Datasheet 搜索 > 模拟开关芯片 > Maxim Integrated（美信） > MAX4721EUA+ 数据手册 > MAX4721EUA+ 数据手册 1/14 页
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MAX4721EUA+ 数据手册 - Maxim Integrated（美信）
制造商:
Maxim Integrated（美信）
分类:
模拟开关芯片
封装:
uMAX-8
描述:
MAXIM INTEGRATED PRODUCTS MAX4721EUA+ 模拟开关, CMOS, SPST, 2 放大器, 4.5 ohm, 1.8V 至 5.5V, µMAX, 8 引脚
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MAX4721EUA+数据手册
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General Description
The MAX4721/MAX4722/MAX4723 low-voltage, low on-
resistance (R
ON
), dual single-pole/single throw (SPST)
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 MAX4721/MAX4722/MAX4723 feature 4.5Ω R
ON
(max) with 1.2Ω flatness and 0.3Ω matching between
channels. These new switches feature guaranteed
operation from +1.8V to +5.5V and are fully specified at
3V and 5V. 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 compati-
ble 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 1.52mm ✕ 1.52mm area
and has a 3 ✕ 3 bump array with a bump pitch of
0.5mm. These switches are also available in an 8-pin
µMAX package.
Applications
Battery-Operated Equipment
Audio/Video-Signal Routing
Low-Voltage Data-Acquisition Systems
Sample-and-Hold Circuits
Communications Circuits
Features
♦ USB 1.1 Signal Switching
♦ <2ns Differential Skew
♦ -3dB Bandwidth: >300MHz
♦ Low 15pF On-Channel Capacitance
♦ Low R
ON
(max) Switches
4.5Ω (max) (+3V Supply)
3Ω (max) (+5V Supply)
♦ 0.3Ω (max) R
ON
Match (+3V Supply)
♦ 1.2Ω (max) R
ON
Flatness (+3V Supply)
♦ <0.5nA Leakage Current at T
A
= +25°C
♦ High Off-Isolation: -55dB (10MHz)
♦ Low Crosstalk: -80dB (10MHz)
♦ Low Distortion: 0.03%
♦ +1.8V CMOS-Logic Compatible
♦ Single-Supply Operation from +1.8V to +5.5V
♦ Rail-to-Rail
®
Signal Handling
MAX4721/MAX4722/MAX4723
4.5
Ω
Dual SPST Analog Switches in UCSP
________________________________________________________________ Maxim Integrated Products 1
Ordering Information
19-2632; Rev 0; 10/02
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
MAX4721EUA -40°C to +85°C 8 µMAX —
MAX4721EBL-T* -40°C to +85°C 9 UCSP-9 ABP
MAX4722EUA -40°C to +85°C 8 µMAX —
MAX4722EBL-T* -40°C to +85°C 9 UCSP-9 ABQ
MAX4723EUA -40°C to +85°C 8 µMAX —
MAX4723EBL-T* -40°C to +85°C 9 UCSP-9 ABR
MAX4721
UCSP
TOP VIEW
(BUMP SIDE DOWN)
IN_
LOW
HIGH
NO_
OFF
ON
NC_
ON
OFF
C
B
A
123
IN2
COM1
NO1
GND
V+
NO2
COM2
IN1
MAX4722
C
B
A
123
IN2
COM1
NC1
GND
V+
NC2
COM2
IN1
MAX4723
C
B
A
123
IN2
COM1
NO1
GND
V+
NC2
COM2
IN1
UCSP
UCSP
Pin Configurations/Functional Diagrams/Truth Tables
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
UCSP is a trademark of Maxim Integrated Products, Inc.
Note: UCSP package requires special solder temperature pro-
file described in the Absolute Maximum Ratings section.
*UCSP reliability is integrally linked to the user’s assembly meth-
ods, circuit board material, and environment. See the UCSP reli-
ability notice in the UCSP Reliability section of this data sheet for
more information.
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