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MAX97000 Datasheet(PDF) 15 Page - Maxim Integrated Products

Part No. MAX97000
Description  Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifier
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX97000 Datasheet(HTML) 15 Page - Maxim Integrated Products

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Audio Subsystem with Mono Class D
Speaker and Class H Headphone Amplifier
15
Typical Operating Characteristics (continued)
(VLDOIN = VPVDD = 3.7V, VGND = VPGND = 0V. Single-ended inputs, preamp gain = 0dB, HPLVOL = HPRVOL = SPKVOL = 0dB. Speaker
loads (ZSPK) connected between OUTP and OUTN. Headphone loads (RHP) connected from HPL or HPR to GND. ZSPK = ∞, RHP = ∞.
CC1P-C1N = CHPVDD = CHPVSS = CBIAS = 1μF. TA = +25°C, unless otherwise noted.)
CROSSTALK vs. FREQUENCY
FREQUENCY (kHz)
10
1
0.1
-100
-80
-60
-40
-20
0
-120
0.01
100
RLOAD = 32I
HPL TO HPR
HPR TO HPL
COMMON-MODE REJECTION RATIO
vs. FREQUENCY
FREQUENCY (kHz)
10
1
0.1
-50
-40
-30
-20
-10
0
-60
0.01
100
RLOAD = 16I
PREGAIN = +9dB
PREGAIN = +18dB
PREGAIN = 0dB
HEADPHONE VOLUME GAIN
vs. HP_VOL CODE
HP_VOL CODE (NUMERIC)
30
25
5
10
15
20
-60
-50
-40
-30
-20
-10
0
10
-70
0
35
RIGHT AND LEFT
HARDWARE SHUTDOWN RESPONSE
MAX97000 toc40
SHDN
2V/div
HPL/HPR
500mV/div
1ms/div
SOFTWARE SHUTDOWN RESPONSE
MAX97000 toc41
SDA
2V/div
HPL/HPR
500mV/div
1ms/div
SOFTWARE TURN-ON RESPONSE
MAX97000 toc42
SDA
2V/div
HPL/HPR
500mV/div
4ms/div
OUTPUT SPECTRUM
FREQUENCY (kHz)
20
16
4
8
12
-140
-120
-100
-80
-60
-40
-20
0
-160
0
24
RLOAD = 16I
fIN = 1kHz


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