MAX97001EWP+ MAXIM [Maxim Integrated Products], MAX97001EWP+ Datasheet - Page 16

• Manufacturer Part Number: MAX97001EWP+
• Description: Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers
• Manufacturer: MAXIM [Maxim Integrated Products]

Audio Subsystem with Mono Class D Speaker
and Class H Headphone Amplifiers
(V
loads (Z
C
16
C1P-C1N
LDOIN
0.001
0.01
0.1
10
1
SPK
0
= V
R
EXTERNAL CLASS AB
CONNECTED DIRECTLY TO
COM1 AND COMR
= C
LOAD
PVDD
) connected between OUTP and OUTN. Headphone loads (R
f = 6kHz
10
THD+N vs. OUTPUT POWER
HPVDD
= 8I
20
= 3.7V, V
f = 1kHz
OUTPUT POWER (mW)
30
SOFTWARE STARTUP RESPONSE
= C
40
HPVSS
GND
f = 100Hz
50
= V
2ms/div
= C
60
PGND
BIAS
70
= 0V. Single-ended inputs, preamp gain = 0dB,
=
80
1μF. T
MAX97001 toc40
A
Typical Operating Characteristics (continued)
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
= +25°C, unless otherwise noted.)
SDA
2V/div
HPL/HPR
200mV/div
0
I
NC
= 20mA
1
ON-RESISTANCE vs. V
PVDD = 5.0V
2
V
PVDD = 2.5V
PVDD = 2.7V
COM
PVDD = 3.0V
3
(V)
HP
0V
0V
PVDD = 3.7V
4
) connected from HPL or HPR to GND. Z
PVDD = 5.5V
COM
5
6
CLASS H OPERATION
HPLVOL = HPRVOL = SPKVOL =
10ms/div
-100
-120
-20
-40
-60
-80
0
0.01
BYPASS SWITCH OFF-ISOLATION
MAX97001 toc41
0.1
FREQUENCY (kHz)
HPVDD
1V/div
HPL/HPR
200mV/div
HPVSS
1V/div
1
SPK
= ∞, R
0dB. Speaker
10
HP
= ∞.
100