TDA6404 Datasheet, PDF (12/32 Pages) NXP Semiconductors – 5 V mixer/oscillator-PLL synthesizers for hyperband tuners

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)
I_IH
I_IL
V_O
I_L(off)
HIGH-level input current
LOW-level input current
output voltage
off-state leakage current
CHP = 1
CHP = 0
PLL is locked; T_amb = 25 °C
T2 = 0; T1 = 1
−
280 −
µA
−
60
−
µA
−
1.95 −
V
−15 −0.5 +15 nA
TUNING VOLTAGE OUTPUT (VT)
I_L(off)
V_O
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;
R_L = 27 kΩ; tuning supply = 33 V
−
−
0.2
−
10
µA
32.7 V
Mixer/oscillator part (V_CC = 5 V; T_amb = 25 °C; unless otherwise specified); measured in Fig.11
IF AMPLIFIER
S₂₂
output reflection coefficient magnitude at 36.15 MHz; Z_o = 50 Ω
−
phase at 36.15 MHz; Z_o = 50 Ω
−
R_s
real part of Z_o = R_s + jωL_s R_s at 36.15 MHz
−
L_s
imaginary part of
L_s at 36.15 MHz
−
Z_o = R_s + jωL_s
VHF MIXER (INCLUDING IF AMPLIFIER)
f_i(RF)
F
g_os
g_i
C_i
V_o
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
f_RF = 50 MHz; see Figs 8 and 9
f_RF = 150 MHz; see Figs 8 and 9
f_RF = 300 MHz;
f_RF = 50 MHz
f_RF = 150 MHz
f_RF = 300 MHz
f_RF = 45.25 MHz
f_RF = 399.25 MHz
f_RF = 45.25 to 399.25 MHz
f_RF = 45.25 MHz; see Fig.6
f_RF = 399.25 MHz; see Fig.6
45.25
−
−
−
−
−
−
−
−
−
116
116
V_i
input voltage causing
f_RF = 399.25 MHz; note 1
−
pulling in channel (750 Hz)
G_V
voltage gain
f_RF = 45.25 MHz; see Fig.4
24.5
f_RF = 399.25 MHz; see Fig.4
24.5
VHF OSCILLATOR
f_osc
∆f_osc(V)
oscillator frequency
oscillator frequency shift
with supply voltage
84.15
∆V_CC = 5%; worst case in the frequency −
range; note 2
∆V_CC = 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