max9752aetit Maxim Integrated Products, Inc., max9752aetit Datasheet - Page 9

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

(V
C
MAX9752: GAIN1 = GAIN2 = 0, V
CPVSS
DD
250
225
200
175
150
125
100
75
50
25
2.2W, Low-EMI, Stereo, Class D Power Amplifiers
0
= PV
POWER DISSIPATION vs. OUTPUT POWER
0
= 1µF, C1 = 1µF, speaker impedance = 8Ω connected between OUT_+ and OUT_-, headphone load is terminated to GND;
25
DD
50 75 100 125
= HPV
(HEADPHONE MODE)
OUTPUT POWER (mW)
-100
-120
-20
-40
-60
-80
_______________________________________________________________________________________
0
DD
10
V
f = 1kHz
P
V
V
R
DD
OUT
CC
RIPPLE
L
150 175
= CPV
= 32Ω
RIGHT TO LEFT
= 5V
= 5V
CROSSTALK vs. FREQUENCY
= P
= 200mV
100
with DirectDrive Headphone Amplifiers
OUTL
(HEADPHONE MODE)
VOL
200
LEFT TO RIGHT
+ P
DD
FREQUENCY (Hz)
P-P
OUTR
225
= 0V; MAX9753: GAIN = 0, V
= 5.0V, GND = PGND = HPGND = 0V, V
1k
250
10k
125
100
Typical Operating Characteristics (continued)
75
50
25
0
3.0
OUTPUT POWER vs. SUPPLY VOLTAGE
f = 1kHz
100k
3.5
(HEADPHONE MODE)
SUPPLY VOLTAGE (V)
R
L
= 16Ω
4.0
A/B
= 0V; MAX9754: GAIN = 0; T
R
L
4.5
= 32Ω
200
180
160
140
120
100
80
60
40
20
5.0
0
10
CAPACITANCE AND LOAD RESISTANCE
OUTPUT POWER vs. CHARGE-PUMP
C1 = C2 = 1μF
5.5
SHDN
20
LOAD RESISTANCE (Ω)
= V
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
C1 = C2 = 2.2μF
0
DD
30
A
10
= +25°C, unless otherwise noted.)
vs. FREQUENCY (HEADPHONE MODE)
, CPV
V
A
OUTPUT REFERRED
POWER-SUPPLY REJECTION RATIO
RIPPLE
V
= 10.5dB
V
f = 1kHz
THD+N = 1%
DD
40
= 200mV
100
SS
= 5V
FREQUENCY (Hz)
= V
P-P
50
SS
1k
, C
BIAS
10k
= 1µF,
100k
9