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MAX14504
Technical data
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MAXIM MAX14504, MAX14505, MAX14505A, MAX14506 Technical data

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General Description
The MAX14504/MAX14505/MAX14505A/MAX14506 dual single-pole/double-throw (SPDT) audio switches feature negative signal capability that allows signals from -VCCto +VCCto pass without distortion. They fea­ture high continuous current ratings of 550mA (continu­ous) and 850mA (pulsed). These analog switches have low on-resistance, low supply current, and operate from a single +2.3V to +5.5V supply.
The MAX14505/MAX14505A have internal shunt switches that discharge the audio amplifier AC-coupling capaci­tance at the normally open (NO) terminals. This reduces click-and-pop sounds that occur when switching audio signals between precharged points. The MAX14504/ MAX14505/MAX14505A/MAX14506 control the switches with control bit, CB, and feature an enable input, EN, that place COM in a high-impedance mode.
The MAX14504/MAX14505/MAX14505A/MAX14506 are fully specified to operate from a single +2.3V to +5.5V power supply. These devices are available in a 1.56mm x 2.14mm, 12-bump WLP package, and operate over the -40°C to +85°C extended temperature range.
Applications
Cell Phones
MP3 Players
Portable Audio Equipment
Speaker Switching
Features
o Distortion-Free Negative Signal Throughput from
-VCCto +V
CC
o Internal Shunt Switches Reduce Click/Pop
(MAX14505/MAX14505A)
o Low On-Resistance 0.36Ω (typ)
o 1mΩ (typ) On-Resistance Flatness o COM High Impedance for EN = High
o Low 0.2µA (max) Shutdown Current
(MAX14505A/MAX14506)
o +2.3V to +5.5V Single-Supply Voltage
o Small, 1.56mm x 2.14mm, 12-Bump WLP Package
MAX14504/MAX14505/MAX14505A/MAX14506
Dual SPDT Negative Rail Analog Switches
with ±V
CC
Capability
________________________________________________________________
Maxim Integrated Products
1
Pin Configuration
Ordering Information/Selector Guide
19-4244; Rev 1; 12/08
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
EVALUATION KIT
AVAILABLE
PART PIN-PACKAGE TOP MARK
COM SIGNAL RANGE FOR
EN = V
CC
CLICKLESS
MAX14504EWC+ 12 WLP AAH ±V
CC
NO
MAX14505EWC+* 12 WLP AAI ±V
CC
YES
MAX14505AEWC+ 12 WLP AAK 0 to +V
CC
YES
MAX14506EWC+* 12 WLP AAJ 0 to +V
CC
NO
Note: All devices are specified over the -40°C to +85°C temperature range.
+
Denotes a lead(Pb)-free/RoHS-compliant package.
*
Future product—contact factory for availability.
Typical Operating Circuit appears at end of data sheet.
MAX14504/
TOP VIEW
(BUMPS ON BOTTOM)
1
+
NO2
A
COM2 GND COM1
B
MAX14505/
MAX14505A/
MAX14506
234
NEG
V
EN
NO1
CC
NC2 NC1
C
(1.56mm x 2.14mm)
CB
WLP
GND
MAX14504/MAX14505/MAX14505A/MAX14506
Dual SPDT Negative Rail Analog Switches with ±V
CC
Capability
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VCC= +2.3 to +5.5V, TA= T
MIN
to T
MAX,CNEG
= 3.3nF, unless otherwise noted. Typical values are at VCC= +3.0V, TA= +25°C,
unless otherwise noted.) (Note 3)
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.
Note 1: Signals on NC_, NO_, and COM_ exceeding -VCCor +VCCare clamped by internal diodes. For EN ≥ VIHsignals on NC_,
NO_, and COM_ exceeding 0 or +V
CC
are clamped by internal diodes (MAX14505A/MAX14506). Limit forward-diode current
to maximum current rating.
Note 2: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a 4-layer
board. For detailed information on package thermal considerations, refer to www.maxim-ic.com/thermal-tutorial
.
