General Description
The MAX4684/MAX4685 low on-resistance (RON), low-
voltage, dual single-pole/double-throw (SPDT) analog
switches operate from a single +1.8V to +5.5V supply.
The MAX4684 features a 0.5Ω(max) RON for its NC
switch and a 0.8Ω(max) RON for its NO switch at a
+2.7V supply. The MAX4685 features a 0.8Ωmax on-
resistance for both NO and NC switches at a +2.7V
supply.
Both parts feature break-before-make switching action
(2ns) with tON = 50ns and tOFF = 40ns at +3V. The digi-
tal logic inputs are 1.8V logic-compatible with a +2.7V to
+3.3V supply.
The MAX4684/MAX4685 are packaged in the chipscale
package (UCSP)™, significantly reducing the required
PC board area. The chip occupies only a 2.0mm ✕
1.50mm area. The 4 ✕3 array of solder bumps are
spaced with a 0.5mm bump pitch.
________________________Applications
Speaker Headset Switching
MP3 Players
Power Routing
Battery-Operated Equipment
Relay Replacement
Audio and Video Signal Routing
Communications Circuits
PCMCIA Cards
Cellular Phones
Modems
Features
♦12-Bump, 0.5mm-Pitch UCSP
♦NC Switch RON
0.5Ωmax (+2.7V Supply) (MAX4684)
0.8Ωmax (+2.7V Supply) (MAX4685)
♦NO Switch RON
0.8Ωmax (+2.7V Supply)
♦RON Match Between Channels
0.06Ω(max)
♦RON Flatness Over Signal Range
0.15Ω(max)
♦+1.8V to +5.5V Single-Supply Operation
♦Rail-to-Rail Signal Handling
♦1.8V Logic Compatibility
♦Low Crosstalk: -68dB (100kHz)
♦High Off-Isolation: -64dB (100kHz)
♦THD: 0.03%
♦50nA (max) Supply Current
♦Low Leakage Currents
1nA (max) at TA= +25°C
MAX4684/MAX4685
0.5
ΩΩ
/0.8
ΩΩ
Low-Voltage, Dual SPDT
Analog Switches in UCSP
________________________________________________________________
Maxim Integrated Products
1
19-1977; Rev 4; 1/09
COM2COM1
NO2NO1
NC2
IN2IN1
NC1
GND
V+
TOP VIEW
IN_
0
1
NO_
MAX4684/MAX4685
OFF
ON
NC_
ON
SWITCHES SHOWN FOR LOGIC "0" INPUT
OFF
UCSP
MAX4684/MAX4685
MAX4684/MAX4685
NC2
IN1
GND
NC1
2
3
9
8
COM2
IN2
COM1
NO1
110 NO2
V+
4
5
7
6
µMAX
C1
C2
C3
C4 B4 A4
A3
A2
A1B1
Pin Configurations/Functional Diagrams/Truth Table
UCSP is a trademark of Maxim Integrated Products, Inc.
µMAX is a registered trademark of Maxim Integrated Products,
Inc.
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.
Continued at end of data sheet.
Ordering Information
+
Denotes a lead(Pb)-free/RoHS-compliant package.
Note: Requires special solder temperature profile described in
the Absolute Maximum Ratings section.
*
UCSP reliability is integrally linked to the user’s assembly
methods, circuit board material, and environment. Refer to the
UCSP Reliability Notice in the UCSP Reliability section of this
data sheet for more information.
**
EP = Exposed Pad
T = Tape and reel.
PART
TEMP RANGE
PIN /B U M P-
PACKAGE
TOP
MARK
M A X4 6 8 4 E BC + T
-40°C to +85°C
12 UCSP* AAF
M AX 4684E TB+ T
-40°C to +85°C 10 TD FN - E P **
AAG
M AX 4684E U B+ T
-40°C to +85°C
10 µMAX®—
M A X4 6 8 5 E BC + T
-40°C to +85°C
12 UCSP* AAG
M AX 4685E TB+ T
-40°C to +85°C 10 TD FN - E P **
AAH
M AX 4685E U B+ T
-40°C to +85°C
10 µMAX —
MAX4684/MAX4685
0.5
ΩΩ
/0.8
ΩΩ
Low-Voltage, Dual SPDT
Analog Switches in UCSP
2 _______________________________________________________________________________________
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.
