MAX9763ETI+T Maxim Integrated Products, MAX9763ETI+T Datasheet - Page 10

• Manufacturer Part Number: MAX9763ETI+T
• Description: IC AMP AUDIO PWR 3W MONO 28TQFN
• Manufacturer: Maxim Integrated Products
• Type: Class ABr

Specifications of MAX9763ETI+T

• Output Type: 1-Channel (Mono) with Stereo Headphones
• Max Output Power X Channels @ Load: 3W x 1 @ 3 Ohm; 200mW x 2 @ 16 Ohm
• Voltage - Supply: 4.5 V ~ 5.5 V
• Features: Depop, Input Multiplexer, Mute, Shutdown, Thermal Protection,
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Stereo 3W Audio Power Amplifiers with
Headphone Drive and Input Mux
10
(V
DD
______________________________________________________________________________________
= PV
DD
= 5V, T
HP JACK
OUT_+
V
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
DD
12
10
A
8
6
4
2
0
0
4.50
POWER DISSIPATION vs. OUTPUT POWER
= +25°C, unless otherwise noted.)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
0
R
INPUT AC-COUPLED TO GND
L
= 16Ω
T
A
T
A
= +85°C
0.25
= -40°C
ENTERING POWER-DOWN
4.75
(HEADPHONE MODE)
(HEADPHONE MODE)
(SPEAKER MODE)
SUPPLY VOLTAGE (V)
0.50
OUTPUT POWER (W)
100ms/div
5.00
0.75
1.00
T
A
5.25
= +25°C
Typical Operating Characteristics (continued)
R
f = 1kHz
MAX9760 toc41
1.25
L
= 8Ω
5.50
1.50
2V/div
1V/div
200mV/div
AND OUT_-
- OUT_-
OUT_+
OUT_+
V
20
15
10
25
20
15
10
DD
5
0
5
0
4.50
4.50
SUPPLY CURRENT vs. SUPPLY VOLTAGE
R
INPUT AC-COUPLED TO GND
L
= 8Ω
SHUTDOWN SUPPLY CURRENT
4.75
EXITING POWER-DOWN
4.75
vs. SUPPLY VOLTAGE
T
SUPPLY VOLTAGE (V)
(SPEAKER MODE)
(SPEAKER MODE)
SUPPLY VOLTAGE (V)
A
T
= +85°C
A
= +25°C
100ms/div
T
A
5.00
5.00
T
= +85°C
A
= -40°C
T
A
= -40°C
T
5.25
5.25
A
= +25°C
MAX9760 toc46
5.50
5.50
2V/div
1V/div
200mV/div