MAX9722AEUE+ Maxim Integrated Products, MAX9722AEUE+ Datasheet - Page 5
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MAX9722AEUE+
Manufacturer Part Number
MAX9722AEUE+
Description
IC AMP AUDIO .13W STER 16TSSOP
Manufacturer
Maxim Integrated Products
Series
DirectDrive™r
Type
Class ABr
Datasheet
1.MAX9722AETET.pdf
(21 pages)
Specifications of MAX9722AEUE+
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-TSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
(MAX9722A, PV
THD+N measurement bandwidth = 22Hz to 22kHz, T
0.0001
0.001
0.01
300
250
200
150
100
100
200
180
160
140
120
100
0.1
50
10
80
60
40
20
0
1
0
2.4
0
0
Stereo Headphone Amplifiers with Shutdown
TOTAL HARMONIC DISTORTION PLUS
V
A
R
DIFFERENTIAL
V
f = 1kHz
P
DD
V
L
THD+N = 1%
DD
OUT
= 16Ω
= -1V/V
10
= 5V
10
= 3V
= P
NOISE vs. OUTPUT POWER
2.9
L
vs. SUPPLY VOLTAGE
POWER DISSIPATION
+ P
DD
vs. OUTPUT POWER
20
20
OUTPUT POWER (mW)
OUTPUT POWER (mW)
5V, Differential Input, DirectDrive, 130mW
SUPPLY VOLTAGE (V)
THD+N = 10%
OUTPUT POWER
R
f = 20Hz
= SV
3.4
_______________________________________________________________________________________
30
30
R
DD
L
40
40
= 16Ω
3.9
R
= +5V, PGND = SGND = 0V, SHDN = SV
f = 1kHz
L
f = 10kHz
= 32Ω
50
50
f = 1kHz
R
4.4
L
= 32Ω
60
60
4.9
70
70
0.0001
0.001
0.01
Typical Operating Characteristics (continued)
600
500
400
300
200
100
100
100
0.1
10
90
80
70
60
50
40
30
20
10
0
1
0
-0.5
10
0
A
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. COMMON-MODE VOLTAGE
V
A
f = 1kHz
DIFFERENTIAL
V
f = 1kHz
P
= +25°C, unless otherwise noted.)
DD
V
DD
OUT
= -1V/V
= 5V
= 5V
= P
-0.3
R
20
COMMON-MODE VOLTAGE (V)
L
L
vs. LOAD RESISTANCE
POWER DISSIPATION
= 16Ω
vs. OUTPUT POWER
+ P
LOAD RESISTANCE (Ω)
OUTPUT POWER (mW)
OUTPUT POWER
R
-0.1
40
R
100
THD+N = 10%
L
R
= 16Ω
DD
L
R
= 32Ω
0.1
L
60
, C1 = C2 = 1µF, R
= 32Ω
THD+N = 1%
V
f = 1kHz
A
0.3
80
DD
V
= -1V/V
= 3V
1000
100
0.5
L
-100
200
180
160
140
120
100
-10
-20
-30
-40
-50
-60
-70
-80
-90
100
= ∞, gain = -1V/V, single-ended input,
80
60
40
20
90
80
70
60
50
40
30
20
10
0
0
0
2.4
10
10
V
A
R
V
f = 1kHz
A
POWER-SUPPLY REJECTION RATIO
DD
V
L
THD+N = 1%
THD+N = 1%
DD
V
= -1V/V
= 32Ω
= -1V/V
= 3V
= 5V
2.6
100
vs. LOAD RESISTANCE
vs. SUPPLY VOLTAGE
LOAD RESISTANCE (Ω)
SUPPLY VOLTAGE (V)
THD+N = 10%
OUTPUT POWER
OUTPUT POWER
vs. FREQUENCY
2.8
FREQUENCY (Hz)
RIGHT
100
3.0
1k
THD+N = 10%
3.2
LEFT
10k
f = 1kHz
R
L
3.4
= 16Ω
100k
1000
3.6
5