MAX98400A 데이터 시트보기 (PDF) - Maxim Integrated
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MAX98400A Datasheet PDF : 26 Pages
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Stereo, High-Power, Class D Amplifiers
Absolute Maximum Ratings
PVDD to PGND......................................................-0.3V to +30V
VS to GND................................................................-0.3V to +6V
SHDN, MONO to GND.............................................-0.3V to +6V
IN_ to GND...............................................................-0.3V to +6V
G1, G2, RELEASE, TEMPLOCK,
LIM_TH to GND........................................ -0.3V to (VS + 0.3V)
OUT_ to PGND.......................................-0.3V to (VPVDD + 0.3V)
PGND to GND.......................................................-0.3V to +0.3V
Continuous Current into OUT_........................................... +2.4A
Continuous Current into PVDD, PGND.............................. +4.8A
Continuous Current into All Other Pins............................ +10mA
Duration of OUT_ Short Circuit to PVDD or PGND....Continuous
Duration of Short Circuit Between
OUT_+ and OUT_-.................................................Continuous
Continuous Power Dissipation (TA = +70NC)
36-Pin TQFN Multilayer Board
(derate 35.7mW/NC above +70NC)..........................2857.1mW
BJA (Note 1)..............................................................28NC/W
BJC (Note 1)...............................................................1NC/W
24-Pin TQFN Multilayer Board
(derate 27.8mW/NC above +70NC)..............................35.7mW
BJA (Note 1)..............................................................36NC/W
BJC (Note 1)...............................................................3NC/W
Junction Temperature......................................................+150NC
Operating Temperature Range........................... -40NC to +85NC
Storage Temperature Range............................ -65NC to +150NC
Lead Temperature (soldering, 10s).................................+300NC
Soldering Temperature (reflow).......................................+260NC
Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-
layer board. For detailed information on package thermal considerations, refer to www.maxim-ic.com/thermal-tutorial.
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
Electrical Characteristics
(VPVDD = 18V, CIN = 1FF, VSHDN = 5V, LIM_TH = VS, TEMPLOCK = unconnected; G1 = GND, G2 = open (gain = 20.1dB), CREL
= 1FF, C1 = C2 = 1FF, RL = J, AC measurement bandwidth 20Hz to 20kHz, differential input signal, TA = TMIN to TMAX, unless
otherwise noted. Typical values are at TA = +25NC.) (Notes 2, 3)
PARAMETER
SYMBOL
AMPLIFIER DC CHARACTERISTICS
PVDD Supply Voltage Range
VPVDD
VS Supply Input Voltage
VS
Quiescent Current
IPVDD
IVS
Single-Supply
Quiescent Current
IPVDD
Shutdown Current
PVDD Undervoltage Lockout
VS Regulator Output Voltage
INPUT STAGE
Differential Input Voltage Range
Single-Ended Input Voltage
Range
Common-Mode Rejection Ratio
Input Resistance
ISHDN_PVDD
ISHDN_VS
VUVLO
VS
CMRR
CONDITIONS
Inferred from PVDD_PSRR
Inferred from IVS test
Dual-supply mode:
VS = 4.75V, TA = +25NC
Single-supply mode:
TA = +25NC
RL = 8I (Note 3)
VSHDN = 0V, TA = +25NC,
VS = 5.5V
Differential VLIM_TH = 0V, gain = +35dB
MIN
8
4.75
4.2
20
TYP
10
6
16
17
8
3
7
4.47
60
32
MAX UNITS
28
V
5.5
V
15
mA
8.2
23
mA
20
FA
10
7.9
V
4.75
V
2
VRMS
1
VRMS
dB
kI
4
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