Philips Semiconductors
Dual top-performance bitstream DAC
Product specification
TDA1547
SYMBOL
PARAMETER
IIH
input current HIGH
Ci
clock input capacitance
fCLK
clock input frequency
Channel left/right inputs
VIL
input voltage LOW
VIH
input voltage HIGH
IIL
input current LOW
IIH
input current HIGH
Ci
channel input capacitance; pins 3, 30
Vref
reference input voltage; pins 8, 25
Audio outputs
VOUT(RMS)
output voltage (RMS value);
pins 14, 19; pins 15, 18
(THD + N)/S
THD + Noise; 0 dB
(THD + N)/S
THD + Noise; 0 dB
(THD + N)/S
(THD + N)/S
S/N
S/N
α
Timing
tr
tf
tCLK L
tCLK H
tr
tf
tHD
tSU
THD + Noise; −20 dB
THD + Noise; −60 dB
signal-to-noise ratio
signal-to-noise ratio; “A”-weighting
channel separation
rise time clock input
fall time clock input
clock input LOW time
clock input HIGH time
channel input rise time
channel input fall time
channel input hold time
channel input set-up time
CONDITIONS
Vi = 4.5 V
MIN
−10
−
−
TYP
−
5
−
MAX
10
−
10
UNIT
µA
pF
MHz
Vi = 0.5 V
Vi = 4.5 V
note 2
−
−
0.5
V
−
4.5
-
V
−10
−
10
µA
−10
−
10
µA
−
5
−
pF
−
−4 ±0.4 −
V
notes 2 and 3 0.85
f = 1 kHz;
−
notes 3 and 4 −
20 Hz - 20 kHz; −
notes 3 and 5 −
f = 1 kHz;
−
notes 3 and 4
f = 1 kHz;
−
notes 3 and 4
pattern 0101; 109
notes 3 and 7
pattern 0101; −
notes 3 and 7
f = 1 kHz
101
1.0
1.15 V
−101 −96
dB
0.0009 0.0016 %
−101 −
dB
0.0009 −
%
−88
−84
dB
−48
−44
dB
111
−
dB
113
−
dB
115
−
dB
CL = 20 pF
−
5
10
ns
CL = 20 pF
−
5
10
ns
45
−
−
ns
45
−
−
ns
CL = 20 pF
−
10
15
ns
CL = 20 pF
−
10
15
ns
25
−
−
ns
0
−
−
ns
September 1991
10