MAX9722AETE+G Maxim Integrated Products, MAX9722AETE+G Datasheet - Page 4

• Manufacturer Part Number: MAX9722AETE+G
• Description: IC AMP AUDIO .13W STER AB 16TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class ABr

Specifications of MAX9722AETE+G

• Output Type: Headphones, 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 130mW x 2 @ 32 Ohm
• Voltage - Supply: 2.4 V ~ 5.5 V
• Features: Depop, Differential Inputs, Short-Circuit and Thermal Protection, Shutdown
• Mounting Type: Surface Mount
• Package / Case: 16-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: MAX9722AETE+G47; MAX9722AETE+G47

5V, Differential Input, DirectDrive, 130mW
Stereo Headphone Amplifiers with Shutdown
(MAX9722A, PV
THD+N measurement bandwidth = 22Hz to 22kHz, T
4
0.0001
0.0001
0.0001
0.001
0.001
0.001
0.01
0.01
0.01
100
100
_______________________________________________________________________________________
0.1
0.1
0.1
10
10
10
1
1
1
10
0
0
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
V
A
R
DD
V
L
P
= 16Ω
= -2V/V
OUT
10
10
= 5V
f = 1kHz
NOISE vs. OUTPUT POWER
NOISE vs. OUTPUT POWER
= 20mW
NOISE vs. FREQUENCY
100
DD
20
20
OUTPUT POWER (mW)
OUTPUT POWER (mW)
f = 20Hz
P
FREQUENCY (Hz)
f = 1kHz
= SV
OUT
f = 20Hz
30
30
P
= 40mW
OUT
1k
DD
f = 10kHz
= 5mW
40
40
= +5V, PGND = SGND = 0V, SHDN = SV
50
50
10k
V
A
R
V
A
R
f = 10kHz
DD
V
L
DD
V
L
= 16Ω
= 16Ω
= -1V/V
= -2V/V
60
60
= 5V
= 3V
100k
70
70
0.0001
0.0001
0.0001
0.001
0.001
0.001
0.01
0.01
0.01
100
100
0.1
0.1
0.1
Typical Operating Characteristics (continued)
10
10
10
1
1
1
10
0
0
A
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
V
A
R
DD
V
L
= +25°C, unless otherwise noted.)
P
10
= -1V/V
= 32Ω
OUT
20
= 5V
f = 1kHz
NOISE vs. OUTPUT POWER
NOISE vs. OUTPUT POWER
= 20mW
NOISE vs. FREQUENCY
100
20
40
OUTPUT POWER (mW)
OUTPUT POWER (mW)
FREQUENCY (Hz)
30
P
f = 20Hz
OUT
60
P
OUT
f = 20Hz
1k
40
= 80mW
DD
80
= 5mW
f = 1kHz
50
, C1 = C2 = 1µF, R
f = 10kHz
100
10k
60
f = 10kHz
V
A
R
V
A
R
DD
V
L
DD
V
L
= 32Ω
= -1V/V
= -1V/V
= 32Ω
120
= 3V
= 5V
70
100k
140
80
0.0001
0.0001
0.0001
0.001
0.001
0.001
L
0.01
0.01
0.01
100
100
0.1
0.1
0.1
10
10
10
= ∞, gain = -1V/V, single-ended input,
1
1
1
10
0
0
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
V
A
R
DD
V
L
P
= -2V/V
= 32Ω
OUT
10
20
= 5V
NOISE vs. OUTPUT POWER
NOISE vs. OUTPUT POWER
= 20mW
NOISE vs. FREQUENCY
100
20
40
OUTPUT POWER (mW)
OUTPUT POWER (mW)
f = 20Hz
FREQUENCY (Hz)
P
OUT
30
60
P
OUT
f = 20Hz
= 80mW
1k
f = 1kHz
f = 10kHz
40
= 5mW
80
f = 1kHz
f = 10kHz
100
50
10k
V
A
R
V
A
R
DD
V
L
DD
V
L
= -1V/V
= 16Ω
= -2V/V
= 32Ω
120
60
= 5V
= 5V
100k
140
70