Rainbow Electronics MAX9704 - Manual (Page 6)

MAX9703/MAX9704
15W, Filterless, Spread-Spectrum
Mono/Stereo Class D Amplifiers
6 _______________________________________________________________________________________
OUTPUT FREQUENCY SPECTRUM
MAX9703/04 toc19
FREQUENCY (kHz)
OUTPUT MAGNITUDE (dB)
-120
-100
-80
-60
-40
-20
0
20
-140
18 16 12 14 4 6 8 10 2 0 20
SSM MODE
A
V
= 16dB
A-WEIGHTED
f
IN = 1kHz
P OUT = 5W
R L = 8Ω
100k 1M 10M 100M
WIDEBAND OUTPUT SPECTRUM
(FFM MODE)
MAX9703/04 toc20
FREQUENCY (Hz)
OUTPUT AMPLITUDE (dBV)
0
-120
-100
-80
-60
-40
-20
RBW = 10kHz
V
DD = 15V
100k 1M 10M 100M
WIDEBAND OUTPUT SPECTRUM
(SSM MODE)
MAX9703/04 toc21
FREQUENCY (Hz)
OUTPUT AMPLITUDE (dBV)
0
-120
-100
-80
-60
-40
-20
RBW = 10kHz
V
DD
= 15V
TURN-ON/TURN-OFF RESPONSE
MAX9703/04 toc22
20ms/div
OUTPUT
1V/div
5V/div SHDN
f = 1kHz
R
L = 8Ω
C
SS
= 180pF
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX9703/04 toc23
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
22 19 16 13
10
5
15
20
25
30
35
0
10 25
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX97703/04 toc24
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (
µ
A)
18 16 14 12
0.10
0.05
0.15
0.20
0.25
0.30
0.35
0
10 20
Typical Operating Characteristics (continued)
(33µH with 4Ω, 68µH with 8Ω, part in SSM mode, 136µH with 16Ω, measurement BW = 22Hz to 22kHz, unless otherwise noted.)