MAX97000EWA+T Maxim Integrated Products, MAX97000EWA+T Datasheet - Page 11
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MAX97000EWA+T
Manufacturer Part Number
MAX97000EWA+T
Description
IC AUDIO SUBSYSTEM 25WLP
Manufacturer
Maxim Integrated Products
Series
DirectDrive™r
Type
Class Dr
Datasheet
1.MAX97000EWAT.pdf
(34 pages)
Specifications of MAX97000EWA+T
Output Type
1-Channel (Mono) with Stereo Headphones
Max Output Power X Channels @ Load
930mW x 1 @ 8 Ohm; 40mW x 2 @ 16 Ohm
Voltage - Supply
2.7 V ~ 5.5 V
Features
Depop, Differential Inputs, I²C, Mute, Shutdown, Volume Control
Mounting Type
Surface Mount
Package / Case
25-WLP
Product
Class-D
Output Power
725 mW
Available Set Gain
12 dB
Common Mode Rejection Ratio (min)
32 dB to 55 dB
Thd Plus Noise
0.05 %
Operating Supply Voltage
2.7 V to 5.5 V
Supply Current
0.4 mA to 1.45 mA
Maximum Power Dissipation
850 mW
Maximum Operating Temperature
+ 80 C
Mounting Style
SMD/SMT
Audio Load Resistance
41.2 KOhms
Input Signal Type
Differential
Minimum Operating Temperature
- 40 C
Output Signal Type
Differential
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2.7 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
MAX97000EWA+T
(V
loads (Z
C
C1P-C1N
LDOIN
0.001
0.001
0.001
0.01
0.01
0.01
100
100
0.1
0.1
0.1
10
10
10
1
1
1
0.01
0
0
SPK
= V
V
Z
V
Z
V
Z
f
=
IN
P
PVDD
SPRK
f
SPRK
PVDD
SPRK
PVDD
IN
OUT
PVDD
) connected between OUTP and OUTN. Headphone loads (R
= 1kHz
C
0.5
= 1kHz
THD+N vs. OUTPUT POWER
THD+N vs. OUTPUT POWER
0.5
HPVDD
= 4I + 33µF
= 8I + 68µF
= 8I + 68µF
= 500mW
= 4.2V
Speaker and Class H Headphone Amplifier
= 5.0V
f
= 3.7V
f
THD+N vs. FREQUENCY
IN
IN
0.1
= 6kHz
= 6kHz
= 3.7V, V
1.0
FREQUENCY (kHz)
1.0
P
P
= C
f
f
IN
OUT
OUT
IN
= 100Hz
1.5
= 100Hz
1
(mW)
(mW)
HPVSS
GND
1.5
P
OUT
2.0
Audio Subsystem with Mono Class D
= 200mW
= V
= C
10
2.0
PGND
2.5
BIAS
3.0
100
2.5
= 0V. Single-ended inputs, preamp gain = 0dB,
=
1μF. T
0.001
0.001
0.001
0.01
0.01
0.01
A
Typical Operating Characteristics (continued)
100
100
0.1
0.1
0.1
10
10
10
SPEAKER_AMPLIFIER
= +25°C, unless otherwise noted.)
1
1
1
0.01
0
0
V
Z
P
V
Z
V
Z
f
f
IN
PVDD
SPRK
PVDD
SPRK
SPRK
OUT
IN
PVDD
0.5
0.2
= 1kHz
= 1kHz
THD+N vs. OUTPUT POWER
THD+N vs. OUTPUT POWER
= 1000mW
= 4I + 33µF
= 4I + 33µF
= 8I + 68µF
= 3.7V
= 5.0V
= 3.7V
f
f
THD+N vs. FREQUENCY
IN
IN
0.1
1.0
= 6kHz
= 6kHz
0.4
FREQUENCY (kHz)
1.5
f
IN
P
P
= 100Hz
0.6
f
OUT
OUT
IN
= 100Hz
2.0
1
(mW)
(mW)
0.8
P
HP
OUT
2.5
) connected from HPL or HPR to GND. Z
= 200mW
1.0
3.0
10
1.2
3.5
100
4.0
1.4
HPLVOL = HPRVOL = SPKVOL =
0.001
0.001
0.001
0.01
0.01
0.01
100
100
0.1
0.1
0.1
10
10
10
1
1
1
0.01
0
0
f
V
Z
SSM
V
Z
V
Z
IN
f
SPRK
SPRK
SPRK
PVDD
PVDD
PVDD
IN
0.2
= 1kHz
f
= 1kHz
IN
THD+N vs. OUTPUT POWER
THD+N vs. OUTPUT POWER
0.5
= 8I + 68µF
= 8I + 68µF
f
= 4I + 33µF
= 6kHz
= 3.7V
= 4.2V
= 3.7V
IN
THD+N vs. FREQUENCY
0.1
0.4
= 6kHz
FREQUENCY (kHz)
FFM
0.6
1.0
P
P
f
IN
OUT
f
OUT
IN
= 100Hz
0.8
= 100Hz
1
(mW)
SPK
(mW)
1.5
1.0
= ∞, R
0dB. Speaker
1.2
10
2.0
HP
1.4
= ∞.
100
1.6
2.5
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