TDA6508 Datasheet, PDF (15/42 Pages) NXP Semiconductors – 3-band mixer/oscillator and PLL for terrestrial tuners

Philips Semiconductors
3-band mixer/oscillator and PLL for
terrestrial tuners
Product specification
TDA6508; TDA6508A;
TDA6509; TDA6509A
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP.
V_o
output voltage (causing 1% TDA6508; TDA6509
cross-modulation in channel) _{fRF = 43.25 MHz; see Fig.15}
114 117
f_RF = 161.25 MHz; see Fig.15
114
117
TDA6508A; TDA6509A
f_RF = 43.25 MHz; see Fig.16
106 109
f_RF = 161.25 MHz; see Fig.16
106
109
V_i
input voltage (causing
f_RF = 161.25 MHz; note 2
pulling in channel at 750 Hz)
−
90
g_os
optimum source
f_RF = 50 MHz
conductance for noise figure
−
0.7
g_i
input conductance
C_i
input capacitance
f_RF = 43.25 MHz; see Fig.5
f_RF = 161.25 MHz; see Fig.5
f_RF = 43.25 to 161.25 MHz;
see Fig.5
−
0.3
−
0.3
−
1
LOW OSCILLATOR
f_osc(o)
oscillator operational
frequency
60
−
f_osc
∆f_osc(V)
∆f_osc(T)
oscillator frequency
note 3
oscillator frequency variation
with supply voltage
oscillator frequency variation
with temperature
∆V_CC = 5%; note 4
∆V_CC = 10%; note 4
∆T = ±25 °C; with compensation;
note 5
82.15 −
−
20
−
50
−
900
∆T = 35 °C; without compensation; −
note 5
1700
Φ_osc
phase noise, carrier-to-noise worst case in the frequency range
sideband
±100 kHz frequency offset
−
−110
±10 kHz frequency offset
−
−90
RSC_(p-p) ripple susceptibility of V_CC 4.75 V <V_CC <5.25 V; worst case in 15
90
(peak-to-peak value)
the frequency range; ripple
frequency 500 kHz; note 6
FM_mod
FM modulation caused by
I²C communication
worst case; note 7
−
−
MID MIXER (INCLUDING IF PREAMPLIFIER)
f_O(RF)
f_RF
RF operational frequency
RF frequency
f_pc; note 1
40
−
154.25 −
MAX. UNIT
−
dBµV
−
dBµV
−
dBµV
−
dBµV
−
dBµV
−
mS
−
mS
−
mS
−
pF
600 MHz
200.15
−
−
−
MHz
kHz
kHz
kHz
−
kHz
−107
−87
−
dBc/Hz
dBc/Hz
mV
2.12 kHz
800 MHz
447.25 MHz
2005 Mar 25
15