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Partno	Mfg	Dc	Qty	Available	Descript
MAX4364ESA+	MAXIM	N/a	2600	avai	1.4W and 1W, Ultra-Small, Audio Power Amplifiers with Shutdown
MAX4364ESA+T |MAX4364ESAT	MAXIM	N/a	3340	avai	1.4W and 1W, Ultra-Small, Audio Power Amplifiers with Shutdown
MAX4365ETA+ |MAX4365ETA	MAXIM	N/a	105	avai	1.4W and 1W, Ultra-Small, Audio Power Amplifiers with Shutdown
MAX4365ETA+T |MAX4365ETAT	MAXIM	N/a	1914	avai	1.4W and 1W, Ultra-Small, Audio Power Amplifiers with Shutdown
MAX4365ETA-T |MAX4365ETAT	MAX	N/a	1872	avai	1.4W and 1W, Ultra-Small, Audio Power Amplifiers with Shutdown

MAX4364ESA+T ,1.4W and 1W, Ultra-Small, Audio Power Amplifiers with ShutdownMAX4364/MAX436519-2387; Rev 4; 5/111.4W and 1W, Ultra-Small, Audio PowerAmplifiers with Shutdown
MAX4365ETA+ ,1.4W and 1W, Ultra-Small, Audio Power Amplifiers with ShutdownFeaturesThe MAX4364/MAX4365 are bridged audio power♦ 1.4W into 8Ω Load (MAX4364)amplifiers intended ..
MAX4365ETA+T ,1.4W and 1W, Ultra-Small, Audio Power Amplifiers with ShutdownELECTRICAL CHARACTERISTICS—5V(V = 5V, R = ∞, C = 1µF to GND, V = V , T = +25°C, unless otherwise no ..
MAX4365ETA-T ,1.4W and 1W, Ultra-Small, Audio Power Amplifiers with ShutdownApplicationsMARKMAX4364ESA+ -40°C to +85°C 8 SO —Cellular PhonesMAX4365EUA+ -40°C to +85°C 8 µMAX — ..
MAX4365EUA ,1.4W and 1W / Ultra-Small / Audio Power Amplifiers with ShutdownFeaturesThe MAX4364/MAX4365 are bridged audio power 1.4W into 8Ω Load (MAX4364)amplifiers intended ..
MAX4366EUA+ ,330mW, Ultra-Small, Audio Power Amplifiers with ShutdownApplicationsMAX4366EBL-T -40°C to +85°C 8 UCSP-8 AAKCellular PhonesMAX4366EKA-T -40°C to +85°C 8 SO ..
MAX815TCSA-T ,±1% Accuracy, Low-Power, +3V and +5V µP Supervisory CircuitsMAX814/MAX815/MAX81619-0412; Rev 1; 12/05±1% Accuracy, Low-Power, +3V and +5V µP Supervisory Circui ..
MAX815TESA ,+-1% accuracy, low-power, microprocessor supervisory circuit. Reset trip threshold (min) 3.00V (max) 3.06V, push-pull active-low reset output, manual reset, power-fail monitor, watchdog circuit.FeaturesThe MAX814/MAX815/MAX816 are high-accuracy' ±1% Worst-Case Reset Threshold Accuracymicropro ..
MAX815TESA+ ,±1% Accuracy, Low-Power, +3V and +5V µP Supervisory CircuitsELECTRICAL CHARACTERISTICS, +5V Parts (MAX814/MAX815K, L, N)(V = 4.85V to 5.5V for MAX814K/MAX815K, ..
MAX815TESA+T ,±1% Accuracy, Low-Power, +3V and +5V µP Supervisory Circuitsfeatures.♦ ±2% Power-Fail Comparator♦ Independent Watchdog with 1.56sec Timeout_Selector Table(MAX8 ..
MAX816CPA ,【1% Accuracy, Low-Power, +3V and +5V レP Supervisory CircuitsELECTRICAL CHARACTERISTICS, +5V Parts (MAX814/MAX815K, L, N)(VCC = 4.85V to 5.5V for MAX814K/MAX815 ..