(All Voltages Referenced to GND)
V+, IN_......................................................................-0.3V to +6V
COM_, NO_, NC_ (Note1) ........................... -0.3V to (V+ + 0.3V)
Continuous Current NO_, NC_, COM_ .......................... ±300mA
Peak Current NO_, NC_, COM_
(pulsed at 1ms, 50% duty cycle).................................±400mA
Peak Current NO_, NC_, COM_
(pulsed at 1ms, 10% duty cycle).................................±500mA
Continuous Power Dissipation (TA= +70°C)
10-Pin TDFN (derate 18.5mW/°C above +70°C)........1482mW
12-Bump UCSP (derate 11.4mW/°C above +70°C) ...909mW
10-Pin µMAX (derate 5.6mW/°C above +70°C) ..........444mW
Operating Temperature Ranges..........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Bump Temperature (soldering) (Note 2)
Infared (15s)................................................................+220°C
Vapor Phase (60s) ......................................................+215°C
Note 1: Signals on NO_, NC_, and COM_ exceeding V+ or GND are clamped by internal diodes. Limit forward-diode current to
maximum current rating.
Note 2: 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, Table 3 for IR/VPR and Convection reflow. Pre-
heating is required. Hand or wave soldering is not allowed.
PARAMETER SYMBOL CONDITIONS TAMIN
TYP MAX UNITS
ANALOG SWITCH
Analog Signal Range VNO_, VNC_,
VCOM_E0 V+V
+25°C
0.3
0.5
MAX4684
E
0.5
+25°C0.450.8
NC_ On-Resistance
(Note 4) RON(NC)
V + = 2.7V ; IC OM
_ = 100mA;
VNC_
= 0 to V+
MAX4685
E
0.8
Ω
+25°C0.450.8
NO_ On-Resistance
(Note 4) RON(NO) V+ = 2.7V; ICOM_ = 100mA;
VNO_ = 0 to V+ E
0.8
Ω
+25°C0.06
On-Resistance Match
Between Channels
(Notes 4, 5)
ΔRON V+
= 2.7V; ICOM_ = 100mA;
VNO_
or VNC_ = 1.5V E
0.06
Ω
MAX4684
E
0.15
NC_ On-Resistance
Flatness (Note 6) RFLAT (NC)
V + = 2.7V ; IC OM = 100mA;
V
N C
_ = 0 to V +
MAX4685
E
0.35
Ω
NO_ On-Resistance
Flatness (Note 6) RFLAT (NO) V+ = 2.7V; ICOM = 100mA;
VNO_
= 0 to V+ E
0.35
Ω
+25°C
-1 1
NO_ or NC_ Off-
Leakage Current
(Note 7)
INO_(OFF)
or
INC_(OFF)
V+ = 3.3V; VNO_
or VNC_
= 3V, 0.3V;
VCOM_
= 0.3V, 3V E -10 10 nA
+25°C
-2 2
COM_ On-Leakage
Current (Note 7) ICOM_(ON)
V + = 3.3V ; V
N O_ or V
N C
_ = 3V , 0.3V , or
unconnected ; V
C OM
_
= 3V , 0.3V , or
unconnected E -20 20 nA
DYNAMIC CHARACTERISTICS
+25°C
30 50
Turn-On Time tON V+ = 2.7V, VNO_ or VNC_
= 1.5V;
RL = 50Ω; CL = 35pF; Figure 2 E60
ns
ELECTRICAL CHARACTERISTICS—+3V SUPPLY
(V+ = +2.7V to +3.3V, VIH = +1.4V, VIL = +0.5V, TA= TMIN to TMAX, unless otherwise noted. Typical values are at +3V and +25°C.)
(Notes 3, 9, 10)
MAX4684/MAX4685
0.5
ΩΩ
/0.8
ΩΩ
Low-Voltage, Dual SPDT
Analog Switches in UCSP
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS—+3V SUPPLY (continued)
(V+ = +2.7V to +3.3V, VIH = +1.4V, VIL = +0.5V, TA= TMIN to TMAX, unless otherwise noted. Typical values are at +3V and +25°C.)
