MAX9755ETI+ Maxim Integrated Products, MAX9755ETI+ Datasheet - Page 10
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MAX9755ETI+
Manufacturer Part Number
MAX9755ETI+
Description
IC AMP AUDIO PWR 2.6W AB 28TQFN
Manufacturer
Maxim Integrated Products
Series
DirectDrive™r
Type
Class ABr
Datasheet
1.MAX9750AEUI.pdf
(30 pages)
Specifications of MAX9755ETI+
Output Type
2-Channel (Stereo) with Stereo Headphones
Max Output Power X Channels @ Load
2.6W x 2 @ 3 Ohm; 110mW x 2 @ 16 Ohm
Voltage - Supply
4.5 V ~ 5.5 V
Features
Depop, Short-Circuit and Thermal Protection, Shutdown
Mounting Type
Surface Mount
Package / Case
28-TQFN Exposed Pad
Case
QFN
Dc
05+
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
2.6W Stereo Audio Power Amplifiers and
DirectDrive Headphone Amplifiers
10
(Measurement BW = 22Hz to 22kHz, T
______________________________________________________________________________________
HPOUT_
SHDN
-100
-120
-140
-20
-40
-60
-80
0
0
R
HEADPHONE OUTPUT SPECTRUM
L
= 32Ω
TURN-OFF RESPONSE
(HEADPHONE MODE)
5
FREQUENCY (Hz)
10ms/div
10
A
= +25°C, unless otherwise noted.)
V
f = 1kHz
V
R
DD
OUT
L
15
= 32Ω
MAX9750/51 toc34
= 5V
0.35
0.30
0.25
0.20
0.15
0.10
0.05
= -60dB
Typical Operating Characteristics (continued)
0
4.50
20
SHUTDOWN SUPPLY CURRENT
5V/div
20mV/div
4.75
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
5.00
HPOUT_
SHDN
5.25
10
18
16
14
12
8
6
4
2
0
4.50
HPS = GND
R
L
5.50
= 32Ω
4.75
vs. SUPPLY VOLTAGE
TURN-ON RESPONSE
(HEADPHONE MODE)
SUPPLY CURRENT
SUPPLY VOLTAGE (V)
10ms/div
5.00
HPS = V
DD
5.25
MAX9750/51 toc33
5.50
5V/div
20mV/div