max9752aetit Maxim Integrated Products, Inc., max9752aetit Datasheet - Page 8

• Manufacturer Part Number: max9752aetit
• Description: 2.2w, Low-emi, Stereo, Class D Power Amplifiers With Directdrive Headphone Amplifiers
• Manufacturer: Maxim Integrated Products, Inc.

2.2W, Low-EMI, Stereo, Class D Power Amplifiers
with DirectDrive Headphone Amplifiers
(V
C
MAX9752: GAIN1 = GAIN2 = 0, V
8
CPVSS
0.0001
DD
0.0001
0.001
0.001
0.001
1000
0.01
0.01
0.01
_______________________________________________________________________________________
100
0.1
0.1
0.1
10
10
10
1
1
1
= PV
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
10
10
vs. OUTPUT POWER (HEADPHONE MODE)
= 1µF, C1 = 1µF, speaker impedance = 8Ω connected between OUT_+ and OUT_-, headphone load is terminated to GND;
0
vs. FREQUENCY (HEADPHONE MODE)
vs. FREQUENCY (HEADPHONE MODE)
V
R
A
V
R
A
V
R
A
DD
L
V
DD
L
V
DD
L
V
DD
= 16Ω
= 3dB
= 16Ω
= 3dB
= 32Ω
= 3dB
= 3.3V
= 5V
10
= 3.3V
OUTPUT POWER = 30mW
OUTPUT POWER = 10mW
100
= HPV
100
OUTPUT POWER = 90mW
OUTPUT POWER (mW)
OUTPUT POWER = 45mW
20
FREQUENCY (Hz)
FREQUENCY (Hz)
DD
1k
1k
30
= CPV
40
10k
10k
VOL
DD
50
= 0V; MAX9753: GAIN = 0, V
= 5.0V, GND = PGND = HPGND = 0V, V
100k
100k
60
0.0001
0.001
0.001
0.001
1000
1000
0.01
0.01
0.01
100
100
Typical Operating Characteristics (continued)
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
vs. OUTPUT POWER (HEADPHONE MODE)
vs. OUTPUT POWER (HEADPHONE MODE)
10
0
0
vs. FREQUENCY (HEADPHONE MODE)
V
R
A
V
R
A
V
R
A
DD
L
V
DD
L
V
10
DD
L
V
= 16Ω
= 3dB
= 32Ω
= 3dB
= 32Ω
= 3dB
= 5V
25
= 3.3V
= 5V
20
OUTPUT POWER = 10mW
100
OUTPUT POWER (mW)
OUTPUT POWER (mW)
OUTPUT POWER = 45mW
50
30 40
FREQUENCY (Hz)
A/B
75
= 0V; MAX9754: GAIN = 0; T
1k
50
100
60
10k
70
125
80
100k
150
SHDN
90
0.0001
= V
0.001
0.001
1000
0.01
100
0.01
180
160
140
120
100
0.1
0.1
10
10
80
60
40
20
1
1
0
DD
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
A
10
vs. OUTPUT POWER (HEADPHONE MODE)
10
0
OUTPUT POWER vs. LOAD RESISTANCE
= +25°C, unless otherwise noted.)
, CPV
vs. FREQUENCY (HEADPHONE MODE)
V
R
A
THD+N = 1%
V
R
A
DD
L
V
DD
L
V
= 32Ω
= 3dB
= 16Ω
= 3dB
= 5V
= 3.3V
THD+N = 10%
20
OUTPUT POWER = 10mW
100
(HEADPHONE MODE)
SS
LOAD RESISTANCE (Ω)
OUTPUT POWER (mW)
OUTPUT POWER = 30mW
FREQUENCY (Hz)
= V
40
100
SS
1k
, C
60
BIAS
10k
80
= 1µF,
1000
100k
100