MAX4634 Maxim, MAX4634 Datasheet

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MAX4634

Manufacturer Part Number
MAX4634
Description
The MAX4634 fast, low-voltage, 4-channel CMOS analog multiplexer features 4Ω (max) on-resistance (RON)
Manufacturer
Maxim
Datasheet

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The MAX4634 fast, low-voltage, 4-channel CMOS ana-
log multiplexer features 4Ω (max) on-resistance (R
It offers R
and R
range. Each switch can handle V+ to GND analog sig-
nals. Off-leakage current is only 0.1nA (max) at +25°C.
The MAX4634 features fast turn-on (t
(t
comes in the tiny 10-pin µMAX
3mm, TDFN packages.
This low-voltage multiplexer operates from a +1.8V to
+5.5V single supply. All digital inputs have +0.8V and
+2.4V logic thresholds, ensuring TTL/CMOS-logic com-
patibility with +5V operation.
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.
19-1717; Rev 3; 2/09
µMAX is a registered trademark of Maxim Integrated Products, Inc.
________________________Applications
OFF
) times of 18ns and 11ns, respectively. All this
TOP VIEW
ON
Battery-Operated Equipment
Audio and Video Signal Routing
Low-Voltage Data-Acquisition Systems
Sample-and-Hold Circuits
Communications Circuits
ON
flatness of 1Ω (max) over the specified signal
GND
NO1
NO3
matching between switches to 0.3Ω (max)
EN
A0
1
2
3
4
5
________________________________________________________________ Maxim Integrated Products
MAX4634EUB
µMAX
General Description
LOGIC
4-Channel CMOS Analog Multiplexer
®
10
9
8
7
6
Pin Configurations/Functional Diagrams/Truth Table
and 10-pin, 3mm x
A1
NO2
COM
NO4
V+
ON
) and turn-off
A1
X
0
0
1
1
X = DON'T CARE
ON
A0
).
X
1
0
1
0
EN
0
1
1
1
1
♦ Guaranteed R
♦ 0.3Ω (max) Guaranteed R
♦ 1Ω (max) Guaranteed R
♦ 0.1nA (at +25°C) Guaranteed Low Leakage
♦ +1.8V to +5.5V Single-Supply Operation
♦ +1.8V Operation
♦ V+ to GND Signal Handling
♦ TTL/CMOS-Logic Compatible
♦ -78dB Crosstalk (at 1MHz)
♦ -80dB Off-Isolation (at 1MHz)
♦ 0.018% Total Harmonic Distortion
* EP = Exposed pad.
MAX4634EUB
MAX4634ETB
Fast, Low-Voltage, 4 Ω ,
Channels
Range
Currents
ON SWITCH
PART
R
t
NONE
2.5Ω (typ) with 5V Supply
4.5Ω (typ) with 3V Supply
ON
ON
1
2
3
4
= 30ns (typ), t
= 30Ω (typ) Overtemperature
-40°C to +85°C
-40°C to +85°C
TEMP RANGE
ON
*EP = EXPOSED PAD
GND
NO1
NO3
EN
A0
Ordering Information
OFF
1
2
3
4
5
ON
MAX4634ETB
= 13ns (typ)
ON
TDFN
Flatness Over Signal
LOGIC
PIN-PACKAGE
10 µMAX
10 TDFN-EP*
(3mm x 3mm)
Match Between
*EP
10
9
8
7
6
Features
A1
NO2
COM
NO4
V+
MARK
TOP
AAU
1

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MAX4634 Summary of contents

Page 1

... Rev 3; 2/09 4-Channel CMOS Analog Multiplexer General Description The MAX4634 fast, low-voltage, 4-channel CMOS ana- log multiplexer features 4Ω (max) on-resistance (R It offers R matching between switches to 0.3Ω (max) ON and R flatness of 1Ω (max) over the specified signal ON range. Each switch can handle V+ to GND analog sig- nals. Off-leakage current is only 0.1nA (max) at +25° ...

Page 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. ELECTRICAL CHARACTERISTICS— ...

Page 3

CMOS Analog Multiplexer ELECTRICAL CHARACTERISTICS—Single +5V Supply (continued) (V+ = +4.5V to +5.5V 2.4V +25°C.) (Notes PARAMETER SYMBOL DYNAMIC Turn-On Time (Note Turn-Off Time (Note 7) ...

Page 4

Fast, Low-Voltage, 4 Ω , 4-Channel CMOS Analog Multiplexer ELECTRICAL CHARACTERISTICS—Single +3V Supply (continued) (V+ = +2.7V to +3.3V 2.0V +25°C.) (Notes PARAMETER SYMBOL On-Resistance Flatness R FLAT(ON) (Note 6) ...

Page 5

... Positive Supply Current I+ Note 2: The algebraic convention, where the most negative value is a minimum and the most positive value a maximum, is used in this data sheet. Note 3: TDFN parts are tested at +25°C and guaranteed by design and correlation over the entire temperature range. ...

Page 6

Fast, Low-Voltage, 4 Ω , 4-Channel CMOS Analog Multiplexer (T = +25°C, unless otherwise noted.) A ON/OFF-LEAKAGE CURRENT vs. TEMPERATURE 0.15 0.10 I COM(OFF) 0. NO_(OFF) I -0.05 COM(ON) -0.10 - TEMPERATURE (°C) ON/OFF-ENABLE TIME vs. ...

Page 7

... Not intended as an electrical connection point (TDFN package only). Detailed Description The MAX4634 is a low-on-resistance, low-voltage ana- log multiplexer that operates from a +1.8V to +5.5V sin- gle supply. CMOS switch construction allows pro- cessing of analog signals that are within the supply volt- age range (GND to V+) ...

Page 8

... Figure 2. Switching Time +2.4V EN MAX4634 GND 50Ω Figure 3. Break-Before-Make Interval + MAX4634 CHANNEL SELECT A1 GND Figure 4. Charge Injection 8 _______________________________________________________________________________________ Test Circuits/Timing Diagrams NO1 V+ NO2–NO4 COM V OUT 35pF 300Ω +10V NO1–NO4 COM ...

Page 9

... CMOS Analog Multiplexer 10nF MAX4634 V+ COM A GND Figure 5. Off-Isolation/On-Channel Bandwidth +5V V+ NO1 A1 NO4 MAX4634 CHANNEL SELECT A0 COM EN GND Figure 6. Channel Off/On-Capacitance _______________________________________________________________________________________ Fast, Low-Voltage, 4 Ω , Test Circuits/Timing Diagrams (continued) NETWORK OFF-ISOLATION = 20log ANALYZER V IN 50Ω 50Ω ...

Page 10

... Added TDFN package information (replaced QFN), style edits 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. ...

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