MAX9776ETJ+ Maxim Integrated Products, MAX9776ETJ+ Datasheet - Page 3

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

Specifications of MAX9776ETJ+

• 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
• Product: Class-D
• Output Power: 1.5 W
• Common Mode Rejection Ratio (min): 45 dB
• Thd Plus Noise: 0.04 %
• Operating Supply Voltage: 2.7 V to 5.5 V
• Supply Current: 9.5 mA
• Maximum Power Dissipation: 1360 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Amplifier Class: D
• No. Of Channels: 3
• Supply Voltage Range: 2.7V To 5.5V
• Load Impedance: 4ohm
• Operating Temperature Range: -40°C To +85°C
• Amplifier Case Style: TQFN
• Rohs Compliant: Yes
• For Use With: MAX9776EVKIT+ - EVALUATION KIT FOR MAX9776
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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
MAX
SPEAKER AMPLIFIERS
Output Offset Voltage
Click-and-Pop Level
Power-Supply Rejection Ratio
(Note 3)
Output Power (Note 4)
Current Limit
Total Harmonic Distortion Plus
Noise (Note 4)
Signal-to-Noise Ratio
Output Frequency
Efficiency
Gain
Channel-to-Channel Gain
Tracking (Note 5)
3D Sound Resistors (Note 5)
Crosstalk (Notes 4, 5)
DD
, unless otherwise noted. Typical values are at T
= PV
DD
PARAMETER
= CPV
2 x 1.5W, Stereo Class D Audio Subsystem
DD
_______________________________________________________________________________________
= 3.3V, V
with DirectDrive Headphone Amplifier
GND
= V
SYMBOL
THD+N
PSRR
P
f
SNR
V
K
R
OSC
PGND
OUT
A
OS
η
CP
3D
V
= V
T
T
P eak vol tag e,
T
A- w ei g hted , 32
sam p l es p er second
( N otes 2, 3)
T
THD+N = 1%,
T
f = 1kHz
V
R
active (Note 3)
Fixed-frequency modulation
Spread-spectrum modulation
P
driven, L = 68µH in series with 8Ω load
T
Used with 22nF and 2.2nF external
capacitors
L to R, R to L, f = 10kHz, R
V
CPGND
A
A
MIN
A
A
OUT
OUT
A
OUT
L
= + 25°C ,
A
= +25°C
= +25°C
= +25°C
= 8Ω, 3D not
= +25°C
= +25°C.) (Note 1)
≤ T
= 1.8V
= 470mW, f = 1kHz both channels
= 300mV
= 0V, SHDN = V
A
≤ T
RMS
MAX
RMS
CONDITIONS
,
Into shutdown
Out of shutdown
Into mute
Out of mute
V
f = 217Hz,
100mV
f = 1kHz,
100mV
f = 20kHz,
100mV
R
R
R
R
P
R
P
BW = 20Hz to 20kHz
A-weighted
DD
OUT
OUT
L
L
L
L
L
DD
= 4Ω, V
= 8Ω, V
= 8Ω, V
= 8Ω,
= 4Ω,
= 2.7V to 5.5V
L
, I
= 125mW
= 250mW
= 8Ω,
P-P
P-P
P-P
2
C settings (INA gain = +20dB, INB gain = INC gain =
ripple
ripple
ripple
DD
DD
DD
= 5V
= 3.3V
= 5V
MIN
48
5
LSP
1100 ± 30
1500
1115
1100
) are terminated between
±5.5
TYP
0.03
0.04
450
-62
-60
-63
-62
1.6
±1
70
68
60
50
81
84
79
12
73
7
±23.5
MAX
±40
9
A
= T
UNITS
mW
kHz
MIN
mV
dB
dB
dB
dB
kΩ
dB
%
%
%
A
to
3