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TDA8040T Datasheet, PDF (6/16 Pages) NXP Semiconductors – Quadrature demodulator
Philips Semiconductors
Quadrature demodulator
Objective specification
TDA8040T
CHARACTERISTICS
VCC(A) = VCC(D) = VCC(V) = 5 V; fi(RF) = 70 MHz; fi(VCO) = 140 MHz; Vi(RF) = 67 dBµV; Tamb = 25 °C;
measured in application circuit of Fig.10; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS MIN.
TYP. MAX.
Supplies
VCC(A)
supply voltage for I and Q channel
amplifier
VCC(D)
VCC(V)
ICC(A)
supply voltage for demodulator
supply voltage for VCO
supply current for I and Q channel
amplifier
ICC(D)
ICC(V)
supply current for demodulator
supply current for VCO
QPSK demodulator
fi(RF)min
fi(RF)max
Ri(RF)
Xi(RF)
Vi(RF)
Ro(IQ)
VolQ(p-p)
minimum input IF frequency
maximum input IF frequency
resistive input impedance
reactive input impedance
operating input voltage
output resistance for I and Q channels
output voltage for I and Q channels
(peak-to-peak value)
Gch(IQ)
Eφ(IQ)
EG(IQ)
EG(tilt)
NF
I and Q channel gain
phase error between I and Q channels
gain error between I and Q channels
gain tilt error between I and Q channels
double sideband noise figure
IM3
intermodulation distortion in the
I and Q channels
4.75
4.75
4.75
note 1
−
note 1
−
note 1
−
−
150
−
−
64
45
note 2
−
note 3
21
note 4
−
note 4
−
note 5
−
Zsource = 50 Ω; −
note 6
note 7
45
5.0
5.0
5.0
29
16
34
−
−
50
5
67
50
85
22.5
−
−
−
17
−
5.25
5.25
5.25
−
−
−
10.7
−
−
−
70
55
−
24
3
0.5
0.8
20
−
UNIT
V
V
V
mA
mA
mA
MHz
MHz
Ω
Ω
dBµV
Ω
mV
dB
deg
dB
dB
dB
dB
1996 Oct 08
6