MAX9766ETJ+ Maxim Integrated Products, MAX9766ETJ+ Datasheet - Page 13

• 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

500mV/div
(V
1V/div
0.001
OUT
0.01
DD
0.1
IN
1
TOTAL HARMONIC DISTORTION PLUS NOISE
= PV
DIFFERENTIAL MICROPHONE AMPLIFIER
10
vs. FREQUENCY (SINGLE-ENDED INPUT)
A
f
LARGE-SIGNAL TRANSIENT RESPONSE
IN
V
V
= 4dB
= 1kHz
DD
V
OUT
750mW Audio Amplifiers with Headphone Amp,
DD
= 3V
= 176mV
100
= 5V, BW = 22Hz to 22kHz, T
FREQUENCY (Hz)
RMS
-100
-120
200µs/div
-20
-40
-60
-80
V
______________________________________________________________________________________
0
OUT
1k
10
vs. FREQUENCY (SINGLE-ENDED INPUT)
= 265mV
POWER-SUPPLY REJECTION RATIO
10k
100
RMS
MAX9765 toc62
FREQUENCY (Hz)
V
DD
100k
V
1k
= 5V
DD
Microphone Preamp, and Input Mux
= 3V
A
1V/div
1V/div
= +25°C, unless otherwise noted.)
0.001
OUT
0.01
100
vs. OUTPUT AMPLITUDE (SINGLE-ENDED INPUT)
0.1
10
10k
IN
1
TOTAL HARMONIC DISTORTION PLUS NOISE
Typical Operating Characteristics (continued)
DIFFERENTIAL MICROPHONE AMPLIFIER
0
A
f
IN
V
V
DD
= 4dB
= 1kHz
= 5V
f = 10kHz
100k
OVERDRIVEN OUTPUT
0.5
OUTPUT VOLTAGE (V
200µs/div
1.0
f = 100Hz
RMS
1.5
)
f = 1kHz
MAX9765 toc63
600
500
400
300
200
100
0
2.0
10
A
V
= 40dB
MICROPHONE AMPLIFIER)
INPUT-REFERRED NOISE
(SINGLE-ENDED INPUT
100
0.001
0.001
0.01
0.01
100
vs. OUTPUT AMPLITUDE (SINGLE-ENDED INPUT)
0.1
0.1
10
1
1
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
10
0
vs. FREQUENCY (SINGLE-ENDED INPUT)
V
V
DD
DD
1k
V
= 3V
= 5V
OUT
f = 1kHz
100
0.5
= 176mV
OUTPUT VOLTAGE (V
10k
FREQUENCY (Hz)
RMS
V
OUT
1.0
1k
= 265mV
100k
f = 100Hz
RMS
f = 10kHz
RMS
1.5
10k
)
100k
2.0
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