SAA7712 Philips Semiconductors, SAA7712 Datasheet - Page 32

• Manufacturer Part Number: SAA7712
• Description: Sound effects DSP
• Manufacturer: Philips Semiconductors

Philips Semiconductors
13 ANALOG OUTPUTS CHARACTERISTICS
T
1999 Aug 05
V
Z
V
V
I
I
PSRR
I
RES
(THD + N)/S total harmonic
DR
DS
V
d
f
B
C
R
amb
pu(POML)
pu(POMH)
o(sc)
s(max)
VREFDA
SYMBOL
VREFDA
o(rms)
O(AV)
ct
n(o)(rms)
DAC
L(DAC)
L(DAC)
Sound effects DSP
I
o(max)
DAC
DAC
= 25 C; V
DAC
DAC
voltage on pin VREFDA
impedance on pin VREFDA
AC output voltage of operational
amplifiers (RMS value)
average DC output voltage of
operational amplifiers
low pull-up current to V
pin POM
high pull-up current to V
pin POM
power supply ripple rejection DACs
(input via I
maximum deviation in output level
(plus or minus) of the 4 DAC
current outputs
crosstalk between all outputs in
the audio band
output short-circuit current
DAC resolution
distortion-plus-noise to signal ratio
dynamic range of DAC
digital silence of DAC
digital silence noise level at output
(RMS value)
intermodulation
distortion/comparator
maximum sample frequency
bandwidth DAC
load capacitance on DAC outputs
load resistance on DAC voltage
outputs
DDA2
= 3.3 V; unless otherwise specified.
PARAMETER
2
S-bus)
DDA2
DDA2
on
on
with respect to V
with respect to V
with respect to V
maximum I
R
R
voltage on pin POM < 0.6 V
voltage on pin POM > 0.8 V
f
(peak value); C
with respect to the average of
the 4 outputs; full-scale output
one output digital silence, other
three maximum volume
output short-circuited to ground
f = 1 kHz;
V
A-weighted
V
f = 1 kHz; 60 dB; A-weighted
f = 20 Hz
V
A-weighted
A-weighted
f = 60 Hz and 7 kHz, ratio 4 : 1
at 3 dB
DC decoupled
ripple
o(ref)
o(ref)
o(ref)
L
L
> 5 k
> 5 k
= 1 kHz; V
= 0.72 V (RMS);
= 0.72 V (RMS);
= 0.72 V (RMS);
32
CONDITIONS
2
17 kHz;
S-bus signal;
VREFDA
ripple
DDA2
DDA2
SSA2
= 100 mV
= 22 F
V
SSA2
47
0.62
1.5
3.3
50
45
90
48
5
MIN.
50
37
37
0.7
1.65
60
96
3
1
Preliminary specification
TYP.
75
107
70
2
18
f
s
SAA7712H
53
0.82
1.8
5
75
0.38
20
8
2.5
MAX.
69
60
102
55
%
k
k
V
V
dB
dB
dB
mA
bits
dBA
dBA
dBA
dB
kHz
kHz
nF
k
UNIT
A
A
V