MAX9787ETI+T Maxim Integrated Products, MAX9787ETI+T Datasheet - Page 4

• Manufacturer Part Number: MAX9787ETI+T
• Description: IC AMP AUDIO PWR 2.2W AB 28TQFN
• Manufacturer: Maxim Integrated Products
• Type: Class ABr

Specifications of MAX9787ETI+T

• Output Type: 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 2.2W x 2 @ 3 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

2.2W Stereo Audio Power Amplifier
with Analog Volume Control
(Measurement BW = 22Hz to 22kHz, T
4
0.0001
0.001
0.001
0.01
0.01
100
_______________________________________________________________________________________
0.1
0.1
10
10
1
1
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
0
10
V
R
A
V
R
A
CC
L
V
CC
L
V
= 3Ω
= 10.5dB
= 3Ω
= 10.5dB
0.5
f
= 5V
IN
= 5V
OUTPUT POWER = 1.5W
OUTPUT POWER = 500mW
= 20Hz
100
3.0
2.5
2.0
1.5
1.0
0.5
vs. OUTPUT POWER
0
1.0
OUTPUT POWER (W)
f
vs. FREQUENCY
IN
FREQUENCY (Hz)
= 10kHz
1
1.5
1k
f
THD+N = 1%
IN
= 1kHz
vs. LOAD RESISTANCE
2.0
LOAD RESISTANCE (Ω)
OUTPUT POWER
10k
2.5
THD+N = 10%
10
A
3.0
100k
= +25°C, unless otherwise noted.)
V
f = 1kHz
A
CC
V
= 10.5dB
0.0001
= 5V
0.001
0.001
0.01
0.01
0.1
100
10
0.1
10
1
1
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
10
100
0
V
R
A
V
R
A
CC
L
V
CC
L
V
= 4Ω
= 10.5dB
= 4Ω
= 10.5dB
= 5V
= 5V
OUTPUT POWER = 1.25W
OUTPUT POWER = 500mW
100
0.5
f
IN
f
vs. OUTPUT POWER
IN
= 20Hz
OUTPUT POWER (W)
vs. FREQUENCY
= 10kHz
FREQUENCY (Hz)
1.0
1k
f
IN
Typical Operating Characteristics
= 1kHz
10k
1.5
5
4
3
2
1
0
POWER DISSIPATION vs. OUTPUT POWER
0
V
f = 1kHz
P
DD
OUT
0.5
100k
2.0
= 5V
= P
1.0
OUTL
OUTPUT POWER (W)
+ P
0.0001
R
1.5
0.001
0.001
L
0.01
0.01
OUTR
100
0.1
0.1
= 8Ω
10
10
1
1
TOTAL HARMONIC DISTORTION PLUS NOISE
2.0
TOTAL HARMONIC DISTORTION PLUS NOISE
R
10
0
L
= 4Ω
V
R
A
V
R
A
CC
L
V
2.5
CC
L
V
= 8Ω
= 8Ω
= 10.5dB
OUTPUT POWER = 600mW
= 10.5dB
OUTPUT POWER = 100mW
0.2
= 5V
f
= 5V
IN
f
3.0
IN
= 20Hz
100
vs. OUTPUT POWER
= 10kHz
OUTPUT POWER (W)
0.4
vs. FREQUENCY
3.5
FREQUENCY (Hz)
4.0
0.6
f
1k
IN
= 1kHz
0.8
10k
1.0
1.2
100k