MAX9758 Maxim Integrated Products, MAX9758 Datasheet - Page 10

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MAX9758

Manufacturer Part Number
MAX9758
Description
2.3W Stereo Speaker Amplifiers and DirectDrive Headphone Amplifiers
Manufacturer
Maxim Integrated Products
Datasheet
2.3W Stereo Speaker Amplifiers and DirectDrive
Headphone Amplifiers with Automatic Level Control
(V
1µF, C
22kHz, T
10
DD
-100
-110
-10
-20
-30
-40
-50
-60
-70
-80
-90
______________________________________________________________________________________
0
= PV
0.01
PVSS
A
R
P
L
OUT(SPK)
DD
= +25°C, unless otherwise noted.)
= 4Ω
= 1µF, C1 = C2 = 1µF, PREF = unconnected, GAIN1 = 1, GAIN2 = GAIN3 = VOL = 0V, measurement BW = 22Hz to
CROSSTALK vs. FREQUENCY
= HPV
I
OUT
0.1
= 1W
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
= 10mA
FREQUENCY (Hz)
I
0
OUT
DD
10
(LDO)
= 50mA
V
POWER-SUPPLY REJECTION RATIO
RIPPLE
= CPV
1
I
OUT
= 100mV
100
vs. FREQUENCY (LDO)
DD
= 90mA
10
FREQUENCY (Hz)
= IN = +5.0V, GND = PGND = CPGND = 0V, SHDN = V
P-P
1k
100
10k
Typical Operating Characteristics (continued)
-1
-2
-3
-4
-5
5
4
3
2
1
0
-40
100k
LDO OUTPUT VOLTAGE ACCURACY
-15
vs. TEMPERATURE
TEMPERATURE (°C)
10
35
60
85
DD
-100
-200
-300
LDO OUTPUT NOISE
300
200
100
, REGEN = DR = SET = GND, C
0
0
200μs/div
25
DROPOUT VOLTAGE
vs. LOAD CURRENT
LOAD CURRENT (mA)
50
MAX9756 toc40
75
www.DataSheet4U.com
100
LDO_OUT
1mV/div
125
BIAS
150
=

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