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MAX9789 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Windows Vista-Compliant Stereo Class AB Speaker Amplifiers and DirectDrive Headphone Amplifiers - Maxim Integrated Products

भाग संख्या MAX9789
समारोह Windows Vista-Compliant Stereo Class AB Speaker Amplifiers and DirectDrive Headphone Amplifiers
मैन्युफैक्चरर्स Maxim Integrated Products 
लोगो Maxim Integrated Products लोगो 
पूर्व दर्शन
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<?=MAX9789?> डेटा पत्रक पीडीएफ

MAX9789 pdf
www.DataSheet4U.com
Windows Vista-Compliant, Stereo Class AB Speaker
Amplifiers and DirectDrive Headphone Amplifiers
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (VDD, PVDD, HPVDD,
CPVDD to GND) ..................................................-0.3V to +6.0V
GND to PGND, CPGND ......................................................±0.3V
CPVSS, C1N, VSS to GND......................................-6.0V to +0.3V
HPR, HPL to GND ...............................................................±3.0V
Any Other Pin .............................................-0.3V to (VDD + 0.3V)
Duration of OUT_+, OUT_- Short Circuit
to GND or PVDD ......................................................Continuous
Duration of Short Circuit between OUT_+, OUT_-
and LDO_OUT.........................................................Continuous
Duration of Short Circuit between HPR, HPL and GND,
VSS or HPVDD..........................................................Continuous
Continuous Current (PVDD, OUT_+, OUT_-, PGND).............1.7A
Continuous Current (CPVDD, C1N, C1P, CPVSS, PVSS,
VDD, HPVDD, LDO_OUT, HPR, HPL) .............................850mA
Continuous Input Current (all other pins) .........................±20mA
Continuous Power Dissipation (TA = +70°C)
32-Pin Thin QFN Single-Layer Board
(derate 18.6mW/°C above +70°C) ..............................1489mW
θJA ...........................................................................53.7°C/W
θJC...........................................................................19.9°C/W
32-Pin Thin QFN Multilayer Board
(derate 24.9 mW/°C above +70°C) .............................1990mW
θJA ...........................................................................40.2°C/W
θJC...........................................................................19.9°C/W
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
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
(VDD = PVDD = CPVDD = HPVDD = HP_EN = VLDO_EN (MAX9789 only) = +5V, VGND = VPGND = VCPGND = SPKR_EN = VLDO_SET
(MAX9789 only) = 0V, ILDO_OUT (MAX9789 only) = 0, C1 = C2 = CBIAS = 1µF. RL = , unless otherwise specified, VGAIN1 = 0,
VGAIN2 = 5V (AVSP = 10dB, AVHP = 3.5dB), TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2)
PARAMETER
GENERAL
Supply Voltage
Headphone Supply Voltage
Quiescent Current
Shutdown Current
Bias Voltage
Shutdown to Full Operation
Gain Switching Time
Channel-to-Channel Gain
Tracking
SPEAKER AMPLIFIER
Output Power
Total Harmonic Distortion Plus
Noise
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
VDD, PVDD
Guaranteed by PSRR and LDO Line
Regulation Tests
CPVDD,
HPVDD
Guaranteed by PSRR Test
SPKR_EN
HP_EN
1 (MAX9789)
0 (MAX9789)
1 (MAX9790)
0 (MAX9790)
IDD 1
1
00
ISHDN
01
SPKR_EN = VDD, HP_EN = LDO_EN = GND
VBIAS
tSON
MAX9789A/MAX9789C/MAX9790A
MAX9789B/MAX9790B
tSW
4.5
3.0
1.7
0.1
0.3
7
14
18
0.3
1.8
100
25
10
±0.1
5.5
5.5
0.4
6
13
29
40
6
1.9
V
V
mA
µA
mA
µA
V
ms
µs
dB
POUT
THD+N
THD+N = 1%, f = 1kHz,
TA = +25°C
RL = 8Ω, POUT = 1W, f = 1kHz
RL = 4Ω, POUT = 1W, f = 1kHz
RL = 4Ω
RL = 8Ω
2
1
0.002
0.004
W
%
2 _______________________________________________________________________________________

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