MAX9750CETI+ Maxim Integrated Products, MAX9750CETI+ Datasheet - Page 6

• 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
(Measurement BW = 22Hz to 22kHz, T
6
0.0001
0.001
0.001
0.001
0.01
0.01
0.01
0.1
100
100
_______________________________________________________________________________________
10
0.1
0.1
10
10
1
1
1
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
10
0
0
vs. OUTPUT POWER (SPEAKER MODE)
vs. OUTPUT POWER (SPEAKER MODE)
V
R
A
V
A
R
V
R
A
MAX9750C
vs. FREQUENCY (SPEAKER MODE)
CC
L
V
DD
V
L
CC
L
V
= 3Ω
= 10.5dB
= 4Ω
= 13.5dB
f = 1kHz
= 3Ω
= 10.5dB
0.5
= 5V
f
= 5V
0.5
IN
OUTPUT POWER = 1.5W
= 5V
OUTPUT POWER = 500mW
= 20Hz
100
f = 20Hz
1.0
OUTPUT POWER (W)
OUTPUT POWER (W)
f
1.0
IN
FREQUENCY (Hz)
= 10kHz
f = 10kHz
1.5
1.5
1k
f
IN
= 1kHz
2.0
2.0
10k
2.5
2.5
A
3.0
100k
3.0
= +25°C, unless otherwise noted.)
0.0001
0.001
0.001
0.01
0.001
0.01
0.1
0.01
100
10
100
0.1
0.1
10
1
10
1
1
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
10
0
0
vs. OUTPUT POWER (SPEAKER MODE)
vs. OUTPUT POWER (SPEAKER MODE)
V
R
A
V
R
A
MAX9750C
V
A
R
vs. FREQUENCY (SPEAKER MODE)
CC
L
V
f = 1kHz
DD
V
L
CC
L
V
= 4Ω
= 10.5dB
= 3Ω
0.5
= 8Ω
= 10.5dB
= 13.5dB
= 5V
0.2
= 5V
f
= 5V
OUTPUT POWER = 1.25W
IN
OUTPUT POWER = 500mW
f = 20Hz
f
= 20Hz
IN
100
1.0
= 10kHz
OUTPUT POWER (W)
OUTPUT POWER (W)
0.4
FREQUENCY (Hz)
f = 10kHz
1.5
0.6
1k
f
IN
2.0
= 1kHz
Typical Operating Characteristics
0.8
2.5
10k
3.0
1.0
3.5
1.2
100k
0.0001
0.001
0.001
0.001
0.01
0.01
0.01
0.1
100
100
10
0.1
0.1
10
10
1
1
1
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
10
0
0
vs. OUTPUT POWER (SPEAKER MODE)
vs. OUTPUT POWER (SPEAKER MODE)
V
R
A
V
A
R
V
R
A
MAX9750C
vs. FREQUENCY (SPEAKER MODE)
CC
L
V
DD
V
L
CC
L
V
= 8Ω
= 10.5dB
= 13.5dB
= 8Ω
OUTPUT POWER = 600mW
= 4Ω
= 10.5dB
f = 1kHz
OUTPUT POWER = 100mW
= 5V
= 5V
= 5V
0.5
100
f
f = 20Hz
IN
f
IN
0.5
= 20Hz
OUTPUT POWER (W)
OUTPUT POWER (W)
= 10kHz
FREQUENCY (Hz)
f = 10kHz
1.0
1k
f
IN
1.0
= 1kHz
10k
1.5
1.5
2.0
100k