MAX98500EWE+T Maxim Integrated Products, MAX98500EWE+T Datasheet - Page 9

• Manufacturer Part Number: MAX98500EWE+T
• Description: IC AMP BOOST CLASS D 2.2W 16WLP
• Manufacturer: Maxim Integrated Products
• Type: Class Dr

Specifications of MAX98500EWE+T

• Output Type: 1-Channel (Mono)
• Max Output Power X Channels @ Load: 2.2W x 1 @ 8 Ohm
• Voltage - Supply: 2.5 V ~ 5.5 V
• Features: Depop, Differential Inputs, Short-Circuit and Thermal Protection, Shutdown
• Mounting Type: Surface Mount
• Package / Case: 16-WLP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

C2, D1
BUMP
C1
C3
C4
D2
D3
D4
A1
A2
A3
A4
B1
B2
B3
B4
_______________________________________________________________________________________
SPKPGND
BSTPGND
V
RKNEE
SDSPK
SDBST
NAME
AGND
PVDD
SPKN
CCOUT
SPKP
GAIN
V
INN
INP
LX
BAT
(BUMP SIDE DOWN)
TOP VIEW
Speaker Amplifier Power Supply. Bypass to SPKPGND with a 0.1mF capacitor.
Boost Converter Output. Connect a 22mF (0805) capacitor between V
BSTPGND.
Boost Switch Input
Boost Power Ground
Positive Speaker Output
Gain Select Input. Connect GAIN to ground to set the speaker gain to 6dB. Leave GAIN
unconnected to set the speaker gain to 15.5dB. Connect GAIN to V
gain to 20dB.
ALC Knee Voltage Set Input. Set the ALC knee voltage with a resistor to AGND.
Battery Voltage Input. Connect a 10mF (0805) capacitor between V
Include at least 22mF of system bulk capacitance.
Negative Speaker Output
Speaker Ground
Speaker Output Shutdown. Drive SDSPK low to shutdown the speaker output.
Analog Ground
Positive Audio Input
Negative Audio Input
Boost Converter Shutdown. Drive SDBST low to shutdown the boost converter and the
speaker output.
Boosted 2.2W Class D Amplifier
C
D
A
B
with Automatic Level Control
+
SPKPGND
PVDD
SPKP
SPKN
1
SPKPGND
V
GAIN
CCOUT
INP
MAX98500
2
WLP
RKNEE
SDSPK
INN
LX
3
BSTPGND
FUNCTION
SDBST
AGND
V
BAT
4
Pin Configuration
Pin Description
BAT
BAT
CCOUT
and BSTPGND.
to set the speaker
and
9