MAX9741ETN+D Maxim Integrated Products, MAX9741ETN+D Datasheet - Page 4

• Manufacturer Part Number: MAX9741ETN+D
• Description: IC AMP AUDIO PWR 12W STER 56TQFN
• Manufacturer: Maxim Integrated Products
• Type: Class Dr

Specifications of MAX9741ETN+D

• Output Type: 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 12W x 2 @ 8 Ohm
• Voltage - Supply: 10 V ~ 25 V
• Features: Depop, Differential Inputs, Mute, Short-Circuit and Thermal Protection, Shutdown
• Mounting Type: Surface Mount
• Package / Case: 56-TQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

12W+12W, Low-EMI, Spread-Spectrum,
Stereo, Class D Amplifier
(V
22kHz, unless otherwise noted.)
4
DD
0.01
_______________________________________________________________________________________
0.01
0.1
0.1
10
20
18
16
14
12
10
10
= 18V, R
1
8
6
4
2
0
1
10
10
0
OUTPUT POWER vs. SUPPLY VOLTAGE
R
P
V
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
L
DD
OUT
= 8Ω
= 12V
= 8W
NOISE vs. OUTPUT POWER
R
13
L
L
NOISE vs. FREQUENCY
100
= 8Ω
5
= 8Ω, f
SUPPLY VOLTAGE (V)
OUTPUT POWER (W)
SSM
FREQUENCY (Hz)
16
FFM
V
DD
IN
1k
10
= 18V
= 1kHz, 33µH with 4Ω, 68µH with 8Ω, part in SSM mode, 136µH with 16Ω, measurement BW = 22Hz to
19
R
L
= 16Ω
V
10k
DD
15
22
= 24V
100k
20
25
0.01
0.01
0.1
10
20
18
16
14
12
10
0.1
10
1
8
6
4
2
0
1
0
0
1
OUTPUT POWER vs. LOAD RESISTANCE
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
R
L
= 4Ω
f = 100Hz
NOISE vs. OUTPUT POWER
NOISE vs. OUTPUT POWER
5
V
LOAD RESISTANCE (Ω)
OUTPUT POWER (W)
DD
V
OUTPUT POWER (W)
THD+N = 1%
DD
5
= 12V
f = 1kHz
= 18V
10
10
THD+N = 10%
Typical Operating Characteristics
10
15
V
f = 10kHz
DD
= 24V
100
15
20
0.01
-10
-20
-30
-40
-50
-60
-70
-80
0.1
10
100
1
90
80
70
60
50
40
30
20
10
0
0
10
10
0
TOTAL HARMONIC DISTORTION PLUS
COMMON-MODE REJECTION RATIO
EFFICIENCY vs. OUTPUT POWER
NOISE vs. FREQUENCY
100
100
4
P
V
OUT
V
vs. FREQUENCY
DD
OUTPUT POWER (W)
P
DD
FREQUENCY (Hz)
FREQUENCY (Hz)
OUT
= 8W
= 12V
= 18V
= 500mW
1k
1k
8
V
DD
10k
10k
12
= 24V
R
L
= 8Ω
100k
100k
16