Manual

MAX5556–MAX5559
Low-Cost Stereo Audio DACs
_______________________________________________________________________________________ 5
(V
DD
= +5V, GND = 0V, R
OUT_
= 10kΩ, C
OUT_
= 10pF, T
A
= +25°C, unless otherwise noted.)
Typical Operating Characteristics
-0.25
-0.15
-0.20
-0.05
-0.10
0.05
0
0.10
0.20
0.15
0.25
0 0.1 0.2 0.3 0.4 0.5
PASSBAND RIPPLE
MAX5556 toc04
FREQUENCY (NORMALIZED TO f
S
)
AMPLITUDE (dB)
-100
-110
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-130
-120
-140
0 2 4 6 8 101214161820
FREQUENCY (kHz)
AMPLITUDE (dBr)
0dBFS FFT
MAX5556 toc05
16,000-SAMPLE FFT USING 1kHz INPUT
-100
-110
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-130
-120
-140
0 2 4 6 8 101214161820
FREQUENCY (kHz)
AMPLITUDE (dBr)
-60dBFS FFT
MAX5556 toc06
16,000-SAMPLE FFT USING 1kHz INPUT
-100
-80
-90
-60
-70
-40
-50
-30
-10
-20
0
0 0.2 0.3 0.40.1 0.5 0.6 0.7 0.90.8 1.0
STOPBAND REJECTION
MAX5556 toc01
FREQUENCY (NORMALIZED TO f
S
)
AMPLITUDE (dB)
-100
-80
-90
-60
-70
-40
-50
-30
-10
-20
0
0.40 0.44 0.48 0.52 0.56 0.60
TRANSITION BAND
MAX5556 toc02
FREQUENCY (NORMALIZED TO f
S
)
AMPLITUDE (dB)
-10
-7
-8
-9
-6
-5
-4
-3
-2
-1
0
0.40 0.440.42 0.46 0.48 0.50 0.52
TRANSITION BAND DETAIL
MAX5556 toc03
FREQUENCY (NORMALIZED TO f
S
)
AMPLITUDE (dB)
-100
-110
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-130
-120
-140
0 2 4 6 8 101214161820
FREQUENCY (kHz)
AMPLITUDE (dBr)
IDLE-CHANNEL NOISE FFT
MAX5556 toc07
16,000-SAMPLE FFT WITH NO INPUT
-100
-110
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-130
-120
-140
0 2 4 6 8 101214161820
FREQUENCY (kHz)
AMPLITUDE (dBr)
TWIN-TONE IMD FFT
MAX5556 toc08
16,000-SAMPLE FFT
WITH 13kHz AND
14kHz INPUT SIGNALS
-110
-100
-80
-90
-70
-60
-60 -40-50 -30 -20 -10 0
THD+N vs. AMPLITUDE
MAX5556 toc09
AMPLITUDE (dBFS)
THD+N (dBr)
UNWEIGHTED
A-WEIGHTED
INPUT = 1kHz 18-BIT SIGNAL
INTEGRATION BANDWIDTH = 20Hz TO 20kHz