SAA7705H Ver la hoja de datos (PDF) - Philips Electronics
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SAA7705H Datasheet PDF : 60 Pages
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Philips Semiconductors
Car radio Digital Signal Processor (DSP)
Preliminary specification
SAA7705H
SYMBOL
PARAMETER
CONDITIONS
MIN.
Ri(FMRDS)
input resistance
44
FMRDS input
THDFMRDS total harmonic
fc = 57 kHz
−60
distortion RDS ADC
S/NFMRDS
signal-to-noise ratio 6 kHz bandwidth;
54
RDS ADC
fc = 57 kHz;
0 dB reference = 0.55 V
(RMS); note 1
αpilot
α
pilot attenuation RDS
50
nearby selectivity RDS neighbouring channel at 61
200 kHz distance
αn(ADC)
RDS ADC noise
70
attenuation
Vripple(RDS)
ripple voltage RDS
2.4 kHz bandwidth
−
pass band
αmux(RDS)
multiplex attenuation mono
70
RDS
stereo
40
∆fosc
allowable frequency maximum crystal
−
deviation of the 57 kHz resonance frequency
RDS
deviation of 100 ppm
Analog level inputs (AML and FML); Tamb = 25 °C; VDDA1 = 3.3 V
S/NLAD
signal-to-noise ratio of 0 to 29 kHz bandwidth;
48
level-ADC
maximum input level;
unweighted
Ri
input resistance
1.5
Vi(fs)(LAD)
full-scale level-ADC
0
input voltage
VIO
DC offset voltage
−
α
decimation filter
20
attenuation
fco(PB)
fsr
pass band cut-off
at −3 dB and DCS
−
frequency
clock = 9.728 MHz
sample rate frequency DCS clock = 9.728 MHz −
after decimation
Analog outputs; Tamb = 25 °C; VDDA2 = 3.3 V
VVREFDA
ZVREFDA
Vo
VO(av)
voltage at pin VREFDA
impedance at
pin VREFDA
output voltage of
operational amplifiers
average DC output
voltage
with respect to pin VDDA2
with respect to pin VSSA2
maximum I2S-bus signal
(RMS); RL > 5 kΩ (AC)
RL > 5 kΩ (AC)
0.47VDDA2
−
−
0.65
1.5
TYP.
−
MAX.
164
UNIT
kΩ
−67
−
dB
−
−
dB
−
−
dB
−
−
dB
−
−
dB
−
0.5
dB
−
−
dB
−
−
dB
−
6
Hz
54
−
dB
−
2.2
MΩ
−
VDDA1
V
−
60
−
−
29
−
mV
d----e--d-c---aB----d---e--
kHz
38
−
kHz
0.5VDDA2 0.53VDDA2 V
40
−
kΩ
40
−
kΩ
0.75
0.85
V
1.65
1.8
V
1999 Aug 16
30
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