MAX9776ETJ+T Maxim Integrated Products, MAX9776ETJ+T Datasheet - Page 4

• Manufacturer Part Number: MAX9776ETJ+T
• Description: IC AMP AUDIO PWR 1.5W D 32TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class Dr

Specifications of MAX9776ETJ+T

• Output Type: 1-Channel (Mono) with Stereo Headphones
• Max Output Power X Channels @ Load: 1.5W x 1 @ 4 Ohm; 60mW x 2 @ 16 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: Depop, Differential Inputs, I²C, Mute, Short-Circuit and Thermal Protection, Shutdown, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 32-TQFN Exposed Pad
• For Use With: MAX9776EVKIT+ - EVALUATION KIT FOR MAX9776
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2 x 1.5W, Stereo Class D Audio Subsystem
with DirectDrive Headphone Amplifier
ELECTRICAL CHARACTERISTICS (continued)
(V
0dB, volume setting = 0dB, mono path gain = 0dB, SHDN = 1, SSM = 1). Speaker load resistors (R
OUT_+ and OUT_-, headphone load resistors are terminated to GND, unless otherwise noted. C1 = C2 = C3 = 1µF. T
T
4
RECEIVER AMPLIFIER
Output Offset Voltage
Click-and-Pop Level
Power-Supply Rejection Ratio
(Note 3)
Output Power
Gain
Total Harmonic Distortion Plus
Noise
Signal-to-Noise Ratio
Slew Rate
Capacitive Drive
HEADPHONE AMPLIFIERS
Output Offset Voltage
Click-and-Pop Level
ESD Protection
Power-Supply Rejection Ratio
(Note 3)
MAX
DD
_______________________________________________________________________________________
, unless otherwise noted. Typical values are at T
= PV
DD
PARAMETER
= CPV
DD
= 3.3V, V
GND
SYMBOL
= V
THD+N
PSRR
PSRR
P
SNR
V
K
V
K
SR
OUT
A
C
PGND
OS
OS
CP
CP
V
L
= V
T
Peak voltage, T
+25°C, A-weighted,
32 samples per
second (Notes 3, 6)
T
T
THD+N = 1%
R
R
R
800mV
T
Peak voltage, T
+25°C, A-weighted,
32 samples per
second (Notes 2, 4)
HP_
T
CPGND
A
A
A
A
A
L
L
L
= +25°C
= +25°C
= +25°C,
= 16Ω (V
= 32Ω (V
= 16Ω, V
= +25°C
= +25°C
A
= +25°C.) (Note 1)
RMS
= 0V, SHDN = V
(Note 3)
OUT
OUT
OUT
CONDITIONS
A
A
=
= 800mV
= 800mV
=
=
BW = 20Hz to 20kHz
A-weighted
Into shutdown
Into mute
Out of shutdown
Out of mute
V
f = 217Hz,
100mV
f = 1kHz,
100mV
f = 20kHz,
100mV
R
R
Into shutdown
Into mute
Out of shutdown
Out of mute
Contact
Air
V
f = 217Hz,
100mV
f = 1kHz,
100mV
f = 20kHz,
100mV
DD
L
L
DD
RMS
RMS
DD
= 16Ω
= 32Ω
, I
= 2.7V to 5.5V
= 2.7V to 5.5V
2
, f = 1kHz)
, f = 1kHz)
P-P
P-P
P-P
C settings (INA gain = +20dB, INB gain = INC gain =
P-P
P-P
P-P
ripple
ripple
ripple
ripple
ripple
ripple
MIN
58
58
LSP
0.024
±1.8
±1.8
TYP
0.03
) are terminated between
300
-62
-67
-63
-66
-61
-65
-60
-64
0.3
±4
±8
80
80
70
62
60
50
87
89
80
80
70
62
3
MAX
±5.5
±5.5
A
= T
UNITS
V/µs
mW
mV
mV
dB
dB
dB
dB
dB
dB
MIN
pF
kV
%
to