Manual

MAX5556–MAX5559
Low-Cost Stereo Audio DACs
6 ________________________________________________________________________________________
(V
DD
= +5V, GND = 0V, R
OUT_
= 10kΩ, C
OUT_
= 10pF, T
A
= +25°C, unless otherwise noted.)
Typical Operating Characteristics (continued)
-110
-100
-90
-80
-70
-60
0810462 1214161820
UNWEIGHTED THD+N
vs. FREQUENCY
MAX5556 toc10
FREQUENCY (kHz)
THD+N (dBr)
INPUT = 1kHz 18-BIT SIGNAL,
INTEGRATION BANDWIDTH = 20Hz TO 20kHz
0
20
10
40
30
60
50
70
02010 30 40 50
POWER DISSIPATION
vs. SAMPLE FREQUENCY
MAX5556 toc11
SAMPLE FREQUENCY (kHz)
POWER DISSIPATION (mW)
V
DD
= +5V
INPUT = 1kHz, 0dBFS SIGNAL
5
8
7
6
9
10
11
12
13
14
15
4.75 5.054.90 5.20 5.35 5.50
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX5556 toc12
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
INPUT = 1kHz, 0dBFS SIGNAL
NORMAL OPERATION
STATIC DIGITAL INPUT
MUTE OPERATION
5
7
6
10
9
8
11
12
14
13
15
0 1.0 1.50.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY CURRENT
vs. DIGITAL INPUT VOLTAGE (V
DIG
)
MAX5556 toc13
DIGITAL INPUT VOLTAGE (V
DIG
) (V)
SUPPLY CURRENT (mA)
V
IH
V
DIG
< V
IH
MUTE
ENGAGED
V
DD
= +5.5V
DC OUTPUT
V
DIG
< V
IH
NORMAL OPERATION
5ms/div
CLOCK-LOSS MUTE RECOVERY
V
OUT
1V/div
2.4V
MAX5556 toc14
CLOCK
RESTORED
LOSS
OF CLOCK
100ms/div
POWER-UP RESPONSE
V
OUT
1V/div
0V
MAX5556 toc15