MAX9741ETN+TD Maxim Integrated Products, MAX9741ETN+TD Datasheet - Page 6

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

Specifications of MAX9741ETN+TD

• 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.)
6
-100
-120
DD
-20
-40
-60
-80
0.01
0.1
0
10
_______________________________________________________________________________________
1
= 18V, R
100k
0
TOTAL HARMONIC DISTORTION PLUS
R
L
= 4Ω
WIDEBAND OUTPUT SPECTRUM
WITH FERRITE BEAD FILTER
NOISE vs. OUTPUT POWER
L
= 8Ω, f
V
OUTPUT POWER (W)
1M
V
V
DD
5
FREQUENCY (Hz)
DD
DD
(SSM MODE)
= 24V
= 18V
= 12V
IN
= 1kHz, 33µH with 4Ω, 68µH with 8Ω, part in SSM mode, 136µH with 16Ω, measurement BW = 22Hz to
10M
10
RBW = 10kHz
100M
15
OUTPUT
5V/div
1V/div
SHDN
Typical Operating Characteristics (continued)
10
35
30
25
20
15
5
0
10
f = 1kHz
C
SS
TURN-ON/TURN-OFF RESPONSE
= 180pF
13
vs. SUPPLY VOLTAGE
SUPPLY CURRENT
SUPPLY VOLTAGE (V)
16
20ms/div
19
22
MAX9741 toc17
25
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.01
0.1
10
0
1
10
0
V
R
DD
L
PLUS NOISE vs. OUTPUT POWER
= 8Ω
TOTAL HARMONIC DISTORTION
SHUTDOWN SUPPLY CURRENT
= 12V
WITH FERRITE BEAD FILTER
12
vs. SUPPLY VOLTAGE
5
SUPPLY VOLTAGE (V)
OUTPUT POWER (W)
V
14
DD
= 18V
10
16
V
DD
15
18
= 24V
20
20