MAX9718AETB+T Maxim Integrated Products, MAX9718AETB+T Datasheet - Page 5

• Manufacturer Part Number: MAX9718AETB+T
• Description: IC AMP AUDIO PWR 1.4W AB 10TDFN
• Manufacturer: Maxim Integrated Products
• Type: Class ABr

Specifications of MAX9718AETB+T

• Output Type: 1-Channel (Mono)
• Max Output Power X Channels @ Load: 1.4W x 1 @ 4 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: Depop, Differential Inputs, Shutdown, Thermal Protection
• Mounting Type: Surface Mount
• Package / Case: 10-TDFN Exposed Pad
• Product: General Purpose Audio Amplifiers
• Output Power: 1.4 W
• Common Mode Rejection Ratio (min): - 60 dB
• Thd Plus Noise: 0.002 %
• Supply Current: 5 mA
• Maximum Power Dissipation: 1951 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Audio Load Resistance: 4 Ohms
• Minimum Operating Temperature: - 40 C
• Amplifier Class: AB
• No. Of Channels: 1
• Supply Voltage Range: 2.7V To 5.5V
• Load Impedance: 4ohm
• Operating Temperature Range: -40°C To +85°C
• Amplifier Case Style: TDFN
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: MAX9718AETB+T; MAX9718AETB+TTR

(V
0.0001
0.0001
0.001
0.001
0.001
CC
0.01
0.01
0.01
100
0.1
0.1
0.1
10
10
10
1
1
1
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
= 5V, C
10
10
0
V
R
A
V
R
A
V
R
A
CC
L
V
CC
L
V
CC
L
V
= 8Ω
= 8Ω
= 4Ω
= 4
= 4
= 2
= 5V
= 5V
= 3V
BIAS
OUTPUT POWER = 200mW
OUTPUT POWER = 250mW
100
100
0.5
OUTPUT POWER = 100mW
f
vs. OUTPUT POWER
IN
OUTPUT POWER = 800mW
OUTPUT POWER (W)
= 100Hz
vs. FREQUENCY
vs. FREQUENCY
= 0.1μF, THD+N measurement bandwidth = 22Hz to 22kHz, T
FREQUENCY (Hz)
FREQUENCY (Hz)
1.4W Differential Audio Power Amplifiers
_______________________________________________________________________________________
f
IN
1.0
1k
1k
= 1kHz
1.5
10k
10k
f
IN
= 10kHz
100k
100k
2.0
0.0001
0.0001
0.001
0.001
0.001
0.01
0.01
0.01
Typical Operating Characteristics (continued)
100
0.1
0.1
0.1
10
10
10
1
1
1
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
10
10
0
V
R
A
V
R
A
V
R
A
CC
L
V
CC
L
V
CC
L
V
= 4Ω
= 2
= 8Ω
= 8Ω
0.2
= 4
= 2
= 3V
= 3V
= 5V
OUTPUT POWER = 250mW
100
100
OUTPUT POWER = 50mW
f
IN
vs. OUTPUT POWER
0.4
OUTPUT POWER = 50mW
= 100Hz
vs. FREQUENCY
OUTPUT POWER (W)
vs. FREQUENCY
OUTPUT POWER = 200mW
FREQUENCY (Hz)
FREQUENCY (Hz)
0.6
Low-Cost, Mono/Stereo,
1k
1k
f
IN
= 1kHz
0.8
1.0
10k
10k
f
IN
= 10kHz
A
1.2
= +25°C, unless otherwise noted.)
100k
100k
1.4
0.0001
0.001
0.001
0.001
0.01
0.01
0.01
100
100
0.1
0.1
0.1
10
10
10
1
1
1
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
10
0
0
V
R
A
V
R
A
V
R
A
0.2 0.4 0.6 0.8
CC
L
V
CC
L
V
CC
L
V
= 8Ω
0.2
= 4Ω
= 4Ω
= 2
= 4
= 4
f
IN
= 5V
= 5V
= 3V
= 100Hz
100
OUTPUT POWER = 175mW
OUTPUT POWER = 70mW
vs. OUTPUT POWER
vs. OUTPUT POWER
0.4
OUTPUT POWER (W)
OUTPUT POWER (W)
vs. FREQUENCY
FREQUENCY (Hz)
f
IN
0.6
= 1kHz
f
1.0
IN
1k
f
= 100Hz
IN
0.8
1.2 1.4
= 1kHz
1.0
10k
f
f
IN
1.6
IN
= 10kHz
= 10kHz
1.2
1.8
100k
2.0
1.4
5