MAX9722AETE+T Maxim Integrated Products, MAX9722AETE+T Datasheet - Page 5

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

Specifications of MAX9722AETE+T

• 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
• Product: General Purpose Audio Amplifiers
• Output Power: 130 mW
• Common Mode Rejection Ratio (min): - 70 dB
• Thd Plus Noise: 0.009 %
• Operating Supply Voltage: 2.4 V to 5.5 V
• Supply Current: 5.5 mA
• Maximum Power Dissipation: 1176 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Input Bias Current (max): 50 nA
• Input Offset Voltage: 0.5 mV
• Minimum Operating Temperature: - 40 C
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.4 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: MAX9722AETE+T; MAX9722AETE+TTR

(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