MAX97002EWP+T Maxim Integrated Products, MAX97002EWP+T Datasheet - Page 15

IC AUDIO SUBSYSTEM 20WLP

MAX97002EWP+T

Manufacturer Part Number
MAX97002EWP+T
Description
IC AUDIO SUBSYSTEM 20WLP
Manufacturer
Maxim Integrated Products
Series
DirectDrive™r
Type
Class Dr
Datasheet

Specifications of MAX97002EWP+T

Output Type
1-Channel (Mono) with Stereo Headphones
Max Output Power X Channels @ Load
920mW x 1 @ 8 Ohm; 37mW 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
20-WLP
Product
Class-D
Output Power
700 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
0.32 mA to 1.85 mA
Maximum Power Dissipation
1040 mW
Maximum Operating Temperature
+ 80 C
Mounting Style
SMD/SMT
Audio Load Resistance
41.2 KOhms
Input Signal Type
Differential or Single
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
MAX97002EWP+T
(V
loads (ZSPK) connected between OUTP and OUTN. Headphone loads (RHP) connected from HPL or HPR to GND. ZSPK = ∞, RHP = ∞.
C
C1P-C1N
LDOIN
90
80
70
60
50
40
30
20
10
0
1
OUTPUT POWER vs. LOAD RESISTANCE
= V
f
THD+N = 1%
MEASURED AT
HPR ONLY
IN
= C
Speaker and Class H Headphone Amplifiers
PVDD
= 1kHz
-100
-120
-140
-20
-40
-60
-80
-10
-20
-30
-40
-50
-60
-70
HPVDD
0
0
LOAD RESISTANCE (I)
0.01
= 3.7V, V
0
10
R
f
R
IN
COMMON-MODE REJECTION RATIO
LOAD
LOAD
2
= 1kHz
= C
C1 = C2 = C3 = 1µF
C1 = C2 = C3 = 2.2µF
= 16I
= 32I
4
PREGAIN = +18dB
PREGAIN = 0dB
HPVSS
0.1
PREGAIN = +9dB
GND
OUTPUT SPECTRUM
6
vs. FREQUENCY
FREQUENCY (kHz)
FREQUENCY (kHz)
100
Audio Subsystem with Mono Class D
8
= V
= C
10
PGND
1
BIAS
12
1000
= 0V. Single-ended inputs, preamp gain = 0dB,
14 16 18 20
=
10
1μF. T
-100
-120
-140
-20
-40
-60
-80
Typical Operating Characteristics (continued)
A
100
0
= +25°C, unless otherwise noted.)
0.01
POWER-SUPPLY REJECTION RATIO
V
V
INPUTS AC-COUPLED GND
RIPPLE
DD
= 1.8V
= 200mV
0.1
vs. FREQUENCY
FREQUENCY (kHz)
P-P
1
-10
-20
-30
-40
-50
-60
-70
-80
-90
10
0
0.01
R
SOFTWARE SHUTDOWN RESPONSE
LEFT TO RIGHT RIGHT TO LEFT
LOAD
100
CROSSTALK vs. FREQUENCY
= 32I
HPLVOL = HPRVOL = SPKVOL =
0.1
FREQUENCY (kHz)
-100
-120
-140
-20
-40
-60
-80
1ms/div
0
1
0
R
f
IN
LOAD
2
= 1kHz
= 32I
4
10
OUTPUT SPECTRUM
MAX97002 toc39
6
FREQUENCY (kHz)
8
100
10 12
SDA
2V/div
HPL/HPR
200mV/div
0dB. Speaker
14
16 18
20
15

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