MAX816CSA ,【1% Accuracy, Low-Power, +3V and +5V レP Supervisory CircuitsFeaturesThe MAX814/MAX815/MAX816 are high-accuracy' ±1% Worst-Case Reset Threshold Accuracymicropro ..

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MAX4364ESA+-MAX4364ESA+T-MAX4365ETA+-MAX4365ETA+T-MAX4365ETA-T
1.4W and 1W, Ultra-Small, Audio Power Amplifiers with Shutdown
General Description
The MAX4364/MAX4365 are bridged audio power
amplifiers intended for portable audio devices with
internal speakers. The MAX4364 is capable of deliver-
ing 1.4W from a single 5V supply and 500mW from a
single 3V supply into an 8Ωload. The MAX4365 is
capable of delivering 1W from a single 5V supply and
450mW from a single 3V supply into an 8Ωload. The
MAX4364/MAX4365 feature 0.04% THD+N at 1kHz,
68dB PSRR at 217Hz, and only 10nA of supply current
in shutdown mode.
The MAX4364/MAX4365 bridged outputs eliminate the
need for output-coupling capacitors, minimizing exter-
nal component count. The MAX4364/MAX4365 also
include internal DC bias generation, clickless operation,
short-circuit and thermal-overload protection. Both
devices are unity-gain stable, with the gain set by two
external resistors.
The MAX4364 is available in a small 8-pin SO package.
The MAX4365 is available in tiny 8-pin TDFN (3mm ✕
3mm ✕0.8mm) and µMAX®packages.
Applications
Cellular Phones
PDAs
Two-Way Radios
General-Purpose Audio
Features1.4W into 8ΩLoad (MAX4364)1W into 8ΩLoad (MAX4365)0.04% THD+N at 1kHz68dB PSRR at 217Hz2.7V to 5.5V Single-Supply Operation5mA Supply CurrentLow-Power, 10nA Shutdown ModePin Compatible with the LM4861/LM4862/LM4864
(MAX4364)Clickless Power-Up and ShutdownThermal-Overload and Short-Circuit ProtectionAvailable in TDFN, µMAX, and SO Packages
MAX4364/MAX4365
1.4W and 1W, Ultra-Small, Audio Power
Amplifiers with Shutdown
Ordering Information
19-2387; Rev 4; 5/11
PARTTEMP RANGEPIN-PACKAGETOP
MARK
MAX4364ESA+-40°C to +85°C8 SO—
MAX4365EUA+-40°C to +85°C8 µMAX—
MAX4365ETA+-40°C to +85°C8 TDFN-EP*ACD
VCC
VCC
OUT-
IN-
IN+
BIAS
CBIAS
CINRIN
50kΩ
50kΩ
10kΩ
10kΩ
AUDIO
INPUT
CLICKLESS/POPLESS
SHUTDOWN CONTROL
GND
SHDN
OUT+
MAX4364
Typical Application Circuit/Functional Diagram
Pin Configurations appear at end of data sheet.
*EP = Exposed pad.
+Denotes a lead(Pb)-free/RoHS-compliant package.
µMAX is a registered trademark of Maxim Integrated Products, Inc.
MAX4364/MAX4365
1.4W and 1W, Ultra-Small, Audio Power
Amplifiers with Shutdown
ABSOLUTE MAXIMUM RATINGS
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.
