MAX9752AETI+T Maxim Integrated Products, MAX9752AETI+T Datasheet - Page 7

• Manufacturer Part Number: MAX9752AETI+T
• Description: IC AMP AUDIO PWR 2.2W D 28TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class Dr

Specifications of MAX9752AETI+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, Short-Circuit and Thermal Protection, Shutdown, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(V
C
MAX9752: GAIN1 = GAIN2 = 0, V
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;
(1kHz, 2V
DD
(NO AUDIO)
= HPV
SHDN
OUT
OUT
P-P
2.0
1.5
1.0
0.5
5
4
3
2
1
0
)
0
_______________________________________________________________________________________
POWER DISSIPATION vs. OUTPUT POWER
1
0
OUTPUT POWER vs. LOAD RESISTANCE
DD
THD+N = 1%
= CPV
TURN-ON RESPONSE
with DirectDrive Headphone Amplifiers
1
LOAD RESISTANCE (Ω)
(SPEAKER MODE)
(SPEAKER MODE)
(SPEAKER MODE)
R
OUTPUT POWER (W)
VOL
THD+N = 10%
L
= 4Ω
DD
4ms/div
= 0V; MAX9753: GAIN = 0, V
10
= 5.0V, GND = PGND = HPGND = 0V, V
2
R
L
= 8Ω
MAX9752/53/54 toc14
3
Typical Operating Characteristics (continued)
100
4
5V/div
100mV/div
500mV/div
A/B
= 0V; MAX9754: GAIN = 0; T
(1kHz, 2V
(NO AUDIO)
SHDN
OUT
OUT
P-P
100
90
80
70
60
50
40
30
20
10
)
4
3
2
1
0
0
1
0
OUTPUT POWER vs. LOAD RESISTANCE
R
THD+N = 1%
L
EFFICIENCY vs. OUTPUT POWER
= 8Ω||68μH
SHDN
TURN-OFF RESPONSE
R
LOAD RESISTANCE (Ω)
(SPEAKER MODE)
(SPEAKER MODE)
L
OUTPUT POWER (W)
= 4Ω||33μH
2
= V
2ms/div
DD
10
THD+N = 10%
A
= +25°C, unless otherwise noted.)
, CPV
4
MAX9752/53/54 toc15
SS
= V
100
6
SS
5V/div
100mV/div
500mV/div
, C
BIAS
= 1µF,
7