(All voltages referenced to GND, unless otherwise noted.) V
CC
........................................................................-0.3V to +6.0V
NC_, NO_, COM_ (Note 1)..................-V
CC
- 0.3V to VCC+ 0.3V
NC_, NO_, COM_ (MAX14505A/MAX14506, EN = V
CC
)
(Note 1).......................................................-0.3V to V
CC
+ 0.3V
CB, EN......................................................................-0.3V to +6V
Continuous Current (NC_, NO_, COM_).........................±550mA
Continuous Current on Shunt Switches ..............................±5mA
Peak Current (NC_, NO_, COM_)
(pulsed at 1ms, 10% duty cycle)..................................±850mA
Continuous Power Dissipation (T
A
= +70°C) for multilayer board:
12-Pin WLP (derate 8.5mW/°C above +70°C) ..............678mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Package Junction-to-Ambient Thermal
Resistance (θ
JA
) (Note 2)............................................118°C/W
Lead Temperature (soldering) .........................................+300°C
)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
ANALOG SWITCH
V EN = 0 -V
Analog Signal Range
On-Resistance R
On-Resistance Match Between Channels
On-Resistance Flatness R
Shunt Switch Resistance R
NC_, NO_,
COM_
ON
∆R
ON
FLAT (ON
SHUNT
V
= V
EN
CC
VCC = +3.0V,
= 50mA,
I
COM_
V
, V
NC_
-V
CC
VCC = +3.0V, I between NC_ and NO_ only
VCC = +3.0V, I V
NC_
V
NO_
=
NO_
to V
CC
NC_
, V
= +100mV
NC_
= -VCC to VCC (Note 4)
NO_
(MAX14504/ MAX14505)
(MAX14505A/ MAX14506)
TA = +25°C 0.36 0.5
= I
= I
NO_
NO_
TA = T T
MAX
= 50mA;
= 50mA,
MIN
to
CC
-V
CC
0+V
10 mΩ
1mΩ
15 55 120 Ω
+V
+V
0.65
CC
CC
CC
V
Ω
MAX14504/MAX14505/MAX14505A/MAX14506
Dual SPDT Negative Rail Analog Switches
with ±V
CC
Capability
_______________________________________________________________________________________ 3
(
)
)
(
(
(ON)
ELECTRICAL CHARACTERISTICS (continued)
(VCC= +2.3 to +5.5V, TA= T
MIN
to T
MAX,CNEG
= 3.3nF, unless otherwise noted. Typical values are at VCC= +3.0V, TA= +25°C,
unless otherwise noted.) (Note 3)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
NC_ or NO_ Off-Leakage Current
COM_ On-Leakage Current
DYNAMIC TIMING (Note 5)
Turn-On Time t
Turn-Off Time t
AUDIO PERFORMANCE
Total Harmonic Distortion Plus Noise
Off-Isolation V
Crosstalk V
NC_ or NO_ Off-Capacitance
COM_ On-Capacitance C
LOGIC INPUT (CB, EN)
Input Logic-High V
Input Logic-Low V
Input Leakage Current I
INC_
I
NO_ (OFF
I
COM_ (ON
THD+N
C
N C
C
N O
COM
ON
OFF
ISO
CT
_ _
_
IH
IL
IN
VCC = +3.0V, switch open;
= -2.5V, +2.5V;
V
NO_
V
= +2.5V, -2.5V, unconnected
COM_
,
OF F)
(MAX14504/MAX14506)
VCC = +3.0V, switch open;
= -2.5V, +2.5V;
V
NC_
V
= +2.5V, -2.5V, unconnected
COM_
V
= + 3.0V , sw i tch cl osed ;
C C
= + 2.5V , - 2.5V ;
V
C OM _
V
or V
N C _
V
NO_
V
NO_
f = 20Hz to 20kHz, V
= RL = 50Ω; DC bias = 0
R
S
RS = RL = 50Ω; V f = 20kHz (Note 6), Figure 2
RS = RL = 50Ω; V f = 20kHz (Note 7), Figure 2
,
OF F)
V
OF F)
NC_/NO_
V
NC_/NO_
VCB = V EN = 0 or V
= + 2.5V , - 2.5V , unconnected
N O_
or V
or V
= 0, RL = 50Ω, Figure 1 14 60 ms
NC_
= 0, RL = 50Ω, Figure 1 1.5 3 µs
NC_
COM
COM
= 0.5V
P-P
= 0.5V
P-P
= 0.5V
COM_
_ = 0.5V
_ = 0.5V
, f = 1MHz; Figure 3 65 pF
, f = 1MHz; Figure 3 125 pF
CC
P-P
P-P
P-P
,
,
,
-50 +50
-50 +50
-100 +100 nA
1.4 V
-1 +1 µA
0.001 %
-84 dB
-90 dB
0.5 V
nA
MAX14504/MAX14505/MAX14505A/MAX14506
Dual SPDT Negative Rail Analog Switches with ±V
CC
Capability
4 _______________________________________________________________________________________
Note 3: All parameters are production tested at TA= +85°C, and guaranteed by design over the specified temperature range. Note 4: Flatness is defined as the difference between the maximum and minimum value of on-resistance as measured over the
specified analog signal range.
