Datasheet

MAX9736
Mono/Stereo High-Power Class D Amplifier
4 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
PVDD
= 20V, V
VS
= 5V, V
AGND
= V
PGND
= 0V, V
MOD
= V
SHDN
= V
MUTE
= 5V, REGEN = MONO = AGND, C1 = 0.1μF, C2 = 1μF,
R
IN
_ = 20kΩ and R
FB_
= 20kΩ, R
L
= ∞, AC measurement bandwidth 22Hz to 22kHz, T
A
= T
MIN
to T
MAX
, unless otherwise noted.
Typical values are at T
A
= +25°C.) (Notes 4, 5)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Stereo R
L
= 8Ω 8.5
V
P V D D
= 12V
Mono R
L
= 4Ω 17
Stereo R
L
= 8Ω 5.5
V
P V D D
= 18V
Mono R
L
= 4Ω 11
Stereo R
L
= 8Ω 3.5
MAX9736D Output Power
(Thermally Limited)
V
P V D D
= 24V
Mono R
L
= 4Ω 7
W
MAX9736A, P
OUT
= 4W, f = 1kHz,
PWM modulation mode, R
L
= 8Ω
0.04
Total Harmonic Distortion Plus
Noise
THD+N
MAX9736B/D, P
OUT
= 2W, f = 1kHz,
PWM modulation mode, R
L
= 8Ω
0.04
%
MAX9736A/D,
P
OUT
= 8W, R
L
= 8Ω
96.5
Signal-to-Noise Ratio SNR A-weighted
MAX9736B, P
OUT
= 6W,
R
L
= 8Ω
97
dB
MAX9736A/D 120
Noise V
N
A-weighted
(Note 9)
MAX9736B 100
μV
RMS
Crosstalk L to R, R to L, P
OU T
= 1W , f = 1kH z, R
L
= 8Ω 100 dB
Efficiency η P
OU T
= 8W, M AX 9736A, P V D D = 12V , R
L
= 8Ω 88 %
Into mute 36
Click-and-Pop Level K
CP
Peak voltage, 32
samples/second,
A-weighted
(Notes 9 and 10)
Out of mute 36
dBV
Switching Frequency 270 300 330 kHz
Spread-Spectrum Bandwidth ±4 kHz
Thermal Shutdown Level 160 °C
Thermal Shutdown Hysteresis 30 °C
Turn-On Time t
ON
110 ms