(Notes 3, 9, 10)
PARAMETER SYMBOL CONDITIONS TAMIN
TYP MAX UNITS
+25°C
25 30
Turn-Off Time tOFF V+ = 2.7V, VNO_ or VNC_
= 1.5V;
RL = 50Ω; CL = 35pF; Figure 2 E40
ns
Break-Before-Make
Delay tBBM V+ = 2.7V, VNO_, or VNC_
= 1.5V;
RL = 50Ω; CL = 35pF; Figure 3 E 2 15 ns
Charge Injection Q
COM_
= 0; RS = 0; CL = 1nF; Figure 4 +25°C
200 pC
Off-Isolation (Note 8) VISO CL = 5pF; RL = 50Ω; f = 100kHz;
VCOM_
= 1VRMS; Figure 5
+25°C
-64 dB
Crosstalk VCT CL = 5pF; RL = 50Ω; f = 100kHz;
VCOM_
= 1VRMS; Figure 5
+25°C
-68 dB
Total Harmonic
Distortion THD RL = 600Ω, IN_ = 2Vp-p, f = 20Hz to
20kHz
+25°C0.03
%
NC_ Off-Capacitance
CNC_
(
OFF
)
f = 1MHz; Figure 6
+25°C
84 pF
NO_ Off-Capacitance
CNO_(OFF) f = 1MHz; Figure 6
+25°C
37 pF
NC_ On-Capacitance
CNC_(ON) f = 1MHz; Figure 6
+25°C
190 pF
NO_ On-Capacitance
CNO_(ON) f = 1MHz; Figure 6
+25°C
150 pF
DIGITAL I/O
Input Logic High VIH E1.4 V
Input Logic Low VIL E
0.5
V
IN_ Input Leakage
Current IIN_V
IN_ = 0 or V+ E -1 1 µA
POWER SUPPLY
Power-Supply Range V+ E 1.8
5.5
V
+25°C
-50
0.04
50
S up p l y C ur r ent ( N ote 4)
I+ V+
= 5.5V; VIN_ = 0 or V+ E
-200 200
nA
Note 3: The algebraic convention used in this data sheet is where the most negative value is a minimum and the most positive
value a maximum.
Note 4: Guaranteed by design.
Note 5: ΔRON = RON(MAX) - RON(MIN), between NC1 and NC2 or between NO1 and NO2.
Note 6: Flatness is defined as the difference between the maximum and minimum value of on-resistance as measured over the
specified analog signal ranges.
Note 7: Leakage parameters are 100% tested at TA= +85°C, and guaranteed by correlation over rated temperature range.
Note 8: Off-isolation = 20log10 (VCOM / VNO), VCOM = output, VNO = input to off switch.
Note 9: UCSP and TDFN parts are 100% tested at +25°C only and guaranteed by design and correlation at the full hot-rated
temperature.
Note 10: -40°C specifications are guaranteed by design.
MAX4684/MAX4685
0.5
ΩΩ
/0.8
ΩΩ
Low-Voltage, Dual SPDT
Analog Switches in UCSP
4 _______________________________________________________________________________________
Typical Operating Characteristics
(TA = +25°C, unless otherwise noted.)
0
0.4
0.2
1.0
0.8
0.6
1.6
1.4
1.2
1.8
021 345
MAX4684
NC ON-RESISTANCE vs. COM VOLTAGE
MAX4684/5 toc01
VCOM (V)
RON (Ω)
V+ = +3.0V
V+ = +5.0V
V+ = +1.8V
V+ = +2.0V
V+ = +2.3V
V+ = +2.5V
NO ON-RESISTANCE vs. COM VOLTAGE
0
0.5
1.5
1.0
2.0
2.5
021345
RON (Ω)
MAX4684/5 toc03
VCOM (V)
V+ = +5.0V
V+ = +1.8V
V+ = +2.0V
V+ = +2.3V
V+ = +2.5V
V+ = +3.0V
MAX4685
NC ON-RESISTANCE vs. COM VOLTAGE
0
0.2
0.4
0.6
0.8
1.2
1.4
1.8
1.0
1.6
2.0
021345
RON (Ω)
MAX4684/5 toc02
VCOM (V)
V+ = +5.0V
V+ = +2.3V
V+ = +3.0V
V+ = +1.8V
V+ = +2.0V
V+ = +2.5V
0.10
0.12
0.14
0.16
0.20
0.18
0.22
0.24
0.26
0.28
021345
MAX4684/5 toc04