VCC, OUT_ to GND...................................................-0.3V to +6V
IN+, IN-, BIAS, SHDN to GND....................-0.3V to (VCC+ 0.3V)
Output Short Circuit (OUT+ to OUT-) (Note 1)...........Continuous
Continuous Power Dissipation (TA= +70°C)
8-Pin µMAX (derate 4.8mW/°C above +70°C)..............388mW
8-Pin TDFN (derate 24.4mW/°C above +70°C)..........1951mW
8-Pin SO (derate 7.8mW/°C above +70°C)...................623mW
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
Soldering Temperature (reflow).......................................+260°C
ELECTRICAL CHARACTERISTICS—5V
(VCC= 5V, RL= ∞, CBIAS= 1µF to GND, VSHDN= VGND, TA= +25°C, unless otherwise noted.) (Note 3)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
Supply Voltage RangeVCCInferred from PSRR test2.75.5V
MAX4364713AX 4364, TA = TM IN to TM AX 17AX 436558Supply CurrentICC(Note 4)AX 4365, TA = TM IN to TM AX 11
Shutdown Supply CurrentISHDNVSHDN = VCC0.014µA
TA = +25°CVCC x
VIH
TA = -40°C to +85°C
(Note 5)
VCC x
TA = +25°CVCC x
SHDN Threshold
VIL
TA = -40°C to +85°C
(Note 5)
VCC x
Common-Mode Bias VoltageVBIAS(Note 6)VCC/2 -VCC/2VCC/2
+ 5%V
Output Offset VoltageVOSIN- = OUT+, IN+ = BIAS (Note 7)±1±10mV
VCC = 2.7V to 5.5VDC5575
217Hz68Power-Supply Rejection RatioPSRRVRIPPLE = 200mVP-P,
RL = 8Ω1kHz58
MAX436412001400RL = 8Ω, THD+N = 1%,
Note 1:Continuous power dissipation must also be observed.
PACKAGE THERMAL CHARACTERISTICS (Note 2)
Note 2: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 /thermal-tutorial.
µMAX
Junction-to-Ambient Thermal Resistance (θJA)......206.3°C/W
Junction-to-Case Thermal Resistance (θJC)................42°C/W
TDFN
Junction-to-Ambient Thermal Resistance (θJA)...........41°C/W
Junction-to-Case Thermal Resistance (θJC)..................8°C/W
Junction-to-Ambient Thermal Resistance (θJA)......128.4°C/W
Junction-to-Case Thermal Resistance (θJC)................36°C/W
MAX4364/MAX4365
1.4W and 1W, Ultra-Small, Audio Power
Amplifiers with Shutdown
ELECTRICAL CHARACTERISTICS—3V
(VCC= 3V, RL= ∞, CBIAS= 1µF to GND, VSHDN= VGND, TA= +25°C, unless otherwise noted.) (Note 3)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
MAX43646Supply CurrentICC(Note 4)MAX43654.5mA
Shutdown Supply CurrentISHDNVSHDN = VCC10nA
MAX4364400500
Output PowerPOUT
RL = 8Ω, THD+N =
1%, fIN = 1kHz
(Note 8)MAX4365350450
MAX4364,
POUT = 400mW0.05
Total Harmonic Distortion Plus
NoiseTHD + NAV = -2V/V, RL = 8Ω,
fIN = 1kHz (Notes 5, 9)MAX4365,
POUT = 400mW0.08
Note 3:All specifications are 100% tested at TA= +25°C.
Note 4:Quiescent power-supply current is specified and tested with no load on the outputs. Quiescent power-supply current
depends on the offset voltage when a practical load is connected to the amplifier.
Note 5:Guaranteed by design, not production tested.
Note 6:Common-mode bias voltage is the voltage on BIAS and is nominally VCC/2.
Note 7:Maximum differential-output offset voltage is tested in a unity-gain configuration. VOS= VOUT+- VOUT-.
Note 8:Output power is specified by a combination of a functional output-current test, and characterization analysis.
Note 9:Measurement bandwidth for THD+N is 22Hz to 22kHz.
Note 10:Extended short-circuit conditions result in a pulsed output.
