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參數資料
| 型號： | MAX4798 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 450mA/500mA Current-Limit Switches |
| 中文描述： | 450mA/500mA限流開關 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 318K |
| 代理商： | MAX4798 |
General Description
The MAX4731/MAX4732/MAX4733 low-voltage, dual,
single-pole/single-throw (SPST) analog switches oper-
ate from a single +2V to +11V supply and handle Rail-
to-Rail
analog signals. These switches exhibit low
leakage current (0.1nA) and consume less than 0.5nW
(typ) of quiescent power, making them ideal for battery-
powered applications.
When powered from a +3V supply, these switches fea-
ture 50
(max) on-resistance (R
ON
) with 3.5
(max)
matching between channels, and 9
(max) flatness
over the specified signal range.
The MAX4731 has two normally open (NO) switches,
the MAX4732 has two normally closed (NC) switches,
and the MAX4733 has one NO and one NC switch. The
MAX4731/MAX4732/MAX4733 are available in a
9-bump chip-scale package (UCSP) and an 8-pin
μMAX package. The tiny UCSP occupies a 1.52mm
1.52mm area and significantly reduces the required PC
board area.
Applications
Battery-Powered Systems
Audio/Video-Signal Routing
Low-Voltage Data-Acquisition Systems
Cell Phones
Communications Circuits
PDAs
Features
o
1.52mm
1.52mm UCSP Package
o
Guaranteed On-Resistance (R
ON
)
25
(max) at +5V
50
(max) at +3V
o
On-Resistance Matching
3
(max) at +5V
3.5
(max) at +3V
o
Guaranteed <0.1nA Leakage Current at
T
A
= +25°C
o
Single-Supply Operation from +2.0V to +11V
o
TTL/CMOS-Logic Compatible
o
-108dB Crosstalk (1MHz)
o
-72dB Off-Isolation (1MHz)
o
Low Power Consumption: 0.5nW (typ)
o
Rail-to-Rail Signal Handling
M
50
Dual SPST Analog Switches in UCSP
________________________________________________________________
Maxim Integrated Products
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.
1
Ordering Information
19-2645; Rev 0; 10/02
PART
TEMP
RANGE
-40
°
C to +85
°
C
-40
°
C to +85
°
C
-40
°
C to +85
°
C
-40
°
C to +85
°
C
-40
°
C to +85
°
C
-40
°
C to +85
°
C
PIN/BUMP-
PACKAGE
8 μMAX
9 UCSP-9**
8 μMAX
9 UCSP-9**
8 μMAX
9 UCSP-9**
TOP
MARK
—
ABV
—
ABT
—
ABS
MAX4731
EUA
MAX4731EBL-T*
MAX4732
EUA
MAX4732EBL-T*
MAX4733
EUA
MAX4733EBL-T*
Note:
Requires special solder temperature profile described in
the Absolute Maximum Ratings section.
*
Future product—contact factory for availability.
NO2
V+
GND
IN2
IN1
NO1
COM1
COM2
TOP VIEW
(BUMPS
ON BOTTOM)
MAX4731
A1
B1
C1
C2
C3
B3
A3
A2
MAX4732
COM1
MAX4733
COM1
NC2
V+
GND
IN2
IN1
NC1
COM2
A1
B1
C1
C2
C3
B3
A3
A2
NC2
V+
GND
IN2
IN1
NO1
COM2
A1
B1
C1
C2
C3
B3
A3
A2
IN_
0
1
NO_
MAX4731
OFF
ON
SWITCHES SHOWN
IN_
0
1
NC_
MAX4732
ON
OFF
SWITCHES SHOWN
IN_
0
1
NO1
MAX4733
ON
OFF
SWITCHES SHOWN FOR LOGIC "0" INPUT
NC2
OFF
ON
Pin Configurations/Functional Diagrams/Truth Tables
**
UCSP reliability is integrally linked to the user’s assembly
methods, circuit board material, and environment. See the UCSP
Reliability section of this data sheet for more information.
UCSP is a trademark of Maxim Integrated Products, Inc.
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
Pin Configurations/Functional Diagrams/
Truth Tables continued at end of data sheet.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX4798ETT+T | 功能描述:電源開關 IC - 配電 450mA/500mA Current Limit Switch RoHS:否 制造商:Exar 輸出端數量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| MAX4798ETT-T | 功能描述:電源開關 IC - 配電 RoHS:否 制造商:Exar 輸出端數量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| MAX4798EUK | 制造商:Maxim Integrated Products 功能描述:- Cut Tape Product |
| MAX4798EUK+ | 制造商:Maxim Integrated Products 功能描述:CURRENT LIMIT SW 1-IN 1-OUT 2V TO 4.5V 0.8A 5PIN SOT-23 - Bulk |
| MAX4798EUK+T | 功能描述:電源開關 IC - 配電 450mA/500mA Current Limit Switch RoHS:否 制造商:Exar 輸出端數量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
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