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參數(shù)資料
| 型號(hào)： | MAX3218EAP+T |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRS RS-232 W/SHTDWN 20SSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,000 |
| 類型： | 線路收發(fā)器 |
| 驅(qū)動(dòng)器/接收器數(shù)： | 2/2 |
| 規(guī)程： | RS232 |
| 電源電壓： | 1.8 V ~ 4.25 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-SSOP（0.209"，5.30mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 20-SSOP |
| 包裝： | 帶卷 (TR) |
_______________General Description
The MAX3218 RS-232 transceiver is intended for bat -
tery-powered EIA/TIA-232E and V.28/V.24 communica-
tions interfaces that need two drivers and two receivers
with minimum power consumption from a single low-
voltage supply. It provides a wide +1.8V to +4.25V
operating voltage range while maintaining true RS-232
and EIA/TIA-562 voltage levels. The MAX3218 runs
from two alkaline, NiCd, or NiMH cells without any form
of voltage regulator. A guaranteed 120kbps data rate
provides compatibility with popular software for com -
municating with personal computers.
Supply current is reduced to 1 A with Maxim’s new
AutoShutdown feature. When the MAX3218 does not
sense a valid signal level on the receiver inputs, the on-
board power-supply and drivers shut down. This
occurs if the RS-232 cable is disconnected or if the
transmitters of the connected peripheral are turned off.
The system turns on again when a valid level is applied
to either RS-232 receiver input. As a result, the system
saves power without changes to the existing software.
Additionally, the MAX3218 can be forced into or out of
shutdown, under logic control.
While shut down, all receivers can remain active or can
be disabled under logic control, permitting a system
incorporating the CMOS MAX3218 to monitor external
devices while in low-power shutdown. Three-state dri -
vers are provided on both receiver outputs so that multi -
ple receivers, generally of different interface standards,
can be on the same bus. The MAX3218 is available in
20-pin DIP and SSOP packages.
________________________Applications
Battery-Powered Equipment
Subnotebook Computers
PDAs
Hand-Held Equipment
Peripherals
Cellular Phones
____________________________Features
BETTER THAN BIPOLAR!
o 1A Supply Current Using AutoShutdown
o Operates Directly from Two Alkaline,
NiCd or NiMH Cells
o +1.8V to +4.25V Single-Supply Voltage Range
o 120kbps Data Rate Guaranteed
o Low-Cost Surface-Mount Components
o Meets EIA/TIA-232E Specifications
o Three-State Receiver Outputs
o Flow-Through Pinout
o On-Board DC-DC Converters
o 20-Pin SSOP and DIP Packages
______________Ordering Information
Contact factory for dice specifications.
MAX3218
*
1A Supply Current, 1.8V to 4.25V-Powered
RS-232 Transceiver with AutoShutdown
________________________________________________________________
Maxim Integrated Products
1
Call toll free 1-800-998-8800 for free samples or literature.
PART
MAX3218CPP
MAX3218CAP
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
20 Plastic DIP
20 SSOP
19-0380; Rev 0; 3/95
MAX3218C/D
MAX3218EPP
-40°C to +85°C
0°C to +70°C
Dice
20 Plastic DIP
*
AutoShutdown is a trademark of Maxim Integrated Products.
MAX3218EAP
-40°C to +85°C
20 SSOP
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
GND
V+
C1+
GND
FORCEON
FORCEOFF
INVALID
LX
TOP VIEW
C1-
V-
T1OUT
T2OUT
T2IN
T1IN
VCC
GND
12
11
9
10
R1IN
R2IN
R2OUT
R1OUT
DIP/SSOP
MAX3218
__________________Pin Configuration
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3218EPP | 功能描述:RS-232接口集成電路 RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MAX3218EWP | 功能描述:RS-232接口集成電路 RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MAX3218EWP-T | 功能描述:RS-232接口集成電路 RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MAX321C/D | 功能描述:模擬開關(guān) IC RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX321CPA | 功能描述:模擬開關(guān) IC RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
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