Note 5: All timing is measured using 20% and 80% levels. Note 6: Off-Isolation = 20log
10[VCOM_
/(V
NO_
or V
NC_
)], V
COM_
= output, V
NO_
or V
NC_
= input to off switch.
Note 7: Between any two switches.
ELECTRICAL CHARACTERISTICS (continued)
(VCC= +2.3 to +5.5V, TA= T
MIN
to T
MAX,CNEG
= 3.3nF, unless otherwise noted. Typical values are at VCC= +3.0V, TA= +25°C,
unless otherwise noted.) (Note 3)
0
0.3
0.2
0.1
0.4
0.5
0.6
0.7
0.8
0.9
1.0
-2.30 -1.15 0 1.15 2.30
ON-RESISTANCE vs. V
COM
MAX14504 toc01
V
COM
(V)
R
ON
(Ω)
VCC = 2.3V
TA = +85°C TA = +25°C TA = -40°C
0
0.3
0.2
0.1
0.4
0.5
0.6
0.7
0.8
0.9
1.0
-3 -1-2 0123
ON-RESISTANCE vs. V
COM
MAX14504 toc02
V
COM
(V)
R
ON
(Ω)
VCC = 3.0V
TA = +85°C TA = +25°C TA = -40°C
0
0.2
0.1
0.5
0.4
0.3
0.6
0.7
0.9
0.8
1.0
-5.5 -3.5-2.5-4.5 -1.5 -0.5 0.5 1.5 2.5 3.5 4.5 5.5
ON-RESISTANCE vs. V
COM
V
COM
(V)
R
ON
(Ω)
VCC = 5.5V
MAX14504 toc03
TA = +85°C TA = +25°C TA = -40°C
Typical Operating Characteristics
(VCC= 3.0V, TA = +25°C, unless otherwise noted.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
POWER SUPPLY
Power-Supply Range V
Power-Supply Rejection Ratio (PSRR)
VCC Supply Current I
VCC Shutdown Supply Current I
Supply Current Increase with Supply Voltage
Negative Charge-Pump Output V
CC
R
CC
VCC = +3.0V, V EN = 0, VCB = 0 or V
VCC = +5.5V, V EN = 0, VCB = 0 or V
VCC = +3.0V, V EN = V (MAX14504/MAX14505)
VCC = +5.5V, V EN = V (MAX14504/MAX14505)
CC_SHDN
VCC = +3.0V, V EN = V (MAX14505A/MAX14506)
VCC = +5.5V, V EN = V (MAX14505A/MAX14506)
I
CC_CTRLVCC
NEG
C
= 50Ω, f = 10kHz 78 dB
COM_
= 5.5V, VCB = V EN = 0.5V or 1.4V 2 5 µA
= 3.3nF - 1.01V
NEG
CC
CC
CC
CC
CC
CC
2.3 5.5 V
12 23
21 41
µA
15
29
µA
0.15
0.2
C C -VCC
- 0.95V
C C
V
MAX14504/MAX14505/MAX14505A/MAX14506
Dual SPDT Negative Rail Analog Switches
with ±V
CC
Capability
_______________________________________________________________________________________ 5
Typical Operating Characteristics (continued)
(VCC= 3.0V, TA = +25°C, unless otherwise noted.)
