MAX9723DETE+T Maxim Integrated Products, MAX9723DETE+T Datasheet - Page 5

• Manufacturer Part Number: MAX9723DETE+T
• Description: IC AMP AUDIO .06W STER AB 16TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class ABr

Specifications of MAX9723DETE+T

• Output Type: Headphones, 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 60mW x 2 @ 16 Ohm
• Voltage - Supply: 1.8 V ~ 3.6 V
• Features: Bass Boost, Depop, I²C, Mute, Short-Circuit and Thermal Protection, Shutdown, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 16-TQFN Exposed Pad
• For Use With: MAX9723DEVKIT+ - EVALUATION KIT FOR MAX9723
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(V
nected between OUT_ and SGND where specified. Outputs in phase, both channels loaded. T
(See Functional Diagram/Typical Operating Circuit)
0.001
0.001
0.001
DD
0.01
0.01
0.01
100
0.1
0.1
0.1
10
1
1
1
= SHDN = 3V, PGND = SGND = 0V, C1 = C2 = 1µF, BB_ = 0V, gain = 0dB, maximum volume, BassMax disabled. Load con-
10
10
0
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
V
R
V
R
V
R
DD
L
DD
L
f
DD
L
IN
P
= 32Ω
= 16Ω
= 16Ω
OUT
= 3V
= 20Hz
= 3V
= 2.4V
NOISE vs. OUTPUT POWER
20
= 10mW
NOISE vs. FREQUENCY
NOISE vs. FREQUENCY
100
100
f
IN
OUTPUT POWER (mW)
= 1kHz
FREQUENCY (Hz)
FREQUENCY (Hz)
40
_______________________________________________________________________________________
P
Stereo DirectDrive Headphone Amplifier
P
P
OUT
OUT
OUT
1k
1k
with BassMax, Volume Control, and I
= 10mW
= 25mW
= 30mW
60
10k
10k
f
IN
80
= 10kHz
100k
100k
100
0.001
0.001
0.001
0.01
0.01
0.01
100
100
0.1
0.1
0.1
10
10
1
1
1
10
0
0
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
V
R
V
R
V
R
DD
L
DD
L
f
DD
L
IN
= 32Ω
= 16Ω
= 32Ω
f
= 2.4V
= 20Hz
= 3V
IN
= 2.4V
NOISE vs. OUTPUT POWER
NOISE vs. OUTPUT POWER
= 20Hz
20
NOISE vs. FREQUENCY
100
OUTPUT POWER (mW)
OUTPUT POWER (mW)
f
IN
20
f
FREQUENCY (Hz)
IN
= 1kHz
= 1kHz
40
P
OUT
1k
= 23mW
Typical Operating Characteristics
60
P
OUT
40
f
IN
= 10mW
10k
f
= 10kHz
IN
80
= 10kHz
100k
100
60
0.001
0.001
0.01
0.01
180
160
140
120
100
100
0.1
0.1
10
80
60
40
20
A
1
1
0
= +25°C, unless otherwise noted.)
10
0
0
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
V
R
V
f
P
OUTPUTS IN PHASE
V
R
IN
DD
L
DD
OUT
DD
L
f
= 32Ω
= 1kHz
= 16Ω
IN
= 2.4V
= 3V
= 2.4V
= 20Hz
= P
NOISE vs. OUTPUT POWER
NOISE vs. FREQUENCY
100
OUTL
20
POWER DISSIPATION
vs. OUTPUT POWER
OUTPUT POWER (mW)
OUTPUT POWER (mW)
f
IN
20
+ P
FREQUENCY (Hz)
= 1kHz
OUTR
P
OUT
1k
40
P
OUT
= 37mW
R
= 20mW
R
L
L
40
= 32Ω
= 16Ω
10k
f
60
IN
= 10kHz
2
100k
60
80
C
5