MAX9753ETI+T Maxim Integrated Products, MAX9753ETI+T Datasheet - Page 3
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MAX9753ETI+T
Manufacturer Part Number
MAX9753ETI+T
Description
IC AMP AUDIO PWR 2.2W D 28TQFN
Manufacturer
Maxim Integrated Products
Series
DirectDrive™r
Type
Class Dr
Datasheet
1.MAX9753ETI.pdf
(29 pages)
Specifications of MAX9753ETI+T
Output Type
2-Channel (Stereo) with Stereo Headphones
Max Output Power X Channels @ Load
2.2W x 2 @ 4 Ohm; 62mW x 2 @ 16 Ohm
Voltage - Supply
4.5 V ~ 5.5 V
Features
Depop, Input Multiplexer, 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
C
MAX9752: GAIN1 = GAIN2 = 0, V
noted. Typical values are at T
Speaker Amplifier Gain (Note 4)
Output Power
Total Harmonic Distortion Plus
Noise
Signal-to-Noise Ratio
Click-and-Pop Level (Note 5)
Capacitive-Load Drive
Switching Frequency
Crosstalk
Off-Isolation
Efficiency
CPVSS
DD
2.2W, Low-EMI, Stereo, Class D Power Amplifiers
= PV
= 1µF, C1 = 1µF, speaker impedance = 8Ω connected between OUT_+ and OUT_-, headphone load is terminated to GND;
PARAMETER
DD
= HPV
_______________________________________________________________________________________
DD
= CPV
A
with DirectDrive Headphone Amplifiers
= +25°C.) (Notes 1, 2)
VOL
DD
SYMBOL
= 0V; MAX9753: GAIN = 0, V
P
= +5.0V, GND = PGND = HPGND = 0V, V
THD+N
C
A
OUT_SP
SNR
L_MAX
K
f
V_SP
SW
CP
η
MAX9752A
MAX9752B
MAX9752C
MAX9753/MAX9754
f = 1kHz, THD+N
= 1%, T
R
f = 1kHz, THD+N
= 1%, T
R
f = 1kHz, P
P
BW = 22Hz to 22kHz
Into shutdown
Out of shutdown
Differential
Channel to channel, f = 10kHz, P
MAX9753, unselected input to any active
input, f = 10kHz
R
OUT
L
L
L
= 8Ω
= 4Ω
= 8Ω, P
= 1W, f = 1kHz,
A
A
= +25°C,
= +25°C,
OUT
OUT
CONDITIONS
= 1W, f = 1kHz
= 1W
A/B
= 0V; MAX9754: GAIN = 0; T
GAIN2 = 0, GAIN1 = 0
GAIN2 = 0, GAIN1 = 1
GAIN2 = 1, GAIN1 = 0
GAIN2 = 1, GAIN1 = 1
GAIN2 = 0, GAIN1 = 0
GAIN2 = 0, GAIN1 = 1
GAIN2 = 1, GAIN1 = 0
GAIN2 = 1, GAIN1 = 1
GAIN2 = 0, GAIN1 = 0
GAIN2 = 0, GAIN1 = 1
GAIN2 = 1, GAIN1 = 0
GAIN2 = 1, GAIN1 = 1
GAIN = 1
GAIN = 0
MAX9752A,
MAX9752B, MAX9753,
MAX9754
MAX9752C
MAX9752A,
MAX9752B, MAX9753,
MAX9754
MAX9752C
R
R
Unweighted
A-weighted
L
L
= 8Ω
= 4Ω
OUT
SHDN
= 1W
= V
1000
DD
MIN
A
, CPV
= T
MIN
0.023
1200
SS
TYP
10.5
12.0
13.5
15.0
16.5
18.0
19.5
10.5
10.5
0.03
200
-47
-34
9.0
6.0
7.5
9.0
9.0
1.3
0.8
2.2
1.7
to T
90
91
70
70
85
= V
MAX
SS
, unless otherwise
MAX
1400
, C
BIAS
UNITS
= 1µF,
dBV
kHz
dB
dB
pF
dB
dB
W
%
%
3