MAX4684
NC ON-RESISTANCE vs. COM VOLTAGE
VCOM (V)
RON (Ω)
TA = +85°C
V+ = +5V
TA = -40°C
TA = +25°C
0.10
0.15
0.20
0.25
0.30
0.35
0.40
012345
MAX4684/5 toc06
NO ON-RESISTANCE vs. COM VOLTAGE
VCOM (V)
RON (Ω)
TA = +85°C
V+ = +5V
TA = -40°C
TA = +25°C
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
012345
MAX4684/5 toc05
MAX4685
NC ON-RESISTANCE vs. COM VOLTAGE
VCOM (V)
RON (Ω)
V+ = +5V
TA = +25°CTA = -40°C
TA = +85°C
01.01.50.5 2.0 2.5 3.0
0.10
0.15
0.20
0.25
0.30
0.35
MAX4684/5 toc07
MAX4684
NC ON-RESISTANCE vs. COM VOLTAGE
VCOM (V)
RON (Ω)
V+ = +3V
TA = +85°C
TA = -40°C
TA = +25°C
0.15
0.10
0.20
0.25
0.30
0.35
0.40
0.45
0.50
01.00.5 1.5 2.0 2.5 3.0
MAX4684/5 toc09
NO ON-RESISTANCE vs. COM VOLTAGE
VCOM (V)
RON (Ω)
V+ = +3V
TA = +85°C
TA = +25°C
TA = -40°C
0.15
0.10
0.20
0.25
0.30
0.35
0.40
0.45
0.50
01.00.5 1.5 2.0 2.5 3.0
MAX4684/5 toc08
MAX4685
NC ON-RESISTANCE vs. COM VOLTAGE
VCOM (V)
RON (Ω)
V+ = +3V
TA = +85°C
TA = +25°C
TA = -40°C
MAX4684/MAX4685
0.5
ΩΩ
/0.8
ΩΩ
Low-Voltage, Dual SPDT
Analog Switches in UCSP
_______________________________________________________________________________________ 5
0
20
60
40
80
100
021 3456
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX4684/5 toc10
VSUPPLY (V)
SUPPLY CURRENT (pA)
0
20
10
40
30
50
60
70
80
1.8 2.8 3.32.3 3.8 4.3 4.8 5.3
MAX4684/5 toc11
VSUPPLY (V)
tON/tOFF (ns)
TURN-ON/TURN-0FF TIMES
vs. SUPPLY VOLTAGE
tON
tOFF
0
15
10
5
20
25
30
35
40
45
50
-40 10-15 356085
MAX4684/5 toc12
TURN-ON/TURN-0FF TIMES
vs. TEMPERATURE
V+ = +3V
tON/tOFF (ns)
TEMPERATURE (°C)
tON
tOFF
-500
-400
-300
-200
-100
0
100
200
300
021 3456
CHARGE INJECTION vs. COM VOLTAGE
MAX4684/5 toc14
Q (pC)
VCOM (V)
-40 10-15 35 60 85
MAX4684/5 toc15
TEMPERATURE (°C)
ON/OFF-LEAKAGE CURRENT (pA)
1
10
100
1000
MAX4684
ON/OFF-LEAKAGE CURRENT
vs. TEMPERATURE
ICOM(ON)
ICOM(OFF)
-40 10-15 35 60 85
MAX4684/5 toc16
TEMPERATURE (°C)
ON/OFF-LEAKAGE CURRENT (pA)
1
10
100
1000
MAX4685
ON/OFF-LEAKAGE CURRENT
vs. TEMPERATURE
ICOM(ON)
ICOM(OFF)
FREQUENCY RESPONSE (µMAX)
FREQUENCY (MHz)
0.001 1 10 1000.01 0.1
LOSS (dB)
-120
-100
-80
-20
-40
-60
0
MAX4684/85 toc17
ON-
RESPONSE
OFF-
ISOLATION
CROSSTALK
10 100 1k 10k 100k
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX4684/5 toc18
FREQUENCY (Hz)
THD + N (%)
0.01
0.1
Typical Operating Characteristics (continued)
(TA = +25°C, unless otherwise noted.)
MAX4684/MAX4685
0.5
ΩΩ
/0.8
ΩΩ
Low-Voltage, Dual SPDT
Analog Switches in UCSP
Detailed Description
The MAX4684/MAX4685 are low on-resistance, low-
voltage, dual SPDT analog switches that operate from a
+1.8V to +5.5V supply. The devices are fully specified
for nominal 3V applications. The MAX4684/MAX4685
have break-before-make switching and fast switching
speeds (tON = 50ns max, tOFF = 40ns max).
