MAX9791AETI+T Maxim Integrated Products, MAX9791AETI+T Datasheet - Page 3

• Manufacturer Part Number: MAX9791AETI+T
• Description: IC AMP AUDIO 2.2W STER D 28TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class Dr

Specifications of MAX9791AETI+T

• Output Type: 2-Channel (Stereo) with Stereo Headphones and Subwoofer
• Max Output Power X Channels @ Load: 2.2W x 2 @ 4 Ohm; 180mW x 2 @ 32 Ohm
• Voltage - Supply: 4.5 V ~ 5.5 V
• Features: Depop, LDO, Short-Circuit and Thermal Protection, Shutdown
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V
C1 = C2 = 1µF. R
C
Shutdown to Full Operation
Overtemperature Threshold
SPEAKER AMPLIFIER
Output Power
Total Harmonic Distortion Plus
Noise
Power-Supply Rejection Ratio
Feedback Impedance
Gain
Output Offset Voltage
Click-and-Pop Level
Signal-to-Noise Ratio
Noise
Crosstalk
Amplifiers with DirectDrive Headphone Amplifiers
IN2
AVDD
= C
= V
COM
PARAMETER
PVDD
= 1µF, T
= V
L
Windows Vista-Compliant Class D Speaker
= ∞, unless otherwise specified. R
_______________________________________________________________________________________
HPVDD
A
= T
MIN
= 5V, V
to T
MAX
GND
SYMBOL
THD+N
R
, unless otherwise noted. Typical values are at T
PSRR
P
SNR
V
K
t
FSKR
A
V
OUT
ON
OS
CP
= V
N
V
PGND
THD+N = 1%,
f = 1kHz,
T
(Note 5)
THD+N = 10%,
f = 1kHz,
T
(Note 5)
R
R
V
f = 217Hz, 200mV
f = 1kHz, 200mV
f = 10kHz, 200mV
Guaranteed by design
R
Measured between OUT_+ and OUT_-,
T
R
peak voltage,
A-weighted,
32 samples per second
(Notes 5, 6, and 7)
R
P
(Note 5)
A-weighted
L to R, R to L, R
100mV
L to R, R to L, R
100mV
HP to SPKR, R
R
A
A
A
AVDD
OUT
L
L
IN1
L
L
LHP
= V
= +25°C
= +25°C
= 8 , P
= 4 , P
= +25°C
= 8 ,
= 8
= 20k
CPGND
= 1.2W f
= 32 , f
IN1
RMS
RMS
= V
= 20kΩ (A
PVDD
, f
, f
OUT
OUT
IN
IN
= 0, I
IN
IN
LSPKR
CONDITIONS
= 1kHz (Note 5)
= 15kHz (Note 5)
= 500mW, f = 1kHz (Note 5)
= 500mW, f = 1kHz (Note 5)
L
L
= 2.7V to 5.5V, T
= 1kHz (Note 5)
= 1kHz,
P-P
= 8 , V
= 8 , V
R
(MAX9791)
R
(MAX9791)
R
(MAX9792)
R
(MAX9791)
R
(MAX9791)
R
(MAX9792)
P-P
P-P
LDO_OUT
L
L
L
L
L
L
VSPKR
= 4
= 8
= 3
= 4
= 8
= 3
= 8 , P
IN
IN
= -20dBFS =
= -20dBFS =
= 12dB), R
Into shutdown
Out of
shutdown
A-weighted
20Hz to 20kHz
= 0, C
HP
= 20mW,
A
= +25°C
LDO
A
IN2
= +25°C.) (Note 3)
= 2µF (C
= 40.2kΩ (A
MIN
60
LDO
= 4µF for 1.8V LDO option),
VHP
+150
-52.4
TYP
0.04
0.03
0.4
1.7
1.2
2.2
1.5
3.7
-54
±3
80
73
75
62
20
12
98
94
38
78
70
77
3
= 0dB), C
MAX
±10
IN1
= 470nF,
UNITS
µV
dBV
mV
ms
k
dB
dB
dB
dB
°C
W
%
RMS
3