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參數(shù)資料
| 型號： | MAX221 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Quadruple Bus Buffer Gates With 3-State Outputs 14-TSSOP -40 to 85 |
| 中文描述： | +5V、1µA、單路RS-232收發(fā)器，帶有AutoShutdown |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 110K |
| 代理商： | MAX221 |
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
General Description
The MAX221 is a +5V-powered, single transmit/receive
RS-232 and V.28 communications interface with auto-
matic shutdown/wake-up features and high data rate
capabilities.
The MAX221 achieves a low 1μA supply current with
Maxim’s revolutionary AutoShutdown feature.
AutoShutdown saves power without changes to the
existing BIOS or operating system by entering low-
power shutdown mode when the RS-232 cable is dis-
connected, or when the transmitter of the connected
peripheral is off. The MAX221 wakes up and drives the
INVALID
pin high when an active RS-232 cable is con-
nected, signaling the host that a peripheral is connect-
ed to the communications port.
The MAX221 is available in a 16-pin SSOP package as
well as a 16-pin TSSOP that uses 50% less board space
than a 16-pin SO. For an equivalent RS-232 transceiver
with enhanced ±15kV ESD protection, refer to the
MAX221E data sheet.
Applications
Maintenance/Diagnostic Ports
Industrial Systems
Telecommunications
Set-Top Boxes
Features
o
Single RS-232 Transceiver in a Small 16-Pin
TSSOP Package
o
1μA Supply Current
o
AutoShutdown Saves Power Without
Changes to BIOS
o
Guaranteed 250kbps Data Rate
M
+5V, 1μA, Single RS-232 Transceiver
with AutoShutdown
________________________________________________________________ Maxim Integrated Products
1
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
EN
FORCEOFF
V
CC
GND
TOUT
FORCEON
TIN
INVALID
ROUT
TOP VIEW
MAX221
TSSOP/SSOP
C1+
V+
C2-
C1-
C2+
V-
RIN
MAX221
FORCEON
EN
12
1
ROUT
9
FORCEOFF
16
INVALID
10
GND
14
TIN
11
C2-
6
C2+
5
C1-
4
C1+
2
RIN 8
TOUT
13
V-
7
V+
3
V
CC
V
CC
C4
0.1
μ
F
C3
0.1
μ
F
0.1
μ
F
15
C1
0.1
μ
F
C2
0.1
μ
F
C
BYPASS
+5V
TO POWER-
MANAGEMENT
UNIT
CAPACITORS MAY BE POLARIZED OR UNPOLARIZED.
5k
Typical Operating Circuit
19-1520; Rev 0; 8/99
PART
MAX221CUE
MAX221CAE
MAX221EUE
MAX221EAE
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
16 TSSOP
16 SSOP
16 TSSOP
16 SSOP
AutoShutdown is a trademark of Maxim Integrated Products.
Pin Configuration
Ordering Information
相關PDF資料 |
PDF描述 |
|---|---|
| MAX221CAE | %V, 1レA, Single RS-232 Transceiver with AutoShutdown |
| MAX221CUE | Quadruple Bus Buffer Gates With 3-State Outputs 14-TSSOP -40 to 85 |
| MAX221EAE | Quadruple Bus Buffer Gates With 3-State Outputs 14-VQFN -40 to 85 |
| MAX221EUE | 16-Bit Buffers/Drivers With 3-State Outputs 48-TVSOP -40 to 85 |
| MAX2232 | 16-Bit Buffers/Drivers With 3-State Outputs 48-SSOP -40 to 85 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX2216 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Miniature Chip-Scale GSM900/DCS1800/PCS1900 Power Amplifier |
| MAX2216EBV | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube 制造商:Rochester Electronics LLC 功能描述: |
| MAX2216EBV-T | 功能描述:射頻放大器 RoHS:否 制造商:Skyworks Solutions, Inc. 類型:Low Noise Amplifier 工作頻率:2.3 GHz to 2.8 GHz P1dB:18.5 dBm 輸出截獲點:37.5 dBm 功率增益類型:32 dB 噪聲系數(shù):0.85 dB 工作電源電壓:5 V 電源電流:125 mA 測試頻率:2.6 GHz 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 封裝:Reel |
| MAX2216EVKIT | 功能描述:放大器 IC 開發(fā)工具 RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評估:IR4302 工作電源電壓:13 V to 23 V |
| MAX221CAE | 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 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
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