MAX9758ETJ+T Maxim Integrated Products, MAX9758ETJ+T Datasheet - Page 9

• Manufacturer Part Number: MAX9758ETJ+T
• Description: IC AMP AUDIO PWR 2.3W AB 32TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class ABr

Specifications of MAX9758ETJ+T

• Output Type: 2-Channel (Stereo) with Stereo Headphones
• Max Output Power X Channels @ Load: 2.3W x 2 @ 3 Ohm; 130mW 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: 32-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(V
1µF, C
22kHz, T
600
500
400
300
200
100
Headphone Amplifiers with Automatic Level Control
0
DD
TURN-ON RESPONSE (HEADPHONE MODE)
4.5
= PV
PVSS
A
4.7
DD
= +25°C, unless otherwise noted.)
SHUTDOWN CURRENT
vs. SUPPLY VOLTAGE
2.3W Stereo Speaker Amplifiers and DirectDrive
= 1µF, C1 = C2 = 1µF, PREF = unconnected, GAIN1 = 1, GAIN2 = GAIN3 = VOL = 0V, measurement BW = 22Hz to
(SLOW ATTACK AND SLOW RELEASE)
SUPPLY VOLTAGE (V)
POWER LIMITING OF SINE BURST
= HPV
4.9
10ms/div
DD
_______________________________________________________________________________________
5.1
= CPV
2s/div
5.3
DD
MAX9756 toc28
= IN = +5.0V, GND = PGND = CPGND = 0V, SHDN = V
5.5
MAX9756 toc33
SHDN
5V/div
HPR
10mV/div
HPL
10mV/div
OUTPUT
2V/div
CT
1V/div
TURN-OFF RESPONSE (HEADPHONE MODE)
(FAST ATTACK AND FAST RELEASE)
Typical Operating Characteristics (continued)
POWER LIMITING OF SINE BURST
10ms/div
10ms/div
MAX9756 toc32
MAX9756 toc29
CT
1V/div
OUTPUT
2V/div
SHDN
5V/div
HPR
10mV/div
HPL
10mV/div
-0.5
-1.0
-1.5
-2.0
2.0
1.5
1.0
0.5
0
0
LDO OUTPUT VOLTAGE ACCURACY
DD
25
, REGEN = DR = SET = GND, C
20
17
14
11
8
5
4.5
vs. LOAD CURRENT
LOAD CURRENT (mA)
(FAST ATTACK AND SLOW RELEASE)
50
POWER LIMITING OF SINE BURST
4.7
vs. SUPPLY VOLTAGE
75
SUPPLY CURRENT
SUPPLY VOLTAGE (V)
HPS = GND
HPS = V
4.9
100
40ms/div
DD
125
5.1
150
5.3
MAX9756 toc33
BIAS
5.5
OUTPUT
2V/div
CT
1V/div
=
9