MAX9766ETJ+ Maxim Integrated Products, MAX9766ETJ+ Datasheet - Page 14

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

Specifications of MAX9766ETJ+

• 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

750mW Audio Amplifiers with Headphone Amp,
Microphone Preamp, and Input Mux
(V
14
DD
______________________________________________________________________________________
= PV
DD
100mV/div
= 5V, BW = 22Hz to 22kHz, T
50mV/div
1V/div
1V/div
OUT
OUT
IN
10
IN
8
6
4
2
0
SINGLE-ENDED MICROPHONE AMPLIFIER
SINGLE-ENDED MICROPHONE AMPLIFIER
2.7
SUPPLY CURRENT vs. SUPPLY VOLTAGE
A
f
SMALL-SIGNAL TRANSIENT RESPONSE
A
f
IN
IN
V
V
= 1kHz
= 10dB
= 1kHz
= 10dB
T
A
= +85°C
OVERDRIVEN OUTPUT
3.4
(HEADPHONE MODE)
SUPPLY VOLTAGE (V)
200µs/div
200µs/div
T
4.1
A
= +25°C
T
A
A
= -40°C
= +25°C, unless otherwise noted.)
4.8
MAX9765 toc70
MAX9765 toc72
Typical Operating Characteristics (continued)
5.5
500mV/div
1V/div
OUT
20
16
12
30
25
20
15
10
IN
8
4
0
5
0
2.7
2.7
SINGLE-ENDED MICROPHONE AMPLIFIER
SUPPLY CURRENT vs. SUPPLY VOLTAGE
A
f
LARGE-SIGNAL TRANSIENT RESPONSE
IN
V
= 10dB
= 1kHz
SHUTDOWN SUPPLY CURRENT
T
T
A
A
3.4
3.4
vs. SUPPLY VOLTAGE
= +25°C
= +85°C
(SPEAKER MODE)
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
200µs/div
4.1
T
4.1
T
A
A
T
= +85°C
A
= -40°C
= +25°C
T
A
= -40°C
4.8
4.8
MAX9765 toc71
5.5
5.5