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MAX4410EUD
80mW, DirectDrive Stereo Headphone Driver with Shutdown
General DescriptionThe MAX4410 stereo headphone driver is designed for
portable equipment where board space is at a
premium. The MAX4410 uses a unique, patented,
DirectDrive architecture to produce a ground-refer-
enced output from a single supply, eliminating the need
for large DC-blocking capacitors, saving cost, board
space, and component height.
The MAX4410 delivers up to 80mW per channel into a
16Ωload and has low 0.003% THD + N. A high power-
supply rejection ratio (90dB at 1kHz) allows this device to
operate from noisy digital supplies without an additional
linear regulator. The MAX4410 includes ±8kV ESD pro-
tection on the headphone outputs. Comprehensive click-
and-pop circuitry suppresses audible clicks and pops on
startup and shutdown. Independent left/right, low-power
shutdown controls make it possible to optimize power
savings in mixed mode, mono/stereo applications.
The MAX4410 operates from a single 1.8V to 3.6V supply,
consumes only 7mA of supply current, has short-circuit
and thermal overload protection, and is specified over the
extended -40°C to +85°C temperature range. The
MAX4410 is available in a tiny (2mm x 2mm x 0.6mm),
16-bump chip-scale package (UCSP™) and a 14-pin
TSSOP package.
Applications
FeaturesNo Bulky DC-Blocking Capacitors RequiredGround-Referenced Outputs Eliminate DC-Bias
Voltages on Headphone Ground PinNo Degradation of Low-Frequency Response Due
to Output Capacitors80mW Per Channel into 16ΩLow 0.003% THD + NHigh PSRR (90dB at 1kHz)Integrated Click-and-Pop Suppression1.8V to 3.6V Single-Supply OperationLow Quiescent CurrentIndependent Left/Right, Low-Power
Shutdown ControlsShort-Circuit and Thermal Overload Protection±8kV ESD-Protected Amplifier Outputs
Available in Space-Saving Packages
16-Bump UCSP (2mm x 2mm x 0.6mm)
14-Pin TSSOP
MAX4410
80mW, DirectDrive Stereo Headphone Driver
with Shutdown
Functional Diagram
Ordering Information19-2386; Rev 2; 10/02
Notebooks
Cellular Phones
PDAs
MP3 Players
Web Pads
Portable Audio Equipment*Future product—contact factory for availability.
UCSP is a trademark of Maxim Integrated Products, Inc.
Pin Configurations and Typical Application Circuit appear
at end of data sheet.
MAX4410
80mW, DirectDrive Stereo Headphone Driver
with Shutdown
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS(PVDD= SVDD= 3V, PGND = SGND = 0, SHDNL= SHDNR= SVDD, C1 = C2 = 2.2µF, RIN= RF= 10kΩ, RL= ∞, TA= TMINto TMAX,
unless otherwise noted. Typical values are at TA= +25°C.) (Note 2)
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.
PGND to SGND.....................................................-0.3V to +0.3V
PVDDto SVDD.................................................................-0.3V to +0.3V
PVSSto SVSS.........................................................-0.3V to +0.3V
PVDDand SVDDto PGND or SGND.........................-0.3V to +4V
PVSSand SVSSto PGND or SGND..........................-4V to +0.3V
IN_ to SGND..........................................................-0.3V to +0.3V
SHDN_to SGND........................(SGND - 0.3V) to (SVDD+ 0.3V)
OUT_ to SGND............................(SVSS- 0.3V) to (SVDD+ 0.3V)
C1P to PGND.............................(PGND - 0.3V) to (PVDD+ 0.3V)
C1N to PGND.............................(PVSS- 0.3V) to (PGND + 0.3V)
Output Short Circuit to GND or VDD...........................Continuous
Continuous Power Dissipation (TA= +70°C)
14-Pin TSSOP (derate 9.1mW/°C above +70°C)..........727mW
16-Bump UCSP (derate 15.2mW/°C above +70°C)....1212mW
Junction Temperature......................................................+150°C
Operating Temperature Range...........................-40°C to +85°C
Storage Temperature Range.............................-65°C to +150°C
Bump Temperature (soldering) (Note 1)
Infrared (15s)...............................................................+220°C
Vapor Phase (60s).......................................................+215°C
Lead Temperature (soldering, 10s).................................+300°C
Note 1:This device is constructed using a unique set of packaging techniques that impose a limit on the thermal profile the device
can be exposed to during board-level solder attach and rework. This limit permits only the use of the solder profiles recom-
mended in the industry-standard specification, JEDEC 020A, paragraph 7.6, Table3 for IR/VPR and convection reflow.
Preheating is required. Hand or wave soldering is not allowed.
MAX4410
80mW, DirectDrive Stereo Headphone Driver
with Shutdown
ELECTRICAL CHARACTERISTICS (continued)(PVDD= SVDD= 3V, PGND = SGND = 0, SHDNL= SHDNR= SVDD, C1 = C2 = 2.2µF, RIN= RF= 10kΩ, RL= ∞, TA= TMINto TMAX,
unless otherwise noted. Typical values are at TA= +25°C.) (Note 2)
Note 2:All specifications are 100% tested at TA= +25°C; temperature limits are guaranteed by design.
Typical Operating Characteristics(C1 = C2 = 2.2µF, THD + N measurement bandwidth = 22Hz to 22kHz, TA= +25°C, unless otherwise noted.)
MAX4410
80mW, DirectDrive Stereo Headphone Driver
with Shutdown
Typical Operating Characteristics (continued)(C1 = C2 = 2.2µF, THD + N measurement bandwidth = 22Hz to 22kHz, TA= +25°C, unless otherwise noted.)
MAX4410
80mW, DirectDrive Stereo Headphone Driver
with ShutdownTOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX4410 toc13
OUTPUT POWER (mW)
THD + N (%)
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX4410 toc14
OUTPUT POWER (mW)
THD + N (%)
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX4410 toc15
OUTPUT POWER (mW)
THD + N (%)
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX4410 toc16
OUTPUT POWER (mW)
THD + N (%)
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX4410 toc17
OUTPUT POWER (mW)
THD + N (%)
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX4410 toc18
OUTPUT POWER (mW)
THD + N (%)
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX4410 toc19
OUTPUT POWER (mW)
THD + N (%)
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX4410 toc20
OUTPUT POWER (mW)
THD + N (%)
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX4410 toc21
OUTPUT POWER (mW)
THD + N (%)
Typical Operating Characteristics (continued)(C1 = C2 = 2.2µF, THD + N measurement bandwidth = 22Hz to 22kHz, TA= +25°C, unless otherwise noted.)
