TDA8012A Ver la hoja de datos (PDF) - Philips Electronics

Número de pieza

componentes Descripción

Fabricante

TDA8012A

Low power PLL FM demodulator for satellite TV receivers

Philips Electronics 

Philips Semiconductors

Low power PLL FM demodulator for

satellite TV receivers

Product specification

TDA8012AM

CHARACTERISTICS

Measured in the application circuit (see Fig.4) with the following conditions: VCC = 5 V, Tamb = 25 °C, fc = 480 MHz,

input level: 57 dBµV; unless otherwise specified.

SYMBOL

PARAMETER

CONDITIONS

MIN. TYP. MAX. UNIT

Supply

VCC

supply voltage

ICC

supply current

note 1

Voltage controlled oscillator

KVCO

∆fVCO(drift)

∆fVCO(shift)

VCO constant

4.75 < VCC < 5.25 V;

−10 < Tamb < 80 °C

VCO frequency temperature dependence note 2

VCO frequency voltage dependence

4.75 < VCC < 5.25 V

Frequency demodulator

Vi

operating input level

note 3

fc

optimal operating carrier frequency

Zi

input impedance

note 4

resistive part

inductive part

KD

phase detector constant

LG

PLL loop gain

drift

Vi = 57 dBµV

note 5

shift

Zo

differential output impedance of the

phase detector

fcr(PLL)

DG

DP

IM3

PLL capture range

differential gain

differential phase

third-order intermodulation distortion

note 6

note 7

note 7

note 8

IM2

second-order intermodulation distortion note 9

4.75 5.0

40

50

5.25 V

60

mA

20

25

30

MHz/V

−

1

2.5

MHz

−

±300 ±750 kHz

53

57

61

−

480 −

−

50

−

−

100 −

−

0.42 −

−

2

−

−

2

−

1.8

2.3

2.8

±20 ±26 −

−

±2

−

−

±2

−

47

−

−

45

−

−

dBµV

MHz

Ω

nH

V/rad

dB

dB

kΩ

MHz

%

deg

dB

dB

Video output

Vo(p-p)

baseband signal amplitude

(peak-to-peak value)

VO

DC voltage level of video output

Zo

output impedance

S/N

weighted baseband signal-to-noise ratio

SAM

Amplitude Modulation (AM) sensitivity

frequency

deviation = 25 MHz

note 10

note 11

0.8

1.0

1.2

V

2.1

2.35 2.6

V

−

75

−

Ω

58

61

−

dB

−

30

−

dB

1997 May 26

6

Share Link: