MAX4635 Datasheet, PDF (1/11 Pages) Maxim Integrated Products – Fast, Low-Voltage, Dual 4Ω SPDT CMOS Analog Switches

19-1709; Rev 2; 5/03
Fast, Low-Voltage, Dual 4Ω SPDT
CMOS Analog Switches
General Description
The MAX4635/MAX4636 are fast, dual 4Ω single-
pole/double-throw (SPDT) analog switches that operate
with supply voltages from +1.8V to +5.5V. High switch-
ing speeds, 1Ω on-resistance flatness, and low power
consumption make these devices ideal for audio/video,
communications, and battery-operated devices.
Containing two independently controllable SPDT
switches in 10-pin µMAX and 10-pin 3mm x 3mm thin
QFN packages, the MAX4635/MAX4636 use little board
space, and have low power consumption ensuring min-
imal impact on your power budget. The analog signal
range extends to the supply rails. The MAX4635 has
inverted logic compared to the MAX4636.
________________________Applications
Battery-Powered Equipment
Relay Replacement
Audio and Video Signal Routing
Low-Voltage Data-Acquisition Systems
Sample-and-Hold Circuits
Communications Circuits
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
Features
o Guaranteed On-Resistance
4Ω (max) +5V Supply
5.5Ω (max) +3V Supply
o Guaranteed Match Between Channels
0.2Ω (max)
o Guaranteed Flatness Over Signal Range
1Ω (max) with +5V Supply
o Fast Switching Speeds
14ns (max) Turn-On Time
6ns (max) Turn-Off Time
o 1.8V Operation
100Ω (typ) On-Resistance Over Temperature
56ns (typ) Turn-On Time
17ns (typ) Turn-Off Time
o +1.8V to +5.5V Single-Supply Operation
o Rail-to-Rail^® Signal Handling
o Low Crosstalk: -67dB at 1MHz
o High Off-Isolation: -65dB at 1MHz
o THD: 0.1%
Ordering Information
PART
TEMP RANGE
MAX4635EUB -40°C to +85°C
MAX4635ETB -40°C to +85°C
MAX4636EUB -40°C to +85°C
MAX4636ETB -40°C to +85°C
PIN-
PACKAGE
10 µMAX
10 Thin
QFN (3 ✕ 3)
10 µMAX
10 Thin
QFN (3 ✕ 3)
TOP
MARK
—
AAT
—
AAO
Pin Configuration/Functional Diagram/Truth Table
TOP VIEW
IN1 1
NO1 2
GND 3
NO2 4
IN2 5
MAX4635
µMAX
10 COM1 IN1 1
9 NC1 NC1 2
8 V+ GND 3
7 NC2 NC2 4
6 COM2 IN2 5
MAX4636
10 COM1 IN1 1
9 NO1 NO1 2
8 V+ GND 3
7 NO2 NO2 4
6 COM2 IN2 5
MAX4635
10 COM1 IN1 1
9 NC1 NC1 2
8 V+ GND 3
7 NC2 NC2 4
6 COM2 IN2 5
MAX4636
10 COM1
9 NO1
8 V+
7 NO2
6 COM2
µMAX
3 x 3 THIN QFN
3 x 3 THIN QFN
IN_ NO_ TO COM_ NC_ TO COM_
0
OFF
ON
1
ON
OFF
SWITCHES SHOWN FOR "0" INPUT
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.