max97002 Maxim Integrated Products, Inc., max97002 Datasheet - Page 12

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

Audio Subsystem with Mono Class D
Speaker and Class H Headphone Amplifiers
(V
loads (ZSPK) connected between OUTP and OUTN. Headphone loads (RHP) connected from HPL or HPR to GND. ZSPK = ∞, RHP = ∞.
C
12
C1P-C1N
LDOIN
0.001
0.001
0.01
0.01
100
100
0.1
0.1
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
10
10
1
1
0
2.5
0
0
= V
OUTPUT POWER vs. SUPPLY VOLTAGE
V
Z
V
Z
f
Z
IN
SPRK
= C
PVDD
SPRK
f
SPRK
f
PVDD
200
IN
IN
PVDD
= 1kHz
= 1kHz
3.0
= 1kHz
THD+N vs. OUTPUT POWER
THD+N vs. OUTPUT POWER
400
THD+N = 10%
= 8I + 68µF
f
= 4 I + 33µF
= 8I + 68µF
HPVDD
= 4.2V
IN
= 3.7V
f
400
IN
= 6kHz
= 6kHz
SUPPLY VOLTAGE (V)
= 3.7V, V
3.5
600
800
P
P
= C
OUT
OUT
800
4.0
(mW)
(mW)
HPVSS
f
THD+N = 1%
GND
IN
1200
f
1000
IN
= 100Hz
= 100Hz
4.5
= V
1200
= C
1600
PGND
5.0
1400
BIAS
1600
2000
5.5
= 0V. Single-ended inputs, preamp gain = 0dB,
=
1μF. T
0.001
0.01
100
100
Typical Operating Characteristics (continued)
0.1
3.5
3.0
2.5
2.0
1.5
1.0
0.5
A
10
90
80
70
60
50
40
30
20
10
1
0
0
= +25°C, unless otherwise noted.)
2.5
0
0
OUTPUT POWER vs. SUPPLY VOLTAGE
Z
f
V
Z
f
Z
IN
SPRK
IN
PVDD
SPRK
SPRK
EFFICIENCY vs. OUTPUT POWER
= 1kHz
= 1kHz
500
3.0
THD+N vs. OUTPUT POWER
0.5
= 8I + 68µF
= 4I + 33µF
f
= 4I + 33µF
= 4.2V
IN
THD+N = 10%
= 6kHz
1000
SUPPLY VOLTAGE (V)
3.5
1.0
P
P
OUT
OUT
1500
4.0
(mW)
(W)
f
IN
1.5
Z
= 100Hz
SPRK
2000
THD+N = 1%
4.5
V
f
IN
PVDD
= 4I + 33µF
= 1kHz
2.0
2500
5.0
= 5.0V
3000
2.5
5.5
HPLVOL = HPRVOL = SPKVOL =
0.001
0.01
100
100
0.1
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
10
90
80
70
60
50
40
30
20
10
1
0
0
0
0
1
OUTPUT POWER vs. LOAD RESISTANCE
V
Z
THD+N = 1%
Z
SPRK
PVDD
f
EFFICIENCY vs. OUTPUT POWER
SPRK
IN
0.2
200
THD+N vs. OUTPUT POWER
= 1kHz
= 8I + 68µF
= 3.7V
= 8I + 68µF
f
IN
0.4
= 6kHz
LOAD RESISTANCE (I)
400
10
0.6
THD+N = 10%
P
P
OUT
OUT
600
0.8
(mW)
V
f
Z
(W)
IN
SPRK
PVDD
= 1kHz
f
Z
IN
1.0
SPRK
800
100
= LOAD + 68µF
= 100Hz
= 3.7V
0dB. Speaker
V
f
IN
PVDD
1.2
= 4I + 33µF
= 1kHz
1000
= 3.7V
1.4
1200
1000
1.6