MAX4784 Maxim, MAX4784 Datasheet

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MAX4784

Manufacturer Part Number
MAX4784
Description
The MAX4780/MAX4784 are low on-resistance, low-voltage, quad 2:1 analog multiplexers that operate from a single +1
Manufacturer
Maxim
Datasheet

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The MAX4780/MAX4784 are low on-resistance, low-
voltage, quad 2:1 analog multiplexers that operate from
a single +1.6V to +4.2V supply. These devices have
fast switching speeds (t
rail-to-rail analog signals, and consume less than 1µW
of quiescent power.
When powered from a +2.7V supply, the MAX4780/
MAX4784 feature low 0.7Ω on-resistance (R
0.1Ω R
CMOS-logic compatible when using a single +3V supply.
The MAX4780/MAX4784 are available in 16-pin TSSOP
and 3mm x 3mm thin QFN packages.
19-2365; Rev 4; 3/09
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.
Pin Configurations/Functional Diagrams/Truth Tables continued at end of data sheet.
TOP VIEW
COM1
NO1
NC2
NO2
Power Routing
Battery-Powered Systems
Audio and Video Signal Routing
Low-Voltage Data-Acquisition Systems
Communications Circuits
PCMCIA Cards
Cellular Phones
Modems
Hard Drives
ON
1
2
3
4
flatness. The digital logic input is +1.8V
COM2
NC1
16
5
________________________________________________________________ Maxim Integrated Products
THIN QFN-EP
GND
MAX4780
A0
15
6
General Description
ON
COM3
V+
14
7
= 20ns, t
0.7 Ω Ω , Low-Voltage, Quad 2:1 Analog
NO3
13
A1
Pin Configurations/Functional Diagrams/Truth Tables
8
Applications
OFF
12
11
10
9
= 8ns), handle
NC4
NO4
COM4
NC3
ON
), and
EN
1
0
0
A0
A1
0
1
0
1
A0
MAX4780
MAX4784
X
0
1
ON SWITCH
ON SWITCH
ON SWITCH
o Single-Supply Operation from 1.6V to 4.2V
o Low R
o 0.1Ω R
o 3mm x 3mm Thin QFN Package
o +1.8V CMOS Logic Compatible
o Fast Switching: t
COM1-NC1
COM2-NC2
COM3-NC3
COM4-NC4
COM1-NO1
COM2-NO2
COM3-NO3
COM4-NO4
* EP = Exposed pad.
NO1, NO2
NO3, NO4
NC1, NC2
NC3, NC4
MAX4780ETE
MAX4780EUE
MAX4784ETE
MAX4784EUE
NONE
0.7Ω (+2.7V Supply)
2Ω (+1.8V Supply)
PART
ON
ON
COM1
NO1
NC2
NO2
Flatness (+2.7V Supply)
1
2
3
4
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
TEMP RANGE
ON
Ordering Information
COM2
NC1
16
5
= 20ns, t
Multiplexers
THIN QFN-EP
GND
MAX4784
A0
15
6
CONTROL LOGIC
COM3
OFF
V+
14
7
16 Thin QFN-EP*
16 TSSOP
16 Thin QFN-EP*
16 TSSOP
PIN-PACKAGE
= 8ns
NO3
EN
13
8
Features
12
11
10
9
NC4
NO4
COM4
NC3
1

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MAX4784 Summary of contents

Page 1

... When powered from a +2.7V supply, the MAX4780/ MAX4784 feature low 0.7Ω on-resistance (R 0.1Ω R flatness. The digital logic input is +1.8V ON CMOS-logic compatible when using a single +3V supply. The MAX4780/MAX4784 are available in 16-pin TSSOP and 3mm x 3mm thin QFN packages. Applications Power Routing Battery-Powered Systems Audio and Video Signal Routing ...