ELECTRICAL CHARACTERISTICS—5V (continued)
(VCC= 5V, RL= ∞, CBIAS= 1µF to GND, VSHDN= VGND, TA= +25°C, unless otherwise noted.) (Note 3)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
MAX4364,
POUT = 1W0.04
Total Harmonic Distortion Plus
NoiseTHD+NAV = -2V/V, RL = 8Ω,
fIN = 1kHz (Notes 5, 9)MAX4365,
POUT = 750mW0.1
NoisefIN = 10kHz, BW = 22Hz to 22kHz12µVRMS
Short-Circuit CurrentISCOUT+ to OUT- (Note 10)600mA
Thermal Shutdown Threshold160oC
Thermal Shutdown Hysteresis15oC
TA = +25°C50
Power-Up TimetPUCBIAS = 0.22µF, TA = -40°C to +85°C
(Note 5)1435ms
Shutdown TimetSHDN10µs
TA = +25°C50
Enable Time from ShutdowntENABLECBIAS = 0.22µF, TA = -40°C to +85°C
(Note 5)1235ms
MAX4364/MAX4365
1.4W and 1W, Ultra-Small, Audio Power
Amplifiers with Shutdown
MAX4364 toc09
THD+N (%)
VCC = 3V
AV = 2V/V
RL = 8Ω
20kHz
20Hz1kHz
MAX4364
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX4364 toc08
THD+N (%)
VCC = 5V
AV = 4V/V
RL = 8Ω
20Hz
20kHz
1kHz
MAX4364
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX4364
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX4364 toc07
THD+N (%)
VCC = 5V
AV = 2V/V
RL = 8Ω
20kHz
1kHz
20Hz
MAX4364 toc06
FREQUENCY (Hz)
THD+N (%)
1001k
010k
VCC = 3V
AV = 20V/V
RL = 8Ω
0.25W
0.4W
MAX4364
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX4364 toc05
FREQUENCY (Hz)
THD+N (%)
1001k
010k
VCC = 3V
AV = 4V/V
RL = 8Ω
0.25W
0.4W
MAX4364
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX4364 toc04
FREQUENCY (Hz)
THD+N (%)
1001k
010k
VCC = 3V
AV = 2V/V
RL = 8Ω
0.25W
0.4W
MAX4364
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX4364
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX4364 toc01
FREQUENCY (Hz)
THD+N (%)
1001k
010k
VCC = 5V
AV = 2V/V
RL = 8Ω
0.25W
0.5W
MAX4364 toc02
FREQUENCY (Hz)
THD+N (%)
1001k
010k
VCC = 5V
AV = 4V/V
RL = 8Ω
0.25W
0.5W
MAX4364
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX4364 toc03
FREQUENCY (Hz)
THD+N (%)
1001k
010k
VCC = 5V
AV = 20V/V
RL = 8Ω
0.25W
0.5W1W
MAX4364
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
Typical Operating Characteristics
(VCC= 5V, THD+N measurement bandwidth = 22Hz to 22kHz, TA= +25°C, unless otherwise noted.)
MAX4364/MAX4365
1.4W and 1W, Ultra-Small, Audio Power
Amplifiers with Shutdownypical Operating Characteristics (continued)
(VCC= 5V, THD+N measurement bandwidth = 22Hz to 22kHz, TA= +25°C, unless otherwise noted.)
MAX4364
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX4364 toc18
SUPPLY CURRENT (nA)
MAX4364
SUPPLY CURRENT vs. TEMPERATURE
MAX4364 toc17
SUPPLY CURRENT (mA)10-15
VCC = 5V
MAX4364
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX4364 toc16
SUPPLY CURRENT (mA)
MAX4364
POWER DISSIPATION vs. OUTPUT POWER
MAX4364 toc15
OUTPUT POWER (mW)
POWER DISSIPATION (mW)
VCC = 3V
fIN = 1kHz
RL = 8Ω
MAX4364
POWER DISSIPATION vs. OUTPUT POWER
MAX4364 toc14
OUTPUT POWER (mW)
POWER DISSIPATION (mW)
VCC = 5V
fIN = 1kHz
RL = 8Ω
MAX4364
OUTPUT POWER vs. LOAD RESISTANCE
MAX4364 toc13
LOAD RESISTANCE (Ω)
OUTPUT POWER (mW)2010
VCC = 3V
fIN = 1kHz
10% THD+N
1% THD+N
MAX4364
OUTPUT POWER vs. LOAD RESISTANCE
LOAD RESISTANCE (Ω)
OUTPUT POWER (mW)2010
VCC = 5V
fIN = 1kHz
10% THD+N
1% THD+N
MAX4364
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX4364 toc11
SUPPLY VOLTAGE (V)
OUTPUT POWER (mW)
RL = 8Ω
fIN = 1kHz
1% THD+N
10% THD+N
MAX4364 toc10
OUTPUT POWER (mW)
THD+N (%)
VCC = 3V
AV = 4V/V
RL = 8Ω
20kHz
20Hz1kHz
MAX4364
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX4364/MAX4365
1.4W and 1W, Ultra-Small, Audio Power
Amplifiers with Shutdown
Typical Operating Characteristics (continued)
(VCC= 5V, THD+N measurement bandwidth = 22Hz to 22kHz, TA= +25°C, unless otherwise noted.)
