MAX9722AETE+G Maxim Integrated Products, MAX9722AETE+G Datasheet - Page 6

• 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
6
-100
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-60
-70
-80
-90
10
-1
-2
-3
-4
_______________________________________________________________________________________
4
3
2
1
0
0
0
10
10
0
OUTPUT SPECTRUM vs. FREQUENCY
V
A
R
V
A
R
POWER-SUPPLY REJECTION RATIO
RIGHT
DD
V
L
DD
V
L
GAIN FLATNESS vs. FREQUENCY
= 32Ω
= -1V/V
= 32Ω
= -1V/V
= 5V
= 5V
100
100
5
DD
vs. FREQUENCY
FREQUENCY (kHz)
FREQUENCY (Hz)
FREQUENCY (Hz)
LEFT
= SV
1k
10
1k
DD
= +5V, PGND = SGND = 0V, SHDN = SV
V
R
V
f = 1kHz
A
DD
L
OUT
V
= 32Ω
10k
= -1V/V
10k
15
= 5V
= 1mV
RMS
100k
100k
20
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
Typical Operating Characteristics (continued)
10
0
9
8
7
6
5
4
3
2
1
0
8
7
6
5
4
3
2
1
0
2.4
10
SUPPLY CURRENT vs. SUPPLY VOLTAGE
0
A
CHARGE-PUMP OUTPUT RESISTANCE
V
A
V
R
DD
V
IN
L
= +25°C, unless otherwise noted.)
= 32Ω
= -1V/V
2.8
= 200mV
= 3V
CROSSTALK vs. FREQUENCY
1
100
vs. SUPPLY VOLTAGE
3.2
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
P-P
FREQUENCY (Hz)
3.6
2
LEFT TO RIGHT
4.0
1k
3
DD
4.4
RIGHT TO LEFT
, C1 = C2 = 1µF, R
V
I
C1 = C2 = 2.2μF
NO LOAD
PVSS
IN
4
10k
4.8
= GND
= 10mA
5.2
5
100k
5.6
L
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
60
50
40
30
20
10
20
18
16
14
12
10
= ∞, gain = -1V/V, single-ended input,
0
0
8
6
4
2
0
10
10
0
OUTPUT POWER vs. LOAD RESISTANCE
V
A
V
R
C
DD
V
IN
L
1
= -1V/V
= 32Ω
= 200mV
= C
SHUTDOWN SUPPLY CURRENT
= 5V
CROSSTALK vs. FREQUENCY
1
2
C
C
C
= 2.2μF
100
vs. SUPPLY VOLTAGE
20
1
1
1
LOAD RESISTANCE (Ω)
= C
= C
= C
SUPPLY VOLTAGE (V)
P-P
FREQUENCY (Hz)
2
2
2
2
= 1μF
= 0.68μF
= 0.47μF
LEFT TO RIGHT
1k
30
RIGHT TO LEFT
3
V
f = 1kHz
A
THD+N = 1%
DD
V
4
10k
40
= -1V/V
= 3V
5
100k
50