MAX9766ETJ+T Maxim Integrated Products, MAX9766ETJ+T Datasheet - Page 11

• Manufacturer Part Number: MAX9766ETJ+T
• Description: IC AMP AUDIO .75W MONO AB 32TQFN
• Manufacturer: Maxim Integrated Products
• Type: Class ABr

Specifications of MAX9766ETJ+T

• Output Type: 1-Channel (Mono) with Stereo Headphones
• Max Output Power X Channels @ Load: 750mW x 1 @ 4 Ohm; 65mW x 2 @ 16 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: Depop, I²C, Input Multiplexer, Microphone, Mute, Short-Circuit and Thermal Protection, Shutdown
• Mounting Type: Surface Mount
• Package / Case: 32-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(V
-100
140
120
100
100
-10
-20
-30
-40
-50
-60
-70
-80
-90
80
60
40
20
80
60
40
20
DD
0
0
0
-40
10
1
OUTPUT POWER vs. LOAD RESISTANCE
= PV
vs. FREQUENCY (HEADPHONE MODE)
OUTPUT POWER vs. TEMPERATURE
f = 1kHz
R
V
POWER-SUPPLY REJECTION RATIO
THD+N = 10%
L
THD+N = 1%
DD
= 16Ω
= 3V
750mW Audio Amplifiers with Headphone Amp,
DD
-15
100
10
(HEADPHONE MODE)
(HEADPHONE MODE)
LOAD RESISTANCE (Ω)
= 5V, BW = 22Hz to 22kHz, T
TEMPERATURE (°C)
FREQUENCY (Hz)
10
100
THD+ N = 10%
1k
______________________________________________________________________________________
THD+N = 1%
35
10k
1k
60
V
CC
= 3V
100k
10k
85
Microphone Preamp, and Input Mux
A
= +25°C, unless otherwise noted.)
500mV/div
100mV/div
HP JACK
OUT_+
2V/div
140
120
100
SHDN
Typical Operating Characteristics (continued)
80
60
40
20
60
50
40
30
20
10
0
0
POWER DISSIPATION vs. OUTPUT POWER
-40
0
ENTERING SHUTDOWN (HEADPHONE MODE)
V
f = 1kHz
OUTPUT POWER vs. TEMPERATURE
f = 1kHz
R
R
INPUT AC-COUPLED TO GND
DD
THD+N = 10%
THD+N = 1%
L
L
= 32Ω
= 16Ω
= 5V
-15
25
(HEADPHONE MODE)
(HEADPHONE MODE)
OUTPUT POWER (mW)
TEMPERATURE (°C)
R
R
L
L
10
= 16Ω
= 32Ω
200ms/div
50
35
75
60
MAX9765 toc51
100
85
500mV/div
100mV/div
HP JACK
OUT_+
2V/div
SHDN
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
60
50
40
30
20
10
0
0
POWER DISSIPATION vs. OUTPUT POWER
EXITING SHUTDOWN (HEADPHONE MODE)
10
0
R
INPUT AC-COUPLED TO GND
V
f = 1kHz
vs. FREQUENCY (HEADPHONE MODE)
L
V
DD
POWER-SUPPLY REJECTION RATIO
DD
= 16Ω
= 3V
= 5V
15
100
(HEADPHONE MODE)
R
OUTPUT POWER (mW)
L
FREQUENCY (Hz)
= 32Ω
R
L
30
= 16Ω
200ms/div
1k
45
10k
60
MAX9765 toc52
11
100k
75