General Description
The MAX4717/MAX4718 low-voltage, low on-resistance
(RON), dual single-pole/double throw (SPDT) analog
switches operate from a single +1.8V to +5.5V supply.
These devices are designed for USB 1.1 and audio
switching applications.
The MAX4717 features two 4.5
RON (max) SPDT
switches with 1.2
flatness and 0.3 matching between
channels. The MAX4718 features one 4.5
RON (max)
SPDT switch and one 20
RON (max) SPDT switch. The
20
switch has a guaranteed matching and flatness of
0.4
and 1.2, respectively. These switches offer break-
before-make switching (1ns) with tON <80ns and tOFF
<40ns at +2.7V. The digital logic inputs are +1.8V logic
compatible with a +2.7V to +3.6V supply.
These switches are packaged in a chip-scale package
(UCSP), significantly reducing the required PC board
area. The chip occupies only a 2.0mm 1.50mm area
and has a 4 3 bump array with a bump pitch of 0.5mm.
These switches are also available in 10-pin MAX and
10-pin TDFN packages.
Applications
USB 1.1 Signal Switching Circuits
Battery-Operated Equipment
Audio/Video-Signal Routing
Headphone Switching
Low-Voltage Data-Acquisition Systems
Sample-and-Hold Circuits
Cell Phones
PDAs
Features
USB 1.1 Signal Switching Compliant
(TID = 4000231)
2ns (max) Differential Skew
-3dB Bandwidth: > 300MHz
Low 15pF On-Channel Capacitance
Single-Supply Operation from +1.8V to +5.5V
4.5 RON (max) Switches (MAX4717/MAX4718)
0.3
(max) RON Match (+3.0V Supply)
1.2
(max) Flatness (+3.0V Supply)
20 RON (max) Switch (MAX4718)
0.4
(max) RON Match (+3.0V Supply)
1.2
(max) Flatness (+3.0V Supply)
Rail-to-Rail Signal Handling
High Off-Isolation: -55dB (10MHz)
Low Crosstalk: -80dB (10MHz)
Low Distortion: 0.03%
+1.8V CMOS-Logic Compatible
< 0.5nA Leakage Current at +25°C
MAX4717/MAX4718
4.5
/20, 300MHz Bandwidth, Dual SPDT
Analog Switches in UCSP
________________________________________________________________ Maxim Integrated Products
1
Ordering Information
19-2627; Rev 2; 9/05
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.
PART
TEMP RANGE
PIN/BUMP-
PACKAGE
TOP
MARK
MAX4717EUB
-40°C to +85°C
10 MAX
—
MAX4717ETB
-40°C to +85°C
10 TDFN-EP*
ACV
MAX4717EBC-T
-40°C to +85°C
12 UCSP-12
ABH
MAX4718EUB
-40°C to +85°C
10 MAX
—
MAX4718ETB
-40°C to +85°C
10 TDFN-EP*
ACW
MAX4718EBC-T
-40°C to +85°C
12 UCSP-12
ABI
COM2
COM1
NO2
NO1
NC2
IN2
IN1
NC1
GND
V+
IN_
0
1
NO_
MAX4717/MAX4718
OFF
ON
NC_
ON
SWITCHES SHOWN FOR LOGIC "0" INPUT
OFF
PART
MAX4717
MAX4718
SPDT1
4.5
4.5
4.5
20
SPDT2
UCSP
MAX4717/MAX4718
NC2
IN1
GND
NC1
2
3
9
8
COM2
IN2
COM1
NO1
1
10 NO2
V+
4
5
7
6
MAX
C1
C2
C3
C4
B4
A4
A3
A2
A1
B1
TOP VIEW
(BUMP SIDE DOWN)
COM1
IN1
NC1
NO1
V+
TDFN
MAX4717/MAX4718
IN2
NC2
GND
COM2
NO2
1
2
3
4
5
10
9
8
7
6
Pin Configurations/Functional Diagrams/Truth Tables
UCSP is a trademark of Maxim Integrated Products, Inc.
MAX is a registered trademark of Maxim Integrated Products, Inc.
*EP = Exposed paddle.