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MAX9789A Datasheet(PDF) 11 Page - Maxim Integrated Products

Part # MAX9789A
Description  Windows Vista-Compliant, Stereo Class AB Speaker Amplifiers and DirectDrive Headphone Amplifiers
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX9789A Datasheet(HTML) 11 Page - Maxim Integrated Products

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Windows Vista-Compliant, Stereo Class AB Speaker
Amplifiers and DirectDrive Headphone Amplifiers
______________________________________________________________________________________
11
LDO LOAD-TRANSIENT RESPONSE
MAX9789A toc47
20ms/div
AC-COUPLED
VLDO_OUT
10mV/div
ILDO_OUT
15mA/div
LDO SHUTDOWN RESPONSE
MAX9789A toc48
200ms/div
VLDO_OUT
2V/div
LDO_EN
2V/div
ILOAD = 0mA
LDO CROSSTALK vs. FREQUENCY
FREQUENCY (Hz)
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
10
100
1k
10k
100k
VLDO_OUT = 4.75V
POUT = 2W
RL = 4
Ω
ILOAD = 0mA
LEFT SPEAKER TO LDO
RIGHT SPEAKER TO LDO
Typical Operating Characteristics (continued)
(VDD = PVDD = CPVDD = HPVDD = LDO_EN = +5V, GND = PGND = CPGND = LDO_SET = 0V, C1 = C2 = CBIAS = CIN = 1µF. RL = ∞,
unless otherwise specified, GAIN1 = 0, GAIN2 = 1 (AVSP = 10dB, AVHP = 3.5dB), measurement BW = 20kHz AES17, TA = +25°C,
unless otherwise noted. Headphone mode:
SPKR_EN = 1, HP_EN = 0. Speaker mode: SPKR_EN = 0, HP_EN = 1.)
RIPPLE REJECTION vs. FREQUENCY
FREQUENCY (Hz)
10k
1k
100
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
10
100k
VLDO_OUT = 4.75V
VRIPPLE = 200mVP-P
IOUT = 10mA
OUTPUT REFERRED
VLDO_OUT = 3.3V
OUTPUT NOISE vs. FREQUENCY
FREQUENCY (Hz)
10k
1k
100
0.1
1
10
0.01
10
100k
LINE-TRANSIENT RESPONSE
MAX9789A toc46
1ms/div
LDO_OUT
(AC-COUPLED)
20mV/div
VDD
1V/div
5.5V
4.5V


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