The MAX4684 offers asymmetrical normally closed
(NC) and normally open (NO) RON for applications that
require asymmetrical loads (examples include speaker
headsets and internal speakers). The part features a
0.5Ωmax RON for its NC switch and a 0.8Ωmax RON
for its NO switch at the 2.7V supply. The MAX4685 fea-
tures a 0.8Ωmax on-resistance for both NO and NC
switches at the +2.7V supply.
Applications Information
Digital Control Inputs
The MAX4684/MAX4685 logic inputs accept up to
+5.5V regardless of supply voltage. For example, with a
+3.3V supply, IN_ may be driven low to GND and high
to 5.5V. Driving IN_ rail-to-rail minimizes power con-
sumption. Logic levels for a +1.8V supply are 0.5V (low)
and 1.4V (high).
Analog Signal Levels
Analog signals that range over the entire supply voltage
(V+ to GND) are passed with very little change in on-
resistance (see
Typical Operating Characteristics
). The
switches are bidirectional, so the NO_, NC_, and COM_
pins can be either inputs or outputs.
Power-Supply Sequencing and
Overvoltage Protection
Caution: Do not exceed the absolute maximum rat-
ings because stresses beyond the listed ratings
may cause permanent damage to devices.
Proper power-supply sequencing is recommended for
all CMOS devices. Always apply V+ before applying
analog signals, especially if the analog signal is not
current limited. If this sequencing is not possible, and if
the analog inputs are not current limited to <20mA, add
a small signal diode (D1) as shown in Figure 1. Adding
a protection diode reduces the analog range to a diode
drop (about 0.7V) below V+ (for D1). RON increases
slightly at low supply voltages. Maximum supply volt-
age (V+) must not exceed +6V. Protection diode D1
also protects against some overvoltage situations. No
damage will result on Figure 1’s circuit if the supply
voltage is below the absolute maximum rating applied
to an analog signal pin.
POSITIVE SUPPLY
COM
NO
D1
GND
Vg
V+
MAX4684
MAX4685
Figure 1. Overvoltage Protection Using Two External Blocking
Diodes
PIN
NAME UCSP
µMAX/TDFN
FUNCTION
NC_ A1, C1 5, 7 Analog Switch—Normally Closed Terminal
IN_ A2, C2 4, 8 Digital Control Input
COM_ A3, C3 3, 9 Analog Switch—Common Terminal
NO_ A4, C4 2, 10 Analog Switch—Normally Open Terminal
V+ B4 1 Positive Supply Voltage Input
GND B1 6 Ground
EP — — Exposed Pad. Connect EP to GND (for TDFN only.)
Pin Description
6 _______________________________________________________________________________________
UCSP Package Consideration
For general UCSP package information and PC layout
considerations, please refer to the Maxim Application
Note (Wafer-Level Ultra-Chip-Board-Scale Package).
UCSP Reliability
The chip-scale package (UCSP) represents a unique
packaging form factor that may not perform equally to a
packaged product through traditional mechanical relia-
bility tests. UCSP reliability is integrally linked to the
user’s assembly methods, circuit board material, and
usage environment. The user should closely review
these areas when considering use of a UCSP package.
Performance through Operating Life Test and Moisture
Resistance remains uncompromised as it is primarily
determined by the wafer-fabrication process.
Mechanical stress performance is a greater considera-
tion for a UCSP package. UCSPs are attached through
direct solder contact to the user’s PC board, foregoing
the inherent stress relief of a packaged product lead
frame. Solder joint contact integrity must be consid-
ered. Information on Maxim’s qualification plan, test
data, and recommendations are detailed in the UCSP
application note, which can be found on Maxim’s web-
site at www.maxim-ic.com.
Chip Information
PROCESS: BiCMOS
MAX4684/MAX4685
0.5
ΩΩ
/0.8
ΩΩ
Low-Voltage, Dual SPDT
Analog Switches in UCSP
_______________________________________________________________________________________ 7
tr < 5ns
tf < 5ns
50%
VIL
LOGIC
INPUT
RL
50Ω
COM_
GND
IN_
CL INCLUDES FIXTURE AND STRAY CAPACITANCE.