0.3650
0.3645
0.3640
0.3635
0.3630
-3 0-2 -1 1 2 3
RON FLATNESS vs. V
COM
MAX14504 toc04
V
COM
(V)
R
ON
(Ω)
20
15
10
5
0
2.3 3.93.1 4.7 5.5
NC_/NO_ TURN-ON/TURN-OFF TIME
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
t
ON
(ms)
2.0
1.5
1.0
0.5
0
t
OFF
(µs)
MAX14504 toc05
t
ON
t
OFF
20
15
10
5
0
-40 -15 10 35 60 85
NC_/NO_ TURN-ON/TURN-OFF TIME
vs. TEMPERATURE
TEMPERATURE (°C)
t
ON
(ms)
2.0
1.5
1.0
0.5
0
t
OFF
(µs)
MAX14504 toc06
t
ON
t
OFF
0
5
15
10
20
25
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX14504 toc07
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (µA)
2.3 3.93.1 4.7 5.5
CB = EN = 0
10
14
12
18
16
20
22
-40 85
SUPPLY CURRENT
vs. TEMPERATURE
MAX14504 toc08
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
10-15 35 60
CB = EN = 0
VCC = 5.5V
VCC = 3.0V
0
0.6
0.4
0.2
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.7 3.0 3.3 3.6
LOGIC-INPUT LOW THRESHOLD
vs. SUPPLY VOLTAGE
MAX14504 toc09
SUPPLY VOLTAGE (V)
LOGIC-INPUT LOW THRESHOLD (V)
V
IH
V
IL
0
20
60
40
80
100
SUPPLY CURRENT
vs. CB LOGIC LEVEL
MAX14504 toc10
CB LOGIC LEVEL (V)
SUPPLY CURRENT (µA)
02.21.1 3.3
VCC = 5.5V EN = 0
MAX14504/MAX14505/MAX14505A/MAX14506
Dual SPDT Negative Rail Analog Switches with ±V
CC
Capability
6 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(VCC= 3.0V, TA = +25°C, unless otherwise noted.)
0
10 100
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
100
40
20
80
60
MAX14504 toc17
FREQUENCY (kHz)
PSRR (dB)
0
2
1
4
3
5
6
-40 85
COM_ ON-LEAKAGE CURRENT
vs. TEMPERATURE
MAX14504 toc11
TEMPERATURE (°C)
COM_ ON-LEAKAGE CURRENT (nA)
10-15 35 60
V
COM_
= 2.5V
V
NC_/VNO_
= UNCONNECTED
0
100
50
150
250
300
200
-40 85
NC_/NO_ OFF-LEAKAGE CURRENT
vs. TEMPERATURE
MAX14504 toc12
TEMPERATURE (°C)
NC_/NO_ OFF-LEAKAGE CURRENT (pA)
10-15 35 60
V
NC_/VNO_
= 2.5V
V
COM_
= UNCONNECTED
ON-LOSS vs. FREQUENCY
FREQUENCY (MHz)
0.001 1 10 1000.01 0.1 1000
ON-LOSS (dB)
0
-1
-2
-3
-4
-5
-6
MAX14504 toc13
OFF-ISOLATION vs. FREQUENCY
FREQUENCY (MHz)
0.001 1 10 1000.01 0.1 1000
OFF-ISOLATION (dB)
0
-20
-40
-60
-80
-100
MAX14504 toc14
CROSSTALK vs. FREQUENCY
FREQUENCY (MHz)
0.001 1 10 1000.01 0.1 1000
CROSSTALK (dB)
0
-20
-40
-60
-80
-100
MAX14504 toc15
1
0.0001
0.01 0.1 10 100
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
0.001
0.01
0.1
MAX14504 toc16
FREQUENCY (kHz)
THD+N (%)
1
MAX14504/MAX14505/MAX14505A/MAX14506
Dual SPDT Negative Rail Analog Switches
with ±V
CC
Capability
_______________________________________________________________________________________ 7
Test Circuits/Timing Diagrams
Figure 1. Switching Time
Figure 2. Off-Isolation and Crosstalk
MAX14504/ MAX14505/
MAX14505A/
MAX14506
VN_= 0V
LOGIC
INPUT
= V
= V
NO_
IN_ (
OR V
R
NC_
V
OUT
RON + R
V
N_
NO_ OR NC_
CB OR EN
ON
V
CC
V
CC
GND
)
L
NEG
V
= 1.5V
REF
V
R
L
V
OUT
C
NEG
LOGIC
INPUT
SWITCH OUTPUT
IH
V
IL
0V
V
50%
OUT
t
ON
tR < 5ns t
< 5ns
F
t
OFF
0.8 x V
0UT
0.2 x V
OUT
V
CC
0.1µF
V
CC
0V OR
V
50Ω
MEASUREMENTS ARE STANDARDIZED AGAINST SHORTS AT IC TERMINALS. OFF-ISOLATION IS MEASURED BETWEEN COM_ AND OFF. NO_ OR NC_ TERMINAL ON EACH CROSSTALK IS MEASURED FROM ONE CHANNEL TO THE OTHER CHANNEL. SIGNAL DIRECTION THROUGH SWITCH IS REVERSED; WORST VALUES ARE RECORDED.
