MAX9750CETI+T Maxim Integrated Products, MAX9750CETI+T Datasheet - Page 8

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

Specifications of MAX9750CETI+T

• 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
(Measurement BW = 22Hz to 22kHz, T
8
0.0001
0.001
0.001
1000
0.01
0.01
100
0.1
0.1
10
10
_______________________________________________________________________________________
1
1
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
10
0
vs. FREQUENCY (HEADPHONE MODE)
V
R
A
V
R
A
DD
L
V
DD
L
V
= 16Ω
= 3dB
= 32Ω
= 3dB
= 5V
25
= 5V
- OUT_-
OUTPUT POWER = 10mW
100
OUT_+
OUT_+
OUT_-
SHDN
AND
OUTPUT POWER (mW)
OUTPUT POWER = 45mW
50
FREQUENCY (Hz)
75
1k
R
L
= 8Ω
100
TURN-OFF RESPONSE
(SPEAKER MODE)
10k
125
20ms/div
A
100k
150
= +25°C, unless otherwise noted.)
0.0001
MAX9750/51 toc17
0.001
0.001
1000
0.01
0.01
100
0.1
Typical Operating Characteristics (continued)
0.1
10
10
1
1
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
10
vs. OUTPUT POWER (HEADPHONE MODE)
0
vs. FREQUENCY (HEADPHONE MODE)
V
R
A
V
R
A
DD
L
V
DD
L
V
5V/div
2V/div
20mV/div
= 32Ω
= 3dB
= 16Ω
= 3dB
= 5V
= 3.3V
20
OUTPUT POWER = 10mW
100
OUTPUT POWER (mW)
OUTPUT POWER = 30mW
FREQUENCY (Hz)
40
1k
60
10k
0.0001
0.001
0.01
80
0.1
10
1
TOTAL HARMONIC DISTORTION PLUS NOISE
10
100k
vs. FREQUENCY (HEADPHONE MODE)
100
V
R
A
DD
L
V
= 16Ω
= 3dB
= 5V
OUTPUT POWER = 30mW
100
0.0001
0.001
0.001
1000
0.01
100
OUTPUT POWER = 90mW
0.01
0.1
0.1
10
10
1
FREQUENCY (Hz)
1
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
10
0
vs. FREQUENCY (HEADPHONE MODE)
V
R
A
1k
DD
L
V
V
R
A
DD
L
V
= 16Ω
= 3dB
= 32Ω
= 3dB
= 3.3V
10
= 3.3V
OUTPUT POWER = 10mW
100
OUTPUT POWER (mW)
10k
OUTPUT POWER = 45mW
20
FREQUENCY (Hz)
30
1k
100k
40
10k
50
100k
60