VOUT = VN_ ( RL )
RL + RON
VIN_
VIH
tOFF
0
NO_
OR NC
0.9 x V0UT 0.9 x VOUT
tON
VOUT
SWITCH
OUTPUT
LOGIC
INPUT
LOGIC INPUT WAVEFORMS INVERTED FOR SWITCHES
THAT HAVE THE OPPOSITE LOGIC SENSE.
V+
CL
35pF
V+
VOUT
MAX4684
MAX4685
Figure 2. Switching Time
Test Circuits/Timing Diagrams
50%
VIH
VIL
LOGIC
INPUT
VOUT 0.9 x VOUT
tD
LOGIC
INPUT
RL
50Ω
GND
CL INCLUDES FIXTURE AND STRAY CAPACITANCE.
NO_
IN_
NC_ VOUT
V+
V+
CL
35pF
VN_ COM_
MAX4684
MAX4685
Figure 3. Break-Before-Make Interval
MAX4684/MAX4685
0.5
ΩΩ
/0.8
ΩΩ
Low-Voltage, Dual SPDT
Analog Switches in UCSP
8 _______________________________________________________________________________________
VGEN GND
COM_
CL
VOUT
V+ VOUT
IN
OFF ON OFF
ΔVOUT
Q = (ΔVOUT)(CL)
NC_
IN DEPENDS ON SWITCH CONFIGURATION;
INPUT POLARITY DETERMINED BY SENSE OF SWITCH.
OFF ON OFF
IN
VIL TO VIH
V+
RGEN
IN_
MAX4684
MAX4685
OR NO_
Figure 4. Charge Injection
MEASUREMENTS ARE STANDARDIZED AGAINST SHORTS AT IC TERMINALS.
OFF-ISOLATION IS MEASURED BETWEEN COM_ AND "OFF" NO_ OR NC_ TERMINAL ON EACH SWITCH.
ON-LOSS IS MEASURED BETWEEN COM_ AND "ON" NO_ OR NC_ TERMINAL ON EACH SWITCH.
CROSSTALK IS MEASURED FROM ONE CHANNEL TO ALL OTHER CHANNELS.
SIGNAL DIRECTION THROUGH SWITCH IS REVERSED; WORST VALUES ARE RECORDED.
+5V
VOUT
V+
IN_
NC_
COM
NO
VIN
MAX4684
MAX4685
OFF-ISOLATION = 20log VOUT
VIN
ON-LOSS = 20log VOUT
VIN
CROSSTALK = 20log VOUT
VIN
NETWORK
ANALYZER
50Ω
50Ω50Ω
50Ω
MEAS REF
10nF
0V OR V+
50Ω
GND
Figure 5. On-Loss, Off-Isolation, and Crosstalk
CAPACITANCE
METER NC_ or
NO_
COM_
GND
IN VIL
OR
VIH
10nF V+
f = 1MHz
V+
MAX4684
MAX4685
Figure 6. Channel Off/On-Capacitance
Test Circuits/Timing Diagrams (continued)
TOP VIEW
NC2
IN1
GND
NC1
COM2
IN2
COM1
NO1
NO2
V+
3mm ✕ 3mm TDFN
9
8
10
7
6
*CONNECT EP TO GND.
2
3
1
4
5*EP
MAX4684/MAX4685
Pin Configurations (continued)
MAX4684/MAX4685
0.5
ΩΩ
/0.8
ΩΩ
Low-Voltage, Dual SPDT
Analog Switches in UCSP
_______________________________________________________________________________________ 9
PACKAGE TYPE PACKAGE CODE DOCUMENT NO.
12 UCSP B12-4 21-0104
10 TDFN-EP T1033-1 21-0137
10 µMAX U10-2 21-0061
Package Information
For the latest package outline information and land patterns, go to www.maxim-ic.com/packages.
MAX4684/MAX4685
0.5
ΩΩ
/0.8
ΩΩ
Low-Voltage, Dual SPDT
Analog Switches in UCSP
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.
10
____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
© 2009 Maxim Integrated Products is a registered trademark of Maxim Integrated Products.
Revision History
REVISION
NUMBER
REVISION
DATE DESCRIPTION PAGES
CHANGES
3 2/03 Added TDFN packaging, noted parts are now UCSP qualified —
4 1/09 Added lead-free packaging and exposed pad note 1, 2, 6–9