max97002 Maxim Integrated Products, Inc., max97002 Datasheet - Page 13

• Manufacturer Part Number: max97002
• Description: Audio Subsystem With Mono Class D Speaker And Class H Headphone Amplifiers
• Manufacturer: Maxim Integrated Products, Inc.

(V
loads (ZSPK) connected between OUTP and OUTN. Headphone loads (RHP) connected from HPL or HPR to GND. ZSPK = ∞, RHP = ∞.
C
C1P-C1N
LDOIN
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
0.01
= V
POWER-SUPPLY REJECTION RATIO
V
V
INPUTS AC-COUPLED GND
= C
RIPPLE
PVDD
Speaker and Class H Headphone Amplifiers
PVDD
-100
-120
-100
-20
-40
-60
-80
-10
-20
-30
-40
-50
-60
-70
-80
-90
HPVDD
= 3.7V
0.1
= 200mV
0
0
0.1
= 3.7V, V
vs. FREQUENCY
0
FREQUENCY (kHz)
WIDEBAND OUTPUT SPECTRUM
P-P
FFM
f
= C
IN
IN-BAND OUTPUT SPECTRUM
= 1kHz
1
HPVSS
1
5
GND
FREQUENCY (MHz)
FREQUENCY (kHz)
Audio Subsystem with Mono Class D
= V
10
= C
10
10
PGND
BIAS
100
= 0V. Single-ended inputs, preamp gain = 0dB,
RBW = 100Hz
SSM
=
100
15
1μF. T
-100
-20
-40
-60
-80
Typical Operating Characteristics (continued)
A
1000
0
20
= +25°C, unless otherwise noted.)
2.5
POWER-SUPPLY REJECTION RATIO
V
f
INPUTS AC-COUPLED GND
IN
RIPPLE
= 1kHz
3.0
= 200mV
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
3.5
P-P
4.0
4.5
5.0
-100
-120
-20
-40
-60
-80
5.5
0
HPLVOL = HPRVOL = SPKVOL =
0.1
SOFTWARE SHUTDOWN RESPONSE
WIDEBAND OUTPUT SPECTRUM
-100
-120
-20
-40
-60
-80
0
1
0
FREQUENCY (MHz)
SSM
f
IN
IN-BAND OUTPUT SPECTRUM
1ms/div
= 1kHz
10
5
FREQUENCY (kHz)
RBW = 100Hz
FFM
100
10
MAX97002 toc25
1000
0dB. Speaker
15
SDA
2V/div
SPKR
OUTPUT
200mA/div
20
13