max9705aeub+ Maxim Integrated Products, Inc., max9705aeub+ Datasheet - Page 4

• Manufacturer Part Number: max9705aeub+
• Description: Max9705 2.3w, Ultra-low-emi, Filterless, Class D Audio Amplifier
• Manufacturer: Maxim Integrated Products, Inc.

2.3W, Ultra-Low-EMI, Filterless,
Class D Audio Amplifier
(V
load condition apply to the MAX9705_ETB+T and MAX9705_EUB+ only.)
4
DD
0.01
0.001
0.001
100
0.1
0.01
0.01
10
100
100
0.1
_______________________________________________________________________________________
0.1
1
10
10
1
= 3.3V, SYNC = V
1
10
0
0
V
R
DD
L
PLUS NOISE vs. OUTPUT POWER
PLUS NOISE vs. OUTPUT POWER
TOTAL HARMONIC DISTORTION
TOTAL HARMONIC DISTORTION
= 8Ω
TOTAL HARMONIC DISTORTION
P
PLUS NOISE vs. FREQUENCY
= 3.3V
0.2
OUT
100
= 450mW
OUTPUT POWER (W)
0.5
OUTPUT POWER (W)
0.4
FREQUENCY (Hz)
f
IN
f
IN
= 1kHz
1k
0.6
= 1kHz
DD
P
OUT
(SSM), differential input, T
= 100mW
1.0
0.8
10k
V
R
V
R
DD
L
DD
L
1.0
= 4Ω
= 8Ω
= 3.3V
= 3.3V
1.5
100k
1.2
0.01
100
0.001
0.001
0.1
10
0.01
0.01
100
100
1
0.1
0.1
10
10
1
1
10
0
0
A
V
R
= +25°C, unless otherwise noted. Typical Operating Characteristics for 4Ω
DD
L
PLUS NOISE vs. OUTPUT POWER
PLUS NOISE vs. OUTPUT POWER
TOTAL HARMONIC DISTORTION
= 8Ω
f
TOTAL HARMONIC DISTORTION
TOTAL HARMONIC DISTORTION
IN
PLUS NOISE vs. FREQUENCY
= 5.0V
0.5
P
= 1kHz
OUT
100
0.5
= 1W
f
IN
OUTPUT POWER (W)
OUTPUT POWER (W)
1.0
FREQUENCY (Hz)
= 1kHz
1k
1.5
1.0
P
OUT
Typical Operating Characteristics
= 250mW
2.0
10k
1.5
V
R
V
R
DD
L
DD
L
2.5
= 4Ω
= 8Ω
= 5.0V
= 5.0V
100k
2.0
3.0
0.001
0.01
0.001
0.01
100
100
0.1
0.01
0.1
10
100
10
0.1
1
10
1
1
0
10
0
V
R
V
R
f
IN
PLUS NOISE vs. OUTPUT POWER
DD
L
DD
L
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
TOTAL HARMONIC DISTORTION
TOTAL HARMONIC DISTORTION
= 4Ω
= 8Ω
= 1kHz
SSM
= 2.5V
= 3.3V
0.2
PLUS NOISE vs. FREQUENCY
0.2
100
OUTPUT POWER (W)
OUTPUT POWER (W)
0.4
f
IN
FFM
FREQUENCY (Hz)
P
OUT
= 1kHz
= 300mW
0.4
0.6
1k
P
OUT
= 50mW
0.8
0.6
10k
V
R
DD
L
= 4Ω
1.0
= 2.5V
0.8
1.2
100k