max9708etntd Maxim Integrated Products, Inc., max9708etntd Datasheet - Page 5

• Manufacturer Part Number: max9708etntd
• Description: Max9708 20w/40w, Filterless, Spread-spectrum, Mono/stereo, Class D Amplifier
• Manufacturer: Maxim Integrated Products, Inc.

(PV
= low, MUTE = high, G1 = low, G2 = high, FS1 = FS2 = high (SSM), SYNCIN = low. All load resistors (R
OUT_-, T
0.01
100
DD
100
0.1
10
90
80
70
60
50
40
30
20
10
1
TOTAL HARMONIC DISTORTION PLUS NOISE
= V
0
0
A
PV
STEREO MODE, 1kHz
DD
EFFICIENCY vs. OUTPUT POWER
= +25°C, unless otherwise stated.)
DD
OUTPUT POWER PER CHANNEL (W)
OUTPUT POWER PER CHANNEL (W)
5
= 18V, 8Ω
5
= +18V, PGND = GND = 0V, C
vs. OUTPUT POWER
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
10
10
10
_______________________________________________________________________________________
SHDN = 0
15
15
SHUTDOWN SUPPLY CURRENT
12
20W/40W, Filterless, Spread-Spectrum,
vs. SUPPLY VOLTAGE
PV
STEREO MODE
20
20
SUPPLY VOLTAGE (V)
DD
14
= 18V, 8Ω
25
25
16
30
30
18
SS
20
Mono/Stereo, Class D Amplifier
= 0.47µF, C
0.01
100
0.1
10
30
25
20
15
10
5
0
1
TOTAL HARMONIC DISTORTION PLUS NOISE
22
10
0
R
STEREO MODE
PV
STEREO MODE,
f
IN
L
DD
= 8Ω
= 1kHz
OUTPUT POWER PER CHANNEL (W)
= 12V,
REG
vs. SUPPLY VOLTAGE
12
vs. OUTPUT POWER
SUPPLY VOLTAGE (V)
OUTPUT POWER
5
= 0.01µF, C1 = 0.1µF, C2 = 1µF, R
R
L
= 8Ω
10% THD+N
14
Typical Operating Characteristics
R
L
= 4Ω
10
1% THD+N
16
0.01
100
0.1
10
1
TOTAL HARMONIC DISTORTION PLUS NOISE
15
18
0
PV
1kHz
DD
10
= 18V, 4Ω MONO MODE,
0.01
vs. OUTPUT POWER
0.1
24
22
20
18
16
14
12
10
1
OUTPUT POWER (W)
TOTAL HARMONIC DISTORTION PLUS NOISE
20
10
10
LOAD
PV
8Ω STEREO MODE,
P
CHANNEL
T
OUT
STEREO MODE
A
DD
30
= +85°C
NO-LOAD SUPPLY CURRENT
12
= 8.3W PER
L
= 18V,
) are between OUT_+ and
100
= ∞, SHDN = high, MONO
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
40
vs. FREQUENCY
14
FREQUENCY (Hz)
T
A
= -40°C
T
A
50
= +25°C
1k
16
60
18
10k
20
100k
22
5