max97002 Maxim Integrated Products, Inc., max97002 Datasheet - Page 14

• 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
Audio Subsystem with Mono Class D
Speaker and Class H Headphone Amplifiers
14
C1P-C1N
LDOIN
SOFTWARE TURN-ON RESPONSE
= V
= C
PVDD
0.001
0.01
110
100
HPVDD
0.1
2ms/div
10
90
80
70
60
50
40
30
20
10
1
0
= 3.7V, V
0
0
R
f
P
IN
LOAD
f
OUT
IN
= C
5
= 1kHz
20
= 1kHz
THD+N vs. OUTPUT POWER
= P
= 32I
HPVSS
10
POWER DISSIPATION
HPL
GND
vs. OUTPUT POWER
MAX97002 toc26
40
OUTPUT POWER (mW)
OUTPUT POWER (mW)
f
IN
+ P
15
= 6kHz
HPR
= V
60
= C
20
PGND
R
SDA
2V/div
SPKR
OUTPUT
200mA/div
BIAS
LOAD
80
f
IN
25
= 100Hz
= 32I
= 0V. Single-ended inputs, preamp gain = 0dB,
100
=
R
30
LOAD
1μF. T
120
= 16I
35
0.001
0.01
Typical Operating Characteristics (continued)
A
0.1
10
140
1
40
= +25°C, unless otherwise noted.)
0.01
R
LOAD
THD+N vs. FREQUENCY
0.1
= 32I
P
OUT
FREQUENCY (kHz)
= 25mW
1
P
OUT
= 5mW
10
0.001
0.01
250
200
150
100
0.1
100
10
50
1
0
HPLVOL = HPRVOL = SPKVOL =
1
0
OUTPUT POWER vs. LOAD RESISTANCE
R
LOAD
THD+N = 1%
10
0.001
THD+N vs. OUTPUT POWER
0.01
f
0.1
IN
10
= 16I
1
= 1kHz
0.01
f
IN
20
LOAD RESISTANCE (I)
OUTPUT POWER (mW)
10
= 6kHz
R
LOAD
30
THD+N vs. FREQUENCY
= 16I
0.1
P
THD+N = 10%
OUT
40
f
IN
FREQUENCY (kHz)
100
= 100Hz
= 30mW
50
f
P
1
IN
OUT
60
= 1kHz
= 10mW
1000
0dB. Speaker
70
10
100