MAX9750CETI+ Maxim Integrated Products, MAX9750CETI+ Datasheet - Page 10

• Manufacturer Part Number: MAX9750CETI+
• Description: IC AMP AUDIO PWR 2.6W AB 28TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class ABr

Specifications of MAX9750CETI+

• Output Type: 2-Channel (Stereo) with Stereo Headphones
• Max Output Power X Channels @ Load: 2.2W 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, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN Exposed Pad
• 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