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PDF MAX98300 Data sheet ( Hoja de datos )
| Número de pieza | MAX98300 | |
| Descripción | Mono 2.6W Class D Amplifier | |
| Fabricantes | Maxim Integrated Products | |
| Logotipo |  |
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DataSheet.in
19-5234; Rev 0; 7/10
EVAALVUAAILTAIOBNLEKIT
Mono 2.6W Class D Amplifier
General Description
The MAX98300 mono 2.6W Class D amplifier provides
Class AB audio performance with Class D efficiency.
This device offers five selectable gain settings (0dB,
3dB, 6dB, 9dB, and 12dB) set by a single gain-select
input (GAIN).
Active emissions-limiting edge-rate and overshoot con-
trol circuitry greatly reduces EMI. A patented filterless
spread-spectrum modulation scheme eliminates the need
for output filtering found in traditional Class D devices.
These features reduce application component count.
The MAX98300 industry-leading 0.78mA at 3.7V (1.1mA
at 5V) quiescent current extends battery life in portable
applications.
The MAX98300 is available in an 8-pin TDFN-EP (2mm
x 2mm x 0.8mm) and a 9-bump (1.2mm x 1.2mm) WLP.
Both packages are specified over the extended -40NC to
+85NC temperature range.
Applications
Notebook and Netbook Computers
Cellular Phones
MP3 Players
Portable Audio Players
VoIP Phones
Features
S Industry-Leading Quiescent Current: 0.78mA at
3.7V, 1.1mA at 5V
S Spread Spectrum and Active Emissions Limiting
S Five Selectable Gains
S Click-and-Pop Suppression
S Thermal and Overcurrent Protection
S Low-Current Shutdown Mode
S Space-Saving Packages
2mm x 2mm x 0.8mm, 8-Pin TDFN-EP
1.2mm x 1.2mm, 9-Bump WLP (0.4mm Pitch)
Ordering Information
PART
MAX98300ETA+
MAX98300EWL+
TEMP RANGE
-40NC to +85NC
-40NC to +85NC
PIN-PACKAGE
8 TDFN-EP*
9 WLP
+Denotes a lead(Pb)-free/RoHS-compliant package.
*EP = Exposed pad.
Typical Application Circuit
+2.6V TO +5.5V
+2.6V TO +5.5V
SHDN
GAIN
MAX98300
PVDD
1µF
IN+
1µF
IN-
OUT+
OUT-
PGND
0.1µF
10µF*
*SYSTEM BULK CAPACITANCE
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
1 page  
DataSheet.in
Mono 2.6W Class D Amplifier
Typical Operating Characteristics (continued)
(VPVDD = VSHDN = 5.0V, VPGND = 0V, AV = 12dB, RL = J, unless otherwise specified, RL connected between OUT+ to OUT-, AC
measurement bandwidth 20Hz to 22kHz, TA = +25NC, unless otherwise noted.)
EFFICIENCY vs. OUTPUT POWER
100
90 VPVDD = 3.7V
OUTPUT POWER vs.
LOAD RESISTANCE
5.0
4.5 PVDD = 5V
OUTPUT POWER vs.
LOAD RESISTANCE
2.0
1.8 PVDD = 3.7V
80 4.0
70 RL = 8I + 68FH
3.5 10% THD+N
60
RL = 4I + 33FH
3.0
1% THD+N
50 2.5
1.6 10% THD+N
1.4
1.2 1% THD+N
1.0
40 2.0 0.8
30 1.5 0.6
20 1.0 0.4
10 0.5 0.2
0
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
OUTPUT POWER (W)
0
1
0
1.0 100 1000
1
LOAD RESITANCE (I)
1.0 100
LOAD RESITANCE (I)
1000
OUTPUT POWER vs. SUPPLY VOLTAGE
3.00
2.75 RL = 4I + 33FH
2.50
2.25
2.00
1.75 10% THD+N
1.50
1.25
1.00
0.75 1% THD+N
0.50
0.25
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
OUTPUT POWER vs. SUPPLY VOLTAGE
3.00
2.75 RL = 4I + 68FH
2.50
2.25
2.00
1.75
1.50
1.25 10% THD+N
1.00
0.75
0.50 1% THD+N
0.25
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
POWER-SUPPLY REJECTION RATIO vs.
FREQUENCY
0
VRIPPLE = 200mVP-P
-10 VPVDD = 5.0V
-20
-30
-40
-50
-60
-70
-80
0.01
0.1 1 10
FREQUENCY (kHz)
100
COMMON-MODE REJECTION RATION vs.
FREQUENCY
0
INPUT REFERRED
-10
GAIN vs. FREQUENCY
20
-20 15
-30 AV = 12dB
-40 10 AV = 9dB
-50 AV = 6dB
-60 5 AV = 3dB
-70 0 AV = 0dB
-80
-90
0.01
0.1 1 10
FREQUENCY (kHz)
100
-5
0.01
0.1 1 10
FREQUENCY (kHz)
100
_______________________________________________________________________________________ 5
5 Page 
DataSheet.in
Mono 2.6W Class D Amplifier
Package Information
For the latest package outline information and land patterns, go to www.maxim-ic.com/packages. Note that a “+”, “#”, or “-” in the
package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing pertains to the
package regardless of RoHS status.
PACKAGE TYPE
8 TDFN-EP
9 WLP
PACKAGE CODE
T822+2
W91B1+7
OUTLINE No.
21-0168
21-0459
LAND PATTERN NO.
90-0065
—
PACKAGE OUTLINE
8L TDFN EXPOSED PAD, 2x2x0.80mm
21-0168
E
1
2
COMMON DIMENSIONS
SYMBOL MIN.
MAX.
A 0.70 0.80
D 1.90 2.10
E 1.90 2.10
A1 0.00 0.05
L 0.20 0.40
k 0.25 MIN.
A2 _____0_.2_0_R_E_F_. ___________________________________________________________________________ 11
PACKAGE VARIATIONS
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet MAX98300.PDF ] | |
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