MAX4364 toc27
THD+N (%)
VCC = 5V
AV = 4V/V
RL = 8Ω
20kHz
20Hz
1kHz
MAX4365
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX4364 toc24
MAX4365
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
FREQUENCY (Hz)
THD+N (%)
1001k
010k
VCC = 3V
AV = 4V/V
RL = 8Ω
0.25W
0.4W
MAX4365
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX4364 toc23
FREQUENCY (Hz)
THD+N (%)
1001k
010k
VCC = 3V
AV = 2V/V
RL = 8Ω
0.25W
0.4W
MAX4364 toc22
FREQUENCY (Hz)
THD+N (%)
1001k
010k
VCC = 5V
AV = 20V/V
RL = 8Ω
0.25W0.5W
0.75W
MAX4365
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX4364 toc26
THD+N (%)
VCC = 5V
AV = 2V/V
RL = 8Ω
20kHz
20Hz
1kHz
MAX4365
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX4364 toc25
THD+N (%)
1001k
010k
VCC = 3V
AV = 20V/V
RL = 8Ω
0.25W
0.4W
MAX4365
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX4364 toc21
FREQUENCY (Hz)
THD+N (%)
1001k
010k
VCC = 5V
AV = 4V/V
RL = 8Ω
0.25W
0.5W
0.75W
MAX4365
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX4365
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX4364 toc20
FREQUENCY (Hz)
THD+N (%)
1001k
010k
VCC = 5V
AV = 2V/V
RL = 8Ω
0.25W
0.5W
0.75W
MAX4364
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
MAX4364 toc19
TEMPERATURE (°C)
SUPPLY CURRENT (nA)10-15
VCC = 5V
MAX4364/MAX4365
1.4W and 1W, Ultra-Small, Audio Power
Amplifiers with Shutdown
Typical Operating Characteristics (continued)
(VCC= 5V, THD+N measurement bandwidth = 22Hz to 22kHz, TA= +25°C, unless otherwise noted.)
MAX4365
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX4364 toc35
SUPPLY CURRENT (mA)
MAX4365
POWER DISSIPATION vs. OUTPUT POWER
MAX4364 toc34
POWER DISSIPATION (mW)
VCC = 3V
RL = 8Ω
fIN = 1kHz
MAX4365
POWER DISSIPATION vs. OUTPUT POWER
MAX4364 toc33
OUTPUT POWER (mW)
POWER DISSIPATION (mW)
VCC = 5V
RL = 8Ω
fIN = 1kHz
MAX4365
OUTPUT POWER vs. LOAD RESISTANCE
MAX4364 toc32
LOAD RESISTANCE (Ω)
OUTPUT POWER (mW)2010
10% THD+N
1% THD+N
VCC = 3V
fIN = 1kHz
MAX4365
OUTPUT POWER vs. LOAD RESISTANCE
MAX4364 toc31
LOAD RESISTANCE (Ω)
OUTPUT POWER (mW)2010
VCC = 5V
fIN = 1kHz
MAX4365
SUPPLY CURRENT vs. TEMPERATURE
MAX4364 toc36
SUPPLY CURRENT (mA)
VCC = 5V
MAX4365
OUTPUT POWER vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
OUTPUT POWER (mW)
RL = 8Ω
fIN = 1kHz
1% THD+N
10% THD+N
MAX4364 toc29
OUTPUT POWER (mW)
THD+N (%)
VCC = 3V
AV = 4V/V
RL = 8Ω
20kHz
20Hz
1kHz
MAX4365
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX4364 toc28
OUTPUT POWER (mW)
THD+N (%)
VCC = 3V
AV = 2V/V
RL = 8Ω
20kHz20Hz
1kHz
MAX4365
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER

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