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PAM8902H Datasheet(PDF) 4 Page - Diodes Incorporated

Part # PAM8902H
Description  30 VPP MONO CLASS-D AUDIO AMPLIFIER FOR PIEZO/CERAMIC SPEAKERS
PDF  12 Pages
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Manufacturer  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

PAM8902H Datasheet(HTML) 4 Page - Diodes Incorporated

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PAM8902H
Document number: DSxxxxx Rev. 1 - 0
4 of 12
www.diodes.com
December 2012
© Diodes Incorporated
PAM8902H
A Product Line of
Diodes Incorporated
Thermal Information
Parameter
Symbol
Package
Maximum
Unit
Thermal Resistance
(Junction to Ambient)
θJA
CSP
90
°C/W
QFN4x4-16
52
Thermal Resistance
(Junction to Case)
θJC
CSP
72
°C/W
QFN4x4-16
30
Electrical Characteristics (@TA = +25°C, VDD = 3.6V, CL = 1µF, VSET Float, unless otherwise specified.)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VDD
Input Voltage
2.5
5.5
V
IQ
Quiescent Current
EN > 1.2V, VSET = High
30
48
mA
EN > 1.2V, VSET = Floating
10
18
EN > 1.2V, VSET = GND
5
12
ISD
Shutdown Current
EN = 0V
0.1
1.0
µA
TWU
Wake-Up Time
EN From Low to High
40
mS
VEH
Chip Enable
1.2
V
VEL
Chip Disable
0.4
VH
GSET/VSET High
VDD -0.5
VDD
V
VF
GSET/VSET Floating
1
VDD -1
VL
GSET/VSET Low
0
0.5
UVLO
Under Voltage Lockout Threshold
VDD From High to Low
2.2
V
UVLOH
Under Voltage Lockout Hysteresis
VDD From Low to High
0.2
OTP
Thermal Shutdown Threshold
150
°C
OTPH
Thermal Shutdown Lockout Hysteresis
30
°C
Boost Converter
VO1
Output Voltage
VSET = GND, No Load
7.2
8.0
8.8
V
VO2
VSET = NC, No Load
10.8
12.0
13.2
V
VO3
VSET = AVDD, No Load
16
17.5
19
V
CL
Current Limit
Average Input Current
1.0
A
RLS
Low Side MOSFET RDS(ON)
IO = 50mA
0.5
Ω
fOSCB
Boost Switching Frequency
1.1
1.5
1.9
MHz
Class-D
fOSCD
Class-D Amplifier Switching Frequency
Input AC-GND
225
375
475
KHz
CMRR
Common Mode Reject Ratio
VIN = ±100mV, VDD = 3.6V
60
dB
VOS
Output Offset Voltage
Output Offset Voltage
5
50
mV
RP
RDS(ON)
High Side
1.5
Ω
Low Side
0.6
Ω
AV1
Closed-Loop Voltage Gain
GSET = AVDD, VO = 1VRMS
32.5
dB
AV2
GSET = AVDD, VO = 1VRMS
26
AV3
GSET = AVDD, VO = 1VRMS
21
PSRR
Power Supply Reject Ratio
200m VPP Supply Ripple @ 217Hz
70
dB
THD+N
Total Harmonice Distortion Plus Noise
VO = 5VRMS
0.3
%
SNR
Signal to Noise Ratio
Input AC Ground, A-Weighting
90
dB



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