TDA6404 View Datasheet(PDF) - Philips Electronics
Part Name
Description
MFG CO.
TDA6404 Datasheet PDF : 32 Pages
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Philips Semiconductors
5 V mixer/oscillator-PLL synthesizers for
hyperband tuners
Product specification
TDA6404; TDA6405;
TDA6405A
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
CHARGE PUMP OUTPUT (CP)
IIH
IIL
VO
IL(off)
HIGH-level input current
LOW-level input current
output voltage
off-state leakage current
CHP = 1
CHP = 0
PLL is locked; Tamb = 25 °C
T2 = 0; T1 = 1
−
280 −
µA
−
60
−
µA
−
1.95 −
V
−15 −0.5 +15 nA
TUNING VOLTAGE OUTPUT (VT)
IL(off)
VO
off-state leakage current
output voltage when the
loop is closed
OS = 1; tuning supply = 33 V
OS = 0; T2 = 0; T1 = 0; T0 = 1;
RL = 27 kΩ; tuning supply = 33 V
−
−
0.2
−
10
µA
32.7 V
Mixer/oscillator part (VCC = 5 V; Tamb = 25 °C; unless otherwise specified); measured in Fig.11
IF AMPLIFIER
S22
output reflection coefficient magnitude at 36.15 MHz; Zo = 50 Ω
−
phase at 36.15 MHz; Zo = 50 Ω
−
Rs
real part of Zo = Rs + jωLs Rs at 36.15 MHz
−
Ls
imaginary part of
Ls at 36.15 MHz
−
Zo = Rs + jωLs
VHF MIXER (INCLUDING IF AMPLIFIER)
fi(RF)
F
gos
gi
Ci
Vo
RF input frequency
noise figure
optimum source
conductance for noise
figure
input conductance
input capacitance
output voltage causing 1%
cross modulation in
channel
picture carrier frequency
fRF = 50 MHz; see Figs 8 and 9
fRF = 150 MHz; see Figs 8 and 9
fRF = 300 MHz;
fRF = 50 MHz
fRF = 150 MHz
fRF = 300 MHz
fRF = 45.25 MHz
fRF = 399.25 MHz
fRF = 45.25 to 399.25 MHz
fRF = 45.25 MHz; see Fig.6
fRF = 399.25 MHz; see Fig.6
45.25
−
−
−
−
−
−
−
−
−
116
116
Vi
input voltage causing
fRF = 399.25 MHz; note 1
−
pulling in channel (750 Hz)
GV
voltage gain
fRF = 45.25 MHz; see Fig.4
24.5
fRF = 399.25 MHz; see Fig.4
24.5
VHF OSCILLATOR
fosc
∆fosc(V)
oscillator frequency
oscillator frequency shift
with supply voltage
84.15
∆VCC = 5%; worst case in the frequency −
range; note 2
∆VCC = 10%; worst case in the
−
frequency range; note 2
−12.5
1.41
81
9.5
−
7
8
9
0.7
0.9
1.5
0.25
0.5
2
119
119
88
27
27
−
100
200
−
dB
−
deg
−
Ω
−
nH
399.25 MHz
9
dB
10
dB
11
dB
−
mS
−
mS
−
mS
−
mS
−
mS
−
pF
−
dBµV
−
dBµV
−
dBµV
29.5 dB
29.5 dB
438.15 MHz
200 kHz
−
kHz
1999 Jan 13
12
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