max97002 Maxim Integrated Products, Inc., max97002 Datasheet - Page 11

• 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
0.001
0.01
-10
-20
-30
-40
-50
-60
-70
0.1
10
10
6
5
4
3
2
1
0
0
1
0.01
2.5
0
= V
HEADPHONE VOLUME ATTENUATION
SPEAKER ONLY
INPUTS AC-COUPLED TO GND
INPUT = INA
V
RIGHT AND LEFT
32I LOAD
V
Z
SSM
= C
SPRK
SDA
PVDD
Speaker and Class H Headphone Amplifiers
PVDD
5
3.0
= V
= 8I + 68µF
HPVDD
= 3.7V
THD+N vs. FREQUENCY
0.1
vs. SUPPLY VOLTAGE
HP_VOL CODE (NUMERIC)
SCL
10
SUPPLY CURRENT
vs. HP_VOL CODE
= 3.7V, V
SUPPLY VOLTAGE (V)
3.5
= 3.3V
FREQUENCY (kHz)
FFM
= C
15
4.0
1
HPVSS
GND
20
4.5
Audio Subsystem with Mono Class D
25
= V
10
= C
PGND
5.0
30
BIAS
100
5.5
= 0V. Single-ended inputs, preamp gain = 0dB,
35
=
1μF. T
0.001
0.001
0.01
0.01
100
A
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.1
0.1
10
10
1
0
1
= +25°C, unless otherwise noted.)
0.01
2.5
0
INPUTS AC-COUPLED TO GND
V
V
Z
V
Z
P
f
SPRK
SPRK
SDA
PVDD
PVDD
IN
OUT
400
= 1kHz
3.0
THD+N vs. OUTPUT POWER
= V
= 600mW
f
= 8I + 68µF
= 8I + 68µF
= 3.7V
= 5.0V
IN
THD+N vs. FREQUENCY
0.1
SHUTDOWN CURRENT
vs. SUPPLY VOLTAGE
SCL
= 6kHz
SUPPLY VOLTAGE (V)
800
3.5
= 3.3V
FREQUENCY (kHz)
P
OUT
1200
f
IN
4.0
1
(mW)
= 100Hz
Typical Operating Characteristics
P
OUT
1600
4.5
= 200mW
10
2000
5.0
2400
100
5.5
HPLVOL = HPRVOL = SPKVOL =
0.001
0.001
0.01
0.01
100
-10
-20
-30
-40
0.1
0.1
10
30
20
10
10
1
0
1
0.01
0
0
8I LOAD
P
V
Z
V
Z
SPEAKER VOLUME ATTENUATION
OUT
f
SPRK
PVDD
SPRK
PVDD
IN
500
VOLUME CONTROL CODE (NUMERIC)
10
= 1kHz
vs. VOLUME CONTROL CODE
THD+N vs. OUTPUT POWER
= 1000mW
= 4I + 33µF
= 4I + 33µF
= 5.0V
= 3.7V
f
1000
THD+N vs. FREQUENCY
IN
0.1
20
= 6kHz
FREQUENCY (kHz)
1500
P
f
IN
30
OUT
2000
= 100Hz
1
(mW)
40
P
2500
OUT
0dB. Speaker
= 200mW
50
3000
10
3500
60
4000
100
70
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