CB
CC
NC1
MAX14504/ MAX14505/
MAX14505A/
MAX14506
GND
COM1
NO1*
NEG
V
C
NEG
V
OUT
NETWORK ANALYZER
IN
50Ω 50Ω
MEAS REF
50Ω
50Ω
OFF-ISOLATION = 20log
CROSSTALK = 20log
*FOR CROSSTALK, THIS PIN IS NO2. NC2 AND COM2 ARE OPEN.
V
(
(
OUT
V
V
V
IN
OUT
IN
)
)
MAX14504/MAX14505/MAX14505A/MAX14506
Dual SPDT Negative Rail Analog Switches with ±V
CC
Capability
8 _______________________________________________________________________________________
Test Circuits/Timing Diagrams (continued)
Pin Description
Figure 3. Channel Off-/On-Capacitance
CAPACITANCE
METER
f = 1MHz
COM_
NC_ OR NO_
0.1µF
MAX14504/ MAX14505/
MAX14505A/
V
CC
V
CC
MAX14506
GND
NEG
CB
OR V
V
IL
IH
C
NEG
PIN NAME FUNCTION
A1 NO2 Analog Switch 2, Normally Open Terminal
A2 NEG
A3 V
A4 NO1 Analog Switch 1, Normally Open Terminal
B1 COM2 Analog Switch 2, Common Terminal
B2 EN
B3, C3 GND Ground
B4 COM1 Analog Switch 1, Common Terminal
C1 NC2 Analog Switch 2, Normally Closed Terminal
C2 CB Control Bit Input. CB controls switch 1 and switch 2. See the Functional Diagram/Truth Table.
C4 NC1 Analog Switch 1, Normally Closed Terminal
CC
Negative Supply Voltage Output. Connect NEG to GND with a 3.3nF capacitor. Do not use NEG to power any external circuitry.
Positive Supply Voltage Input. Connect VCC to a +2.3V to +5.5V supply voltage. Bypass VCC to GND with a 0.1µF ceramic capacitor placed as close as possible to the device.
Active-Low Enable Input. Drive EN high to put switches in a high-impedance mode. Shunt click/pop switches are not affected by the state of EN. The MAX14505A/MAX14506 enter a low current state when EN is driven high.
MAX14504/MAX14505/MAX14505A/MAX14506
Dual SPDT Negative Rail Analog Switches
with ±V
CC
Capability
_______________________________________________________________________________________ 9
Detailed Description
The MAX14504/MAX14505/MAX14505A/MAX14506 are low on-resistance, low-voltage, dual SPDT analog switches that operate from a +2.3V to +5.5V single supply. These devices feature a negative signal capa­bility that allows signals as low as -VCCto pass through without distortion.
The MAX14504/MAX14505/MAX14505A/MAX14506 have an enable input EN to put the switches in a high-
impedance mode. When EN = V
CC
, the MAX14504/ MAX14505 terminals have a signal range of -VCCto +VCC. The MAX14505A/MAX14506 terminals have a sig­nal range of 0 to +VCC. The MAX14505A/MAX14506 fea­ture a low supply current when EN = VCC.
