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MAX9770 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - 1.2W Low-EMI / Filterless / Mono Class D Amplifier - Maxim

भाग संख्या MAX9770
समारोह 1.2W Low-EMI / Filterless / Mono Class D Amplifier
मैन्युफैक्चरर्स Maxim 
लोगो Maxim लोगो 
पूर्व दर्शन
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<?=MAX9770?> डेटा पत्रक पीडीएफ

MAX9770 pdf
1.2W, Low-EMI, Filterless, Mono Class D Amplifier
with Stereo DirectDrive Headphone Amplifiers
ABSOLUTE MAXIMUM RATINGS
GND to PGND to CPGND......................................-0.3V to +0.3V
VDD to PVDD to CPVDD..........................................-0.3V to +0.3V
VDD to GND ...........................................................................+6V
PVDD to PGND .......................................................................+6V
CPVDD to CPGND..................................................................+6V
CPVSS to CPGND....................................................................-6V
SVSS to GND ...........................................................................-6V
C1N..........................................(PVSS - 0.3V) to (CPGND + 0.3V)
HPOUT_ to GND ....................................................................±3V
All Other Pins to GND.................................-0.3V to (VDD + 0.3V)
Continuous Current Into/Out of:
PVDD, PGND, OUT_ ......................................................600mA
PVSS ..............................................................................260mA
Duration of HPOUT_ Short Circuit to VDD, PVDD,
GND, PGND ...........................................................Continuous
Duration of Short Circuit Between
HPOUTL and HPOUTR ..........................................Continuous
Duration of OUT_ Short Circuit to VDD, PVDD, GND, PGND ..10s
Duration of Short Circuit Between OUT+ and OUT-...............10s
Continuous Power Dissipation (TA = +70°C)
28-Pin TQFN (derate 20.8mW/°C above +70°C) .......1667mW
28-Pin TSSOP (derate 12.8mW°C above +70°C) ......1026mW
Junction Temperature ......................................................+150°C
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
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
(VDD = PVDD = CPVDD = 3.3V, GND = PGND = CPGND = 0V, SHDN = 3.3V, C1 = C2 = 1µF, CBIAS = 0.047µF, SYNC = GND, RL = ,
speaker load connected between OUT+ and OUT-, headphone load connected between HPOUT_ and GND, TA = TMIN to TMAX,
unless otherwise noted. Typical values are at TA = +25°C.) (Notes 1, 2)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
GENERAL
Supply Voltage Range
Quiescent Supply Current
Shutdown Supply Current
Shutdown to Full Operation
Input Impedance
VDD
IDD
ISHDN
tON
RIN
Inferred from PSRR test
No load
Headphone mode
Speaker mode
SHDN = HPS = GND
(Note 3)
MONO
INL_, INR_
2.5 5.5 V
5.5 10
mA
5.2 7.5
0.1 10 µA
50 ms
7 10
14 20
kΩ
Bias Voltage
VBIAS
1.1 1.25 1.4 V
Feedthrough
From any unselected input to any output,
f = 10kHz
70 dB
SPEAKER AMPLIFIER (GAIN1 = GAIN2 = VDD, HPS = GND)
Output Offset Voltage
VOS
±15 ±70 mV
Power-Supply Rejection Ratio
Output Power
PSRR
POUT
VDD = 2.5V to 5.5V,
TA = +25°C
(Note 4) VRIPPLE = 200mVP-P, f = 217Hz
VRIPPLE = 200mVP-P, f = 1kHz
VRIPPLE = 200mVP-P, f = 20kHz
f = 1kHz,
THD+N = 1%,
GAIN1 = 1,
GAIN2 = 0
VDD = 3.3V
VDD = 5V
RL = 8Ω
RL = 4Ω
RL = 8Ω
50
70
70
68
50
550
900
1200
dB
mW
2 _______________________________________________________________________________________

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डाउनलोड[ MAX9770 Datasheet.PDF ]


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