MAX9723BETE+T Maxim Integrated Products, MAX9723BETE+T Datasheet - Page 6

• Manufacturer Part Number: MAX9723BETE+T
• Description: IC AMP AUDIO .06W STER AB 16TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class ABr

Specifications of MAX9723BETE+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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Stereo DirectDrive Headphone Amplifier
with BassMax, Volume Control, and I
(V
nected between OUT_ and SGND where specified. Outputs in phase, both channels loaded. T
(See Functional Diagram/Typical Operating Circuit)
6
DD
_______________________________________________________________________________________
= SHDN = 3V, PGND = SGND = 0V, C1 = C2 = 1µF, BB_ = 0V, gain = 0dB, maximum volume, BassMax disabled. Load con-
100
90
80
70
60
50
40
30
20
10
300
250
200
150
100
140
120
100
0
50
80
60
40
20
0
0
10
1.8
0
THD+N = 1%
V
f
P
OUTPUTS IN PHASE
IN
DD
OUT
2.0
= 1kHz
THD+N = 10%
= 3V
20
= P
vs. LOAD RESISTANCE
2.2 2.4 2.6
OUTL
vs. SUPPLY VOLTAGE
POWER DISSIPATION
LOAD RESISTANCE (Ω)
vs. OUTPUT POWER
OUTPUT POWER
OUTPUT POWER (mW)
SUPPLY VOLTAGE (V)
OUTPUT POWER
40
+ P
OUTR
THD+N = 10%
100
60
2.8 3.0
THD+N = 1%
80
R
L
R
= 16Ω
V
f
IN
f
R
L
DD
IN
3.2
L
= 32Ω
= 1kHz
Typical Operating Characteristics (continued)
100
= 1kHz
= 32Ω
= 3V
3.4
1k
120
3.6
-100
100
-10
-20
-30
-40
-50
-60
-70
-80
-90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
0
1.8
10
10
R
V
f
IN
POWER-SUPPLY REJECTION RATIO
THD+N = 10%
L
DD
THD+N = 1%
2.0
= 32Ω
= 1kHz
= 2.4V
2.2 2.4 2.6
vs. LOAD RESISTANCE
100
vs. SUPPLY VOLTAGE
LOAD RESISTANCE (Ω)
SUPPLY VOLTAGE (V)
OUTPUT POWER
OUTPUT POWER
vs. FREQUENCY
FREQUENCY (Hz)
A
THD+N = 10%
= +25°C, unless otherwise noted.)
100
1k
2.8 3.0
2
THD+N = 1%
10k
C
f
R
IN
3.2
L
= 1kHz
= 16Ω
3.4
100k
3.6
1k