Page 2

... NO_ or NC_ Off-Leakage I NO_(OFF) Current (Note 7) I NC_(OFF) COM_ Off-Leakage Current I COM_(OFF) (MAX4784 Only) (Note 7) COM_ On-Leakage Current I COM_(ON) (Note 7) 2 _______________________________________________________________________________________ Continuous Power Dissipation (T 16-Pin Thin QFN (derate 14.7mW/°C above +70°C)......................................................1176.5mW 16-Pin TSSOP (derate 9.4mW/°C above +70°C) .........755mW Operating Temperature Range ...........................-40° ...

Page 3

Low-Voltage, Quad 2:1 Analog ELECTRICAL CHARACTERISTICS—Single +3V Supply (continued) (V+ = +2.7V to +4.2V +1.4V +25°C.) (Notes PARAMETER SYMBOL SWITCH DYNAMIC CHARACTERISTICS Turn-On Time t ON ...

Page 4

... V COM Analog Signal Range V V On-Resistance NO_ or NC_ Off-Leakage I NO_(OFF) Current (Note 7) I NC_(OFF) COM_ Off-Leakage Current I COM_(OFF) (MAX4784 Only) (Note 7) COM_ On-Leakage Current I COM_(ON) (Note 7) SWITCH DYNAMIC CHARACTERISTICS Turn-On Time Turn-Off Time Break-Before-Make (Note 8) t Charge Injection 4 _______________________________________________________________________________________ = unless otherwise specified. Typical values are at T ...

Page 5

... LOGIC INPUT (A_, EN) Input Logic-High Input Logic-Low Input Leakage Current Note 2: The algebraic convention, where the most negative value is a minimum and the most positive value is a maximum, is used in this data sheet. Note 3: -40°C specifications are guaranteed by design. and ∆R ...

Page 6

Low-Voltage, Quad 2:1 Analog Multiplexers (T = +25°C, unless otherwise noted.) A CHARGE INJECTION vs. V COM +3. +1. 0.5 1.0 1.5 2.0 2.5 3.0 ...

Page 7

... Detailed Description The MAX4780/MAX4784 are low 0.7Ω ( +2.7V) on-resistance, low-voltage, quad 2:1 analog multiplexers/ demultiplexers that operate from a +1.6V to +4.2V single supply. CMOS switch construction allows switching analog signals that are within the supply voltage range (GND to V+). When powered from a +2.7V supply, the 0.7Ω R allows high continuous currents to be switched in a variety of applications ...

Page 8

... Low-Voltage, Quad 2:1 Analog Multiplexers The MAX4780/MAX4784 logic inputs can be driven up to +4.2V regardless of the supply voltage. For example, with a +1.8V supply, A_ and EN may be driven low to GND and high to +4.2V. Driving A_ and EN rail-to-rail minimizes power consumption. Drive EN low to enable the COM_ outputs. When EN is high, the COM_ outputs are high impedance ...

Page 9

... OFF-ISOLATION IS MEASURED BETWEEN COM AND "OFF" NO TERMINAL ON EACH SWITCH. ON-LOSS IS MEASURED BETWEEN COM AND "ON" NO TERMINAL ON EACH SWITCH. CROSSTALK IS MEASURED FROM ONE CHANNEL TO ALL OTHER CHANNELS. SIGNAL DIRECTION THROUGH SWITCH IS REVERSED; WORST VALUES ARE RECORDED. *MAX4784 ONLY. Figure 5. Off-Isolation, On-Loss, and Crosstalk _______________________________________________________________________________________ Test Circuits/Timing Diagrams (continued) ...

Page 10

... Multiplexers Pin Configurations/Functional Diagrams/Truth Tables (continued) TOP VIEW A0 1 NC1 2 NO1 3 COM1 4 NC2 5 NO2 6 COM2 7 GND 8 Chip Information PROCESS: CMOS 10 ______________________________________________________________________________________ MAX4780 MAX4784 CONTROL LOGIC 15 A1 NC1 2 14 NC4 NO1 3 13 NO4 COM1 4 12 COM4 NC2 5 11 NC3 NO2 ...

Page 11

... Added exposed pad information 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. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 11 © ...

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