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MAX9777 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Stereo 3W Audio Power Amplifiers - Maxim Integrated Products

भाग संख्या MAX9777
समारोह Stereo 3W Audio Power Amplifiers
मैन्युफैक्चरर्स Maxim Integrated Products 
लोगो Maxim Integrated Products लोगो 
पूर्व दर्शन
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<?=MAX9777?> डेटा पत्रक पीडीएफ

MAX9777 pdf
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Stereo 3W Audio Power Amplifiers with
Headphone Drive and Input Mux
ABSOLUTE MAXIMUM RATINGS
VDD to GND ...........................................................................+6V
PVDD to VDD .......................................................................±0.3V
PGND to GND.....................................................................±0.3V
All Other Pins to GND.................................-0.3V to (VDD + 0.3V)
Continuous Input Current (into any pin except power-supply
and output pins) ...............................................................±20mA
OUT__ Short Circuit to GND, VDD ..........................................10s
Short Circuit Between OUT_+ and OUT_- .................Continuous
Continuous Power Dissipation (TA = +70°C)
28-Pin TQFN, Multilayer Board
(derate 34.5mW/°C above +70°C) ..........................2758.6mW
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Junction Temperature ......................................................+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 = 5.0V, GND = PGND = 0V, VSHDN = 5V, CBIAS = 1µF, RIN = RF = 15k, RL = . TA = TMIN to TMAX, unless otherwise
noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Supply Voltage Range
VDD/PVDD Inferred from PSRR test
4.5 5.5 V
Quiescent Supply Current
(IVDD + IPVDD)
Shutdown Current
Switching Time
Turn-On Time
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
IDD
ISHDN
tSW
tON
BTL mode, HPS = 0V, MAX9777/MAX9778
Single-ended mode, HPS = VDD
SHDN = GND
Gain or input switching
CBIAS = 1µF
CBIAS = 0.1µF
13
7
10
10
300
30
+160
15
32
18
50
mA
µA
µs
ms
oC
oC
OUTPUT AMPLIFIERS (SPEAKER MODE, HPS = GND)
Output Offset Voltage
Power-Supply Rejection Ratio
(Note 2)
Output Power
Total Harmonic Distortion Plus
Noise
Signal-to-Noise Ratio
Slew Rate
VOS
PSRR
POUT
THD+N
SNR
SR
OUT_+ - OUT_-, AV = 1V/V
VDD = 4.5V to 5.5V
f = 1kHz, VRIPPLE = 200mVP-P
f = 20kHz, VRIPPLE = 200mVP-P
fIN = 1kHz,
THD+N < 1%,
TA = +25°C
RL = 8
RL = 4
RL = 3
fIN = 1kHz, BW =
22Hz to 22kHz
POUT = 1W, RL = 8
POUT = 2W, RL = 4
RL = 8, POUT = 1W, BW = 22Hz to 22kHz
±4 ±32 mV
75 100
82 dB
70
1.4
2.6 W
3
0.005
0.01
%
95 dB
1.6 V/µs
Maximum Capacitive Load Drive CL No sustained oscillations
Crosstalk
fIN = 10kHz
1 nF
73 dB
Click/Pop Level
Peak voltage, A-weighted, Into shutdown
KCP 32 samples per second
(Notes 2, 6)
Out of shutdown
-50
-65
dBV
2 _______________________________________________________________________________________

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