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MAX9768 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - 10W Mono Class D Speaker Amplifier - Maxim Integrated Products

भाग संख्या MAX9768
समारोह 10W Mono Class D Speaker Amplifier
मैन्युफैक्चरर्स Maxim Integrated Products 
लोगो Maxim Integrated Products लोगो 
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<?=MAX9768?> डेटा पत्रक पीडीएफ

MAX9768 pdf
MAX9768
10W Mono Class D Speaker
Amplifier with Volume Control
Absolute Maximum Ratings
PVDD to PGND.......................................................-0.3V to +16V
VDD to GND.............................................................-0.3V to +4V
SCLK, SDA/VOL to GND.........................................-0.3V to +4V
FB, SYNCOUT.......................................... -0.3V to (VDD + 0.3V)
BOOT_ to OUT_......................................................-0.3V to +4V
OUT_ to GND..........................................-0.3V to (PVDD + 0.3V)
PGND to GND.......................................................-0.3V to +0.3V
Any Other Pin to GND..............................................-0.3V to +4V
OUT_ Short-Circuit Duration......................................Continuous
Continuous Current (PVDD, PGND, OUT_)..........................2.2A
Continuous Input Current (Any Other Pin)........................±20mA
Continuous Input Current (FB_)........................................±60mA
Continuous Power Dissipation (TA = +70°C)
Single-Layer Board:
24-Pin Thin QFN 4mm x 4mm,
(derate 20.8mW/°C above +70°C).................................1.67W
Multilayer Board:
24-Pin Thin QFN 4mm x 4mm,
(derate 27.8mW/°C above +70°C).................................2.22W
θJA, Single-Layer Board...................................................48°C/W
θJA, Multilayer Board........................................................36°C/W
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
(PVDD = 12V, VDD = 3.3V, VGND = VPGND = 0, VSHDN = VDD, VMUTE = 0; Max volume setting; speaker load resistor connected
between OUT+ and OUT-, RL = ∞, unless otherwise noted. CBIAS = 2.2μF, C1 = C2 = 0.1μF, CIN = 0.47μF, RIN = 20kΩ, RF = 30kΩ,
SSM mode. Filterless modulation mode (see the Functional Diagram/Typical Application Circuit). TA = TMIN to TMAX, unless otherwise
noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
GENERAL
Speaker Supply Voltage
Range
PVDD Inferred from PSRR test
4.5
14.0
V
Supply Voltage Range
Quiescent Current
VDD
IVDD
IPVDD
Inferred from PSRR and UVLO test
Filterless modulation
Classic PWM modulation
2.7 3.6 V
7 14.2
4 7.6 mA
4 7.6
Shutdown Current
Output Offset
Turn-On Time
ISHDN
VOS
tON
ISHDN = IPVDD + IDD, SHDN = GND, TA = +25°C
Filterless modulation, VMUTE = VDD, TA = +25°C
Filterless modulation, VMUTE = 0V, TA = +25°C
MAX9768
MAX9768B
0.5 50
±2 ±12.5
±2 ±14
220
15
µA
mV
ms
Common-Mode Bias Voltage
Input Amplifier Output-
Voltage Swing High
Input Amplifier Output-
Voltage Swing Low
Input Amplifier Output
Short-Circuit Current Limit
VBIAS
VOH
VOL
Specified as
VDD - VOH
Specified as
VOL - GND
RL = 2kΩ connect to 1.5V
RL = 2kΩ connect to 1.5V
1.5
3.6 100
6 50
±60
V
mV
mV
mA
Input Amplifier Gain-
Bandwidth Product
GBW
1.8 MHz
SPEAKER AMPLIFIERS
Internal Gain
AVMAX
Max volume setting; from FB to amplifier outputs
|(OUT+) - (OUT-)|; excludes external gain resistors
29.27
30.1
31.00
dB
www.maximintegrated.com
Maxim Integrated 2

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