MAX4717_05 Datasheet, PDF (1/16 Pages) Maxim Integrated Products – 4.5OHM/20OHM, 300MHz Bandwidth, Dual SPDT Analog Switches in UCSP

19-2627; Rev 2; 9/05
4.5Ω/20Ω, 300MHz Bandwidth, Dual SPDT
Analog Switches in UCSP
General Description
The MAX4717/MAX4718 low-voltage, low on-resistance
(R_ON), 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 4.5Ω R_ON (max) SPDT
switches with 1.2Ω flatness and 0.3Ω matching between
channels. The MAX4718 features one 4.5Ω R_ON (max)
SPDT switch and one 20Ω R_ON (max) SPDT switch. The
20Ω switch has a guaranteed matching and flatness of
0.4Ω and 1.2Ω, respectively. These switches offer break-
before-make switching (1ns) with t_ON <80ns and t_OFF
<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 µMAX^® 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
UCSP is a trademark of Maxim Integrated Products, Inc.
µMAX is a registered trademark of Maxim Integrated Products, Inc.
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
♦ 4.5Ω R_ON (max) Switches (MAX4717/MAX4718)
0.3Ω (max) R_ON Match (+3.0V Supply)
1.2Ω (max) Flatness (+3.0V Supply)
♦ 20Ω R_ON (max) Switch (MAX4718)
0.4Ω (max) R_ON Match (+3.0V Supply)
1.2Ω (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
Ordering Information
PART
TEMP RANGE
PIN/BUMP-
PACKAGE
MAX4717EUB
MAX4717ETB
-40°C to +85°C 10 µMAX
-40°C to +85°C 10 TDFN-EP*
MAX4717EBC-T
MAX4718EUB
-40°C to +85°C 12 UCSP-12
-40°C to +85°C 10 µMAX
MAX4718ETB
-40°C to +85°C 10 TDFN-EP*
MAX4718EBC-T -40°C to +85°C 12 UCSP-12
*EP = Exposed paddle.
TOP
MARK
—
ACV
ABH
—
ACW
ABI
Pin Configurations/Functional Diagrams/Truth Tables
TOP VIEW
(BUMP SIDE DOWN)
MAX4717/MAX4718
GND
MAX4717/MAX4718
NC1 C1
B1
A1 NC2
V+ 1
10 NO2
IN1 C2
COM1 C3
A2 IN2
NO1 2
COM1 3
A3 COM2
IN1 4
9 COM2
8 IN2
7 NC2
NO1 C4
B4
A4 NO2
NC1 5
6 GND
V+
UCSP
TDFN
PART
MAX4717
MAX4718
SPDT1
4.5Ω
4.5Ω
SPDT2
4.5Ω
20Ω
MAX4717/MAX4718
IN_
NO_
NC_
0
OFF
ON
1
ON
OFF
SWITCHES SHOWN FOR LOGIC "0" INPUT
MAX4717/MAX4718
V+ 1
NO1 2
COM1 3
IN1 4
NC1 5
10 NO2
9 COM2
8 IN2
7 NC2
6 GND
µMAX
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