output voltage Low

IOUT = -0.2 mA

0.05

0.5

43.4

VOH

Output voltage High

IOUT = 0.2 mA

VCCVCO-

0.5

VCCVCO-

0.05

-V

43.5

IOUT

Output current, sink

VOUT = 1 V to VCCVCO-1 V

43.6

IOUT

Output current, source

VOUT = 1 V to VCCVCO-1 V

-10

TDA7541B Datasheet(PDF) 24 Page - STMicroelectronics

TDA7541B Datasheet(HTML) 24 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77

Datasheet Download

Link URL