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MAX97000 Datasheet(PDF) 8 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) 8 Page - Maxim Integrated Products

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Audio Subsystem with Mono Class D
Speaker and Class H Headphone Amplifier
8
ELECTRICAL CHARACTERISTICS (continued)
(VLDOIN = VPVDD = VSHDN = 3.7V, VGND = VPGND = 0V. Input signal applied at INA configured single-ended, preamp gain = 0dB,
HPLVOL = HPRVOL= SPKVOL = 0dB, speaker loads (ZSPK) connected between OUTP and OUTN. Headphone loads (RHP) con-
nected from HPL or HPR to GND. SDA and SCL pullup voltage = 1.8V. ZSPK = J, RHP = J. CC1P-C1N = CHPVDD = CHPVSS = CBIAS
= 1FF. TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25NC.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Total Harmonic Distortion +
Noise
THD+N
POUT = 10mW,
f = 1kHz
RHP = 32I
0.02
%
RHP = 16I
0.03
0.1
Signal-to-Noise Ratio
SNR
A-weighted, RHP = 16I, HPLMIX = 0x01,
HPRMIX = 0x02, IN_DIFF = 0
100
dB
Slew Rate
SR
0.35
V/Fs
Capacitive Drive
CL
200
pF
Crosstalk
HPL to HPR, HPR to HPL, f = 20Hz to 20kHz
65
dB
ANALOG SWITCH
On-Resistance
RON
INC_ = 20mA, VCOM_
= 0V and PVDD,
SWEN = 1
TA = +25NC
1.6
4
I
TA = TMIN to TMAX
5.2
Total Harmonic Distortion +
Noise
VDIFCOM_ = 2VP-P,
VCMCOM_= PVDD/2,
f = 1kHz, SWEN = 1,
ZSPK = 8I + 68FH
10I in series with
each switch
0.05
%
No series resistors
0.3
Off-Isolation
SWEN = 0, COM1 and COM2 to GND = 50I,
f = 10kHz, referred to signal applied to NC1
and NC2
105
dB
PREAMPLIFIER
Gain
PGAIN_ = 000
-6.5
-6
-5.5
dB
PGAIN_ = 001
-3.5
-3
-2.5
PGAIN_ = 010
-0.5
0
0.5
PGAIN_ = 011
2.5
3
3.5
PGAIN_ = 100
5.5
6
6.5
PGAIN_ = 101
8.5
9
9.5
PGAIN_ = 110
17.5
18
18.5
VOLUME CONTROL
Volume Level
HP_VOL = 0x1F
5.5
6
6.5
dB
HP_VOL = 0x00
-68
-64
-60
SPKVOL = 0x3F
19
20
21
SPKVOL = 0x00
-31
-30
-29
Mute Attenuation
f = 1kHz
Speaker
109
dB
Headphone
101
Zero-Crossing Detection
Timeout
100
ms
LIMITER
Attack Time
1
ms
Release Time Constant
THDT1 = 0
1.4
s
THDT1 = 1
2.8


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