MAX9741ETN+D Maxim Integrated Products, MAX9741ETN+D Datasheet - Page 3

IC AMP AUDIO PWR 12W STER 56TQFN

MAX9741ETN+D

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

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
ELECTRICAL CHARACTERISTICS (continued)
(V
GND (f
Typical values are at T
Note 2: All devices are 100% production tested at +25°C. All temperature limits are guaranteed by design.
Note 3: PSRR is specified with the amplifier inputs connected to GND through C
Note 4: Testing performed with a resistive load in series with an inductor to simulate an actual speaker load. For R
Note 5: Output power measured at T
Continuous Output Power
(Notes 4, 5)
Total Harmonic Distortion Plus
Noise
Signal-to-Noise Ratio
Crosstalk
Oscillator Frequency
Efficiency (Note 4)
Regulator Output
DIGITAL INPUTS (SHDN, FS_, G_)
Input Thresholds
Input Leakage Current
DD
= 18V, GND = PGND = 0V, SHDN ≥ V
S
For R
= 670kHz), R
PARAMETER
L
= 12Ω, L = 100µH. For R
_______________________________________________________________________________________
L
A
connected between OUTL+ and OUTL- and OUTR+ and OUTR-, T
= +25°C.) (Notes 1, 2)
12W+12W, Low-EMI, Spread-Spectrum,
SYMBOL
THD+N
P
V
f
A
SNR
CONT
OSC
REG
η
= +25°C, with a soak time of 15 minutes.
L
= 16Ω, L = 120µH.
IH
, A
V
10%, f = 1kHz
V
10%, f = 1kHz
V
10%, f = 1kHz
f
P
R
P
f = 1kHz
BW = 22Hz to 22kHz
Left to right, right to left, 8Ω load, f
FS1 = L, FS2 = L
FS1 = L, FS2 = H
FS1 = H, FS2 = L
FS1 = H, FS2 = H (spread-spectrum mode)
V
V
V
V
IN
DD
DD
DD
OUT
L
OUT
DD
DD
IH
IL
V
= 1kHz, either FFM or SSM, R
= 8Ω,
= 16dB, C
= 18V, THD+N =
= 24V, THD+N =
= 12V, THD+N =
= 12V, R
= 18V, R
= 4W
= 4W,
L
L
SS
= 8Ω, P
= 8Ω, P
CONDITIONS
Stereo, Class D Amplifier
= C
IN
OUT
OUT
Unweighted
A-weighted
= 0.47µF, C
R
R
R
R
R
R
L
L
L
L
L
L
= 10W
= 8W
= 8Ω
= 4Ω
= 8Ω
= 4Ω
= 8Ω
= 4Ω
L
IN
= 8Ω,
IN
REG
.
= 10kHz
FFM
SSM
FFM
SSM
= 0.01µF, C1 = 100nF, C2 = 1µF, FS1 = FS2 =
A
= T
MIN
MIN
560
2.5
to T
MAX
±7%
TYP
95.8
91.8
99.1
95.7
670
930
470
670
, unless otherwise noted.
6.5
8.5
0.1
12
11
65
78
78
5
8
6
L
= 8Ω, L = 68µH.
MAX
800
0.8
±1
UNITS
kHz
dB
dB
µA
W
%
%
V
V
3

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