The MAX14505/MAX14505A have internal shunt switch­es on both NO1 and NO2 terminals to suppress click­and-pop sounds that can occur when switching audio signals between precharged points.
Functional Diagram/Truth Table
V
CC
MAX14504/
MAX14506
NC1
NC2
COM1
V
CC
MAX14505/
MAX14505A
NC1
NC2
COM1
NO1
NO2
NEG
C
NEG
EN
1
0
0
X = DON'T CARE.
GND
CB
X
0
1
COM_ TO NC_
HIGH IMPEDANCE
ON
OFF
EN
CB
COM_ TO NO_
HIGH IMPEDANCE
OFF
ON
COM2
NO1
NO2
NEG
C
NEG
EN
X
X
X = DON'T CARE.
CB
COM2
GND
0
1
CB EN
SHUNT SWITCH
(MAX14505/MAX14505A)
ON
OFF
MAX14504/MAX14505/MAX14505A/MAX14506
Dual SPDT Negative Rail Analog Switches with ±V
CC
Capability
10 ______________________________________________________________________________________
Digital Control Inputs
The MAX14504/MAX14505/MAX14505A/MAX14506 logic inputs accept up to +5.5V, regardless of supply voltage. For example, with a +3.3V supply, CB and EN can be driven low to GND and high to +5.5V, allowing for mixed logic levels in a system. Using logic levels of VIL= 0 to VIH≥ VCCreduces supply current.
Analog Signal Levels
These devices pass signals from -VCCto +VCCwith minimal distortion and very little change in on-resistance (see the
Typical Operating Characteristics
). The switch­es are bidirectional; therefore, the NO_, NC_, and COM_ terminals can be used as either inputs or outputs.
Click-and-Pop Suppression
The MAX14505/MAX14505A have a shunt switch on NO1 and NO2 terminals to automatically discharge any capacitance when they are not connected to COM1 and COM2. The shunt switch reduces audible click-
and-pop sounds that occur when switching between capacitively coupled audio sources. Audible clicks and pops are caused when a step DC voltage is switched into the speaker. The DC step transients are reduced by automatically discharging the side that is not con­nected to the COM terminal, reducing any residual DC voltage and reducing clicks and pops.
Applications Information
Power-Supply Sequencing
Proper power-supply sequencing is recommended for all CMOS devices. Improper supply sequencing can force the switch into latch-up, causing it to draw exces­sive supply current. The only way out of latch-up is to remove all signals and power and then reapply properly. Connect all ground pins first, apply power to VCC, and finally apply signals to NO_, NC_, and COM_. Follow the reverse order upon power-down.
MAX14504/MAX14505/MAX14505A/MAX14506
Dual SPDT Negative Rail Analog Switches
with ±V
CC
Capability
______________________________________________________________________________________ 11
Typical Operating Circuit
Package Information
For the latest package outline information and land patterns, go to www.maxim-ic.com/packages
.
PACKAGE TYPE PACKAGE CODE DOCUMENT NO.
12 WLP W121A2-1
21-0009
Chip Information
PROCESS: CMOS
DirectDrive is a registered trademark of Maxim Integrated Products, Inc.
MAX9788 CLASS G
AUDIO AMPLIFIER
CLASS D
AUDIO AMPLIFIER
V
CC
0.1µF
MAX14504/MAX14506
NC1
NC2
NO1
NO2
NEG
C
NEG
CB
V
CC
COM1
COM2
ENGND
0.1µF
MAX9722
®
DirectDrive
AMPLIFIER
AUDIO AMPLIFIER
C
NEG
NC1
NC2
NO1
NO2
NEG
MAX14505/MAX14505A
COM1
COM2
ENGND
CB
MAX14504/MAX14505/MAX14505A/MAX14506
Dual SPDT Negative Rail Analog Switches with ±V
CC
Capability
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
12
____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
© 2008 Maxim Integrated Products Maxim is a registered trademark of Maxim Integrated Products, Inc.
Revision History
REVISION
NUMBER
REVISION
DATE
DESCRIPTION
PAGES
CHANGED
0 8/08 Initial release ⎯
1 12/08 Changed Pin Configuration and Pin Description sections 1, 8, 11
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