tda5745ts NXP Semiconductors, tda5745ts Datasheet - Page 8

• Manufacturer Part Number: tda5745ts
• Description: Low Power Mixers/oscillators For Hyperband Tuners
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Notes
1. This is the level of the RF signal (100% amplitude modulated with 11.89 kHz) that causes a 750 Hz frequency
2. The frequency shift is defined as the change of the oscillator frequency when the supply voltage varies from
3. The frequency drift is defined as the change of the oscillator frequency when the ambient temperature varies from
4. The switching on drift is defined as the change of the oscillator frequency between 5 seconds and 15 minutes after
5. The ripple susceptibility is measured for a 500 kHz ripple at the IF amplifier output using the measurement circuit;
6. Channel x beat: picture carrier frequency (f
7. Channel S02: f
1998 Mar 09
UHF oscillator
f
RSC
Rejection at the IF amplifier output
INT
INT
SYMBOL
osc
f
f
f
Low power mixers/oscillators for
hyperband tuners
osc
osc(V)
osc(T)
osc(t)
deviation on the oscillator signal; it produces sidebands 30 dB below the level of the oscillator signal.
V
T
switching on. The oscillator is free-running during this measurement.
the level of the ripple signal is increased until a difference of 53.5 dB between the IF carrier set at 100 dB V and the
sideband components is reached.
The rejection of the interfering product f
The rejection of f
CHX
S02
amb
CC
(p-p)
= 5 to 4.5 V or from V
= 25 to 0 C or from T
oscillator frequency
oscillator frequency shift
with supply voltage
oscillator frequency drift
with temperature
oscillator frequency drift
with time
phase noise,
carrier-to-noise sideband
ripple susceptibility of V
(peak-to-peak value)
channel x beat
S02 beat
pc
PARAMETER
osc
is 76.25 MHz at 70 dB V; f
2
f
CC
IF
amb
= 37.35 MHz should be >66 dB.
= 5 to 5.25 V. The oscillator is free-running during this measurement.
= 25 to 50 C. The oscillator is free-running during this measurement.
CC
frequency range; note 2
case in the frequency range; note 3
worst case in the frequency range;
note 4
in the frequency range
V
range; ripple frequency 500 kHz; note 5
note 6
note 7
pc(RF)
100 kHz frequency offset; worst case
V
V
T = 25 C; with compensation; worst
CC
CC
CC
pc
= 5 V; worst case in the frequency
osc
) and sound carrier frequency (f
= 5%; note 2
= 10%; worst case in the
+ f
= 115.15 MHz.
sc(RF)
CONDITIONS
8
f
osc
at 35.35 MHz should be >60 dB.
sc
) both at 80 dB V.
446.15
15
60
66
TDA5744; TDA5745
MIN.
30
80
600
200
106
20
Preliminary specification
TYP.
894.15 MHz
80
tbf
tbf
tbf
MAX.
kHz
kHz
kHz
kHz
dBc/Hz
mV
dBc
dBc
UNIT