TDA8050 Просмотр технического описания (PDF) - Philips Electronics
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TDA8050 Datasheet PDF : 24 Pages
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Philips Semiconductors
QPSK transmitter
Product specification
TDA8050
THERMAL CHARACTERISTICS
SYMBOL
Rth(j-a)
PARAMETER
thermal resistance from junction to ambient
CONDITIONS
in free air
VALUE
63
HANDLING
Human Body Model (HBM): The IC pins withstand 2 kV except pins 27 and 28 (1750 V).
Machine Model (MM): The IC pins withstand 100 V.
UNIT
K/W
CHARACTERISTICS
Measured in application circuit (see Fig.9) with the following conditions: VCC = 5 V; Tamb = 25 °C; all AC units are RMS
values; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
Supply
VCCA(mod)
ICCA(mod)
VCCA(conv)
ICCA(conv)
ICC(buf)
VCCD
ICCD
VCC(tune)
modulator analog supply voltage
modulator analog supply current
converter analog supply voltage
converter analog supply current
buffer output supply current
digital supply voltage
digital supply current
tuning supply voltage
Quadrature modulator I and Q inputs
VI(DC)
input DC level
Vi(p-p)
signal input level (balanced)
(peak-to-peak value)
fi(max)
Zi(dif)
B(1dB)
I and Q maximum input frequency
differential input impedance
1 dB amplifier bandwidth
MODULATOR
fc
output centre frequency
∆A
amplitude imbalance
∆Φ
phase imbalance
LO(sup)
Zo(dif)
LO suppression
differential output impedance
MODULATOR VOLTAGE CONTROLLED OSCILLATOR
fosc(mod)
oscillation frequency VCO
over the complete range of
temperature
indicative
indicative
indicative
see Fig.3
see Fig.3
4.75
−
4.75
−
−
4.75
−
−
−
−
−
−
−
−
−
−
−
−
−
5
5.25
41
−
5
5.25
48
−
44
−
5
5.25
22
−
−
9
0.5VCC −
400 500
10
−
4.4
−
10
−
−
140
−
±1
−
±2
−28 −
1.8
−
−
280
V
mA
V
mA
mA
V
mA
V
V
mV
MHz
kΩ
MHz
MHz
dB
deg
dBc
kΩ
MHz
1999 Dec 14
6
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