MAX9753ETI+T Maxim Integrated Products, MAX9753ETI+T Datasheet - Page 4
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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
2.2W, Low-EMI, Stereo, Class D Power Amplifiers
with DirectDrive Headphone Amplifiers
ELECTRICAL CHARACTERISTICS (continued)
(V
C
MAX9752: GAIN1 = GAIN2 = 0, V
noted. Typical values are at T
4
HEADPHONE AMPLIFIER (HPS = V
Output Offset Voltage
Maximum Headphone Amplifier
Gain (Note 6)
Power-Supply Rejection Ratio
(Note 3)
Output Power
Total Harmonic Distortion Plus
Noise
Signal-to-Noise Ratio
Click-and-Pop Level (Note 7)
Capacitive-Load Drive
Crosstalk
Off-Isolation
Slew Rate
Output Impedance
CHARGE PUMP
Charge-Pump Frequency
VOLUME CONTROL (MAX9752 Only)
VOL Input Impedance
VOL Input Hysteresis
Full Mute Input Voltage
Full Mute Attenuation
CPVSS
DD
_______________________________________________________________________________________
= PV
= 1µF, C1 = 1µF, speaker impedance = 8Ω connected between OUT_+ and OUT_-, headphone load is terminated to GND;
PARAMETER
DD
= HPV
DD
= CPV
A
= +25°C.) (Notes 1, 2)
VOL
DD
V
SYMBOL
HYST
= 0V; MAX9753: GAIN = 0, V
DD
P
A
VOL_MUTE
= +5.0V, GND = PGND = HPGND = 0V, V
THD+N
C
A
OUT_HP
PSRR
V_MUTE
R
SNR
L_MAX
V
K
)
V_HP
f
SR
VOL
CP
OS
CP
VOL
T
T
MAX9752,
GAIN1 = don’t care
MAX9753/MAX9754
HPV
f = 1kHz, V
f = 10kHz, V
THD+N = 1%, f
1kHz, T
f
R
P
f
BW = 22Hz to 22kHz
Into shutdown
Out of shutdown
No sustained oscillations
f = 10kHz, P
MAX9753, unselected input to any active
input, f = 10kHz
HPS = GND (disabled)
V
f
IN
IN
IN
A
A
OUT
VOL
L
= +25°C
= T
= 1kHz
= 32Ω,
= 1kHz,
= 1kHz
DD
falling
= 31mW,
MIN
A
or V
= +25°C
to T
RIPPLE
DD
RIPPLE
OUT
MAX
CONDITIONS
= 3V to 5.5V, T
IN
A/B
= 62mW, R
=
= 100mV
= 100mV
= 0V; MAX9754: GAIN = 0; T
GAIN2 = 0
GAIN2 = 1
GAIN = 1
GAIN = 0
R
R
R
P
R
P
Unweighted
A-weighted
P-P
L
L
L
OUT
L
OUT
L
P-P
= 32Ω
= 16Ω
= 32Ω,
= 16Ω,
= 16Ω
A
= +25°C
= 31mW
= 62mW
SHDN
= V
DD
MIN
540
66
A
, CPV
= T
MIN
0.858 x
0.005
0.005
SS
±0.5
TYP
V
101
300
600
100
-33
-37
-85
0.8
to T
73
80
60
31
62
95
60
60
50
DD
0
3
0
3
1
= V
MAX
SS
, unless otherwise
MAX
±3.5
660
, C
±8
BIAS
UNITS
= 1µF,
dBV
V/µs
mW
kHz
MΩ
mV
mV
dB
dB
dB
pF
dB
dB
kΩ
dB
%
V