1995 Mar 21 6
Philips Semiconductors Product specification
Low power VHF, UHF and hyperband
mixer/oscillator for TV and VCR 3-band tuners
TDA5731M
CHARACTERISTICS
V
P
=5V; T
amb
=25°C; measured in circuit of Fig.6; unless otherwise specified.
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
Supply (T
amb
= −10 to +80 °C; VP= 4.5 to 5.5 V)
V
P
supply voltage 4.5 5.0 5.5 V
I
P
supply current 28 36 44 mA
V
SW
switching voltage (depending
on supply voltage VP)
band A 0 − 0.18VPV
band B 0.26V
P
− 0.47VPV
band C 0.55V
P
− V
P
V
I
SW
switching current band A −−2µA
band B −−10 µA
band C −−25 µA
Band A mixer (including IF amplifier)
f
R
frequency range 42 − 180 MHz
N noise figure f
i
= 50 MHz; see Fig.3 − 7.5 9 dB
f
i
= 180 MHz; see Fig.3 − 910 dB
g
os
optimum source
conductance for minimum
noise figure
fi=50MHz − 0.5 − mS
f
i
= 180 MHz − 1.1 − mS
Y
I
input admittance (GP//CP)f
i
= 50 MHz; see Fig.7 − 0.27 − mS
f
i
= 180 MHz; see Fig.7 − 0.34 − mS
f
i
= 50 to 180 MHz; see Fig.7 − 1.9 − pF
IP3 intermodulation using the
3 signals method
f
N
= 180 MHz; note 1 −−66 −60 dB
V
i
input voltage 10 kHz pulling in channel;
fi= 180 MHz
96 100 − dBµV
G
v
voltage gain 20log(V
9-10/V15
); fi= 50 MHz;
note 2
20.5 23 25.5 dB
20log(V
9-10/V15
); fi= 180 MHz;
note 2
20.5 23 25.5 dB
Band A oscillator
f
R
frequency range T
amb
= −10 to +80 °C;
VP= 4.5 to 5.5 V;
V
tune
= 0.45 to 28 V
80 − 210 MHz
f
shift
frequency shift ∆Vp= ±5%; note 3 −−200 kHz
χ
ripple(p-p)
ripple susceptibility of supply
voltage (peak-to-peak value)
fi= 80 MHz; note 4 20 −− mV
f
ripple(p-p)
frequency ripple
(peak-to-peak value)
from 20 Hz to 500 kHz;
fi= 210 MHz
20 −− mV
f
drift
frequency drift without compensation:
notes 5 and 6
−−600 kHz
5 s to 15 min after switching on;
without compensation: note 7
−−200 kHz