1999 Jan 13
12
Philips Semiconductors
Product specication
5 V mixer/oscillator-PLL synthesizers for
hyperband tuners
TDA6404; TDA6405;
TDA6405A
CHARGE PUMP OUTPUT (CP)
IIH
HIGH-level input current
CHP = 1
280
A
I
IL
LOW-level input current
CHP = 0
60
A
VO
output voltage
PLL is locked; Tamb =25 °C
1.95
V
IL(off)
off-state leakage current
T2 = 0; T1 = 1
15
0.5
+15
nA
TUNING VOLTAGE OUTPUT (VT)
IL(off)
off-state leakage current
OS = 1; tuning supply = 33 V
10
A
VO
output voltage when the
loop is closed
OS = 0; T2 = 0; T1 = 0; T0 = 1;
RL =27k; tuning supply = 33 V
0.2
32.7
V
Mixer/oscillator part (VCC =5V; Tamb =25 °C; unless otherwise specied); measured in Fig.11
IF AMPLIFIER
S22
output reection coefcient magnitude at 36.15 MHz; Zo =50
12.5
dB
phase at 36.15 MHz; Zo =50
1.41
deg
Rs
real part of Zo =Rs +jωLs
Rs at 36.15 MHz
81
Ls
imaginary part of
Zo =Rs +jωLs
Ls at 36.15 MHz
9.5
nH
VHF MIXER (INCLUDING IF AMPLIFIER)
fi(RF)
RF input frequency
picture carrier frequency
45.25
399.25
MHz
F
noise gure
fRF = 50 MHz; see Figs 8 and 9
79dB
fRF = 150 MHz; see Figs 8 and 9
810
dB
fRF = 300 MHz;
911
dB
gos
optimum source
conductance for noise
gure
fRF = 50 MHz
0.7
mS
fRF = 150 MHz
0.9
mS
fRF = 300 MHz
1.5
mS
gi
input conductance
fRF = 45.25 MHz
0.25
mS
fRF = 399.25 MHz
0.5
mS
Ci
input capacitance
fRF = 45.25 to 399.25 MHz
2
pF
Vo
output voltage causing 1%
cross modulation in
channel
fRF = 45.25 MHz; see Fig.6
116
119
dB
V
fRF = 399.25 MHz; see Fig.6
116
119
dB
V
Vi
input voltage causing
pulling in channel (750 Hz)
fRF = 399.25 MHz; note 1
88
dB
V
GV
voltage gain
fRF = 45.25 MHz; see Fig.4
24.5
27
29.5
dB
fRF = 399.25 MHz; see Fig.4
24.5
27
29.5
dB
VHF OSCILLATOR
fosc
oscillator frequency
84.15
438.15
MHz
f
osc(V)
oscillator frequency shift
with supply voltage
VCC = 5%; worst case in the frequency
range; note 2
100
200
kHz
V
CC = 10%; worst case in the
frequency range; note 2
200
kHz
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT