TDA6508ATT/C3,118 NXP Semiconductors, TDA6508ATT/C3,118 Datasheet - Page 18

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TDA6508ATT/C3,118

Manufacturer Part Number
TDA6508ATT/C3,118
Description
Manufacturer
NXP Semiconductors
Datasheet

Specifications of TDA6508ATT/C3,118

Lead Free Status / Rohs Status
Compliant
Philips Semiconductors
Notes
1. The range of f
2. V
3. Limits are related to the tank circuits used in Fig.27; frequency bands may be adjusted by the choice of external
4. The oscillator frequency shift is defined as a change in oscillator frequency when the supply voltage varies from
5. The oscillator frequency drift is defined as a change in oscillator frequency when the ambient temperature varies from
6. The ripple susceptibility is measured with a 500 kHz ripple signal applied to the supply voltage. The level of the ripple
7. FM modulation of the local oscillator resulting from I
2005 Mar 25
FM
W
IF
f
Z
R
INT
IR
R
INT
O(IF)
SYMBOL
G
o
EJECTION AT THE
ref
3-band mixer/oscillator and PLL for
terrestrial tuners
EAK SIGNAL BOOSTER
xtal
PREAMPLIFIER
v(WSB)
deviate by 750 Hz; it produces sidebands 30 dB below the level of the oscillator signal.
components.
V
during this measurement.
T
measurement. For T = 25 C measurements, the tank circuit has temperature compensated values;
for T = 35 C measurements, the tank circuit has non-temperature compensated values.
signal is increased until a difference of 53.5 dB occurs between the level of the IF carrier, fixed at 110 dB V for
TDA6508; TDA6509 or 100 dB V for TDA6508A; TDA6509A, and the sideband components.
modulation analyzer with a peak-to-peak detector and a post detection filter of 20 Hz to 100 kHz. I
sent to the tuner address the tuner without changing the contents of the PLL registers. The maximum I
rate is 400 kHz. The I
mod
div
SO2
amb
i
CC
is the level of f
= 5 V to 4.75 V (or 5 V to 4.5 V) or from V
= 25 C to 50 C (60 C max.) or from T
FM modulation caused by
I
gain increase when the
weak signal booster mode is
activated
IF operational frequency
output impedance
(R
level of divider interferences
in the IF signal
crystal oscillator
interferences rejection
reference frequency
rejection
channel SO2 beat
2
C communication
S
RF
IF
j L
RF
is defined by the range of f
OUTPUT
PARAMETER
(100% amplitude modulated with 11.89 kHz) that causes the frequency of the oscillator signal to
S
)
2
C-bus pull-up resistor values are 1.5 k .
worst case; note 7
TDA6508; TDA6509;
IF = 36.15 MHz
TDA6508A; TDA6509A;
IF = 36.15 MHz
TDA6508; TDA6509
TDA6508A; TDA6509A
worst case; note 8
worst case in the frequency range;
note 9
worst case in the frequency range;
f
V
ref
pc
R
L
R
L
osc
= 62.5 kHz; note 10
S
S
S
S
= 80 dB V; note 11
amb
CC
at 36.15 MHz
at 36.15 MHz
at 36.15 MHz
at 36.15 MHz
and I; f
= 25 C to 0 C. The oscillator is free running during this
= 5 V to 5.25 V (or 5 V to 5.5 V). The oscillator is free running
CONDITIONS
2
C-bus communication is measured at the IF output using a
pc
18
= picture carrier frequency.
13
7
5
60
60
60
TDA6508; TDA6508A;
TDA6509; TDA6509A
MIN.
16
10
100
52
40
12
24
80
66
66
TYP.
Product specification
2
3.0
60
C-bus messages
MAX.
2
C-bus clock
kHz
dB
dB
MHz
nH
nH
dB V
dBc
dBc
dBc
UNIT

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