SAA7284GP Philips Semiconductors, SAA7284GP Datasheet - Page 27

• Manufacturer Part Number: SAA7284GP
• Description: Terrestrial digital sound decoder for conventional intercarrier PLL-IF systems
• Manufacturer: Philips Semiconductors

Philips Semiconductors
1996 Oct 24
Digital de-emphasis
DEV
FM audio inputs
FML
Z
G
G
V
S/N
THD
EXT audio input
EXTL
Z
G
G
V
S/N
THD
NICAM internal DAC (selected via I
V
THD+N
DIGS
AUDIOS
Audio outputs
OPL
C
R
CHM
PSRR
SYMBOL
i
i
ain(rms)
ain(rms)
o(rms)
Terrestrial digital sound decoder for
conventional intercarrier PLL-IF systems
L
L
a
a
AND
AND
AND
FMR (
OPR
EXTR (
deviation from ideal
input impedance
output gain
output gain accuracy
input voltage level (RMS value)
signal-to-noise ratio
total harmonic distortion
input impedance
output gain
output gain accuracy
input voltage level (RMS value)
signal-to-noise ratio
total harmonic distortion
NICAM output voltage level
(RMS value)
total harmonic distortion plus
noise
digital silence level
audio silence level
output load capacitance
output load resistance
channel matching
power supply rejection ratio
SELECTED VIA
SELECTED VIA
PARAMETER
I
2
C-
I
2
C-
BUS CONTROL
BUS CONTROL
2
C-bus control)
)
)
0 dB FM attenuation
set
attenuation set
programmable in
1 dB steps
0 dB; V
notes 6 and 7
MUTE on
SILENCE on = 0
0 dB, 1 kHz
12 dB FM
CONDITIONS
ROA
27
= 2.5 V
90
90
0.94
3
0.5
80
0.5
MIN.
40
160
0 to 12
0
95
40
0
0
95
1
0
40
85
85
80
80
TYP.
Preliminary specification
+0.5
1.1
1.1
1.06
300
+0.5
0.09
70
70
75
MAX.
SAA7284
dB
k
k
dB
dB
V
dB
dB
k
dB
dB
V
dB
dB
V
dB
dB
dB
pF
k
dB
dB
UNIT