MAX9766ETJ+ Maxim Integrated Products, MAX9766ETJ+ Datasheet - Page 14
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MAX9766ETJ+
Manufacturer Part Number
MAX9766ETJ+
Description
IC AMP AUDIO .75W MONO AB 32TQFN
Manufacturer
Maxim Integrated Products
Type
Class ABr
Datasheet
1.MAX9766ETJ.pdf
(33 pages)
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