MAX97000EWA+T Maxim Integrated Products, MAX97000EWA+T Datasheet - Page 13
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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
SPK
= V
=
PVDD
) connected between OUTP and OUTN. Headphone loads (R
C
HPVDD
Speaker and Class H Headphone Amplifier
= 3.7V, V
-100
-120
-20
-40
-60
-80
-10
-20
-30
-40
30
20
10
0
0
= C
0.1
0
HPVSS
SOFTWARE SHUTDOWN RESPONSE
GND
WIDEBAND OUTPUT SPECTRUM
10
SPEAKER VOLUME GAIN
Audio Subsystem with Mono Class D
= V
SPKVOL CODE (NUMERIC)
1
= C
20
vs. SPKVOL CODE
FREQUENCY (MHz)
PGND
BIAS
400µs/div
30
10
= 0V. Single-ended inputs, preamp gain = 0dB,
=
40
1μF. T
RBW = 100Hz
FFM
50
100
A
Typical Operating Characteristics (continued)
MAX97000 toc25
= +25°C, unless otherwise noted.)
60
1000
70
SDA
2V/div
SPKR
OUTPUT
1V/div
HP
) connected from HPL or HPR to GND. Z
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
0.1
HARDWARE SHUTDOWN RESPONSE
SOFTWARE TURN-ON RESPONSE
WIDEBAND OUTPUT SPECTRUM
HPLVOL = HPRVOL = SPKVOL =
1
FREQUENCY (MHz)
1ms/div
4ms/div
10
RBW = 100Hz
SSM
100
MAX97000 toc24
MAX97000 toc26
1000
SPK
SHDN
2V/div
SPKR
OUTPUT
500mV/div
SDA
2V/div
SPKR
OUTPUT
1V/div
= ∞, R
0dB. Speaker
HP
= ∞.
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