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TDA8012AM Datasheet, PDF (6/16 Pages) NXP Semiconductors – Low power PLL FM demodulator for satellite TV receivers
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