參數(shù)資料
型號(hào)： MAX3244ECAI
廠商： Maxim Integrated Products
文件頁數(shù)： 9/21頁
文件大?。?/td> 0K
描述： IC TXRX RS232 250KBPS SD 28-SSOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 46
類型： 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù)： 3/5
規(guī)程： RS232
電源電壓： 3 V ~ 5.5 V
安裝類型： 表面貼裝
封裝/外殼： 28-SSOP（0.209"，5.30mm 寬）
供應(yīng)商設(shè)備封裝： 28-SSOP
包裝： 管件
±15kV ESD-Protected, 1A, 1Mbps 3.0V to 5.5V,
RS-232 Transceivers with AutoShutdown Plus
Mouse Driveability
The MAX3244E/MAX3245E are specifically designed to
power serial mice while operating from low-voltage
power supplies. They have been tested with leading
mouse brands from manufacturers such as Microsoft
and Logitech. The MAX3244E/MAX3245E successfully
drove all serial mice tested and met their respective
current and voltage requirements. The MAX3244E/
MAX3245E dual charge pump ensures the transmitters
supply at least ±5V during worst-case conditions.
Figure 13b shows the transmitter output voltages under
increasing load current. Figure 13a shows a typical
mouse connection.
Interconnection with 3V and 5V Logic
The MAX3224E–MAX3227E/MAX3244E/MAX3245E can
directly interface with various 5V logic families, includ-
ing ACT and HCT CMOS. See Table 4 for more informa-
tion on possible combinations of interconnections.
Table 5 lists other Maxim ESD-powered transceivers.
SYSTEM
POWER-SUPPLY
VOLTAGE (V)
COMPATIBILITY
3.3
Compatible with all CMOS families
5
Compatible with all TTL and CMOS families
VCC SUPPLY
VOLTAGE
(V)
3.3
5
Compatible with ACT and HCT CMOS, and with AC, HC, or CD4000 CMOS
3.3
PART
SUPPLY
VOLTAGE
RANGE
(V)
NO.
OF
Tx/Rx
GUARANTEED
DATA RATE
(kbps)
MAX3241E
+3.0 to +5.5
3/5
250
MAX3243E
+3.0 to +5.5
3/5
250
MAX3244E
+3.0 to +5.5
3/5
250
MAX3245E
+3.0 to +5.5
3/5
1Mbps
MAX3232E
+3.0 to +5.5
2/2
250
MAX3222E
+3.0 to +5.5
2/2
250
MAX3223E
+3.0 to +5.5
2/2
250
MAX3224E
+3.0 to +5.5
2/2
250
MAX3225E
+3.0 to +5.5
2/2
1Mbps
MAX3221E
+3.0 to +5.5
1/1
250
MAX3227E
+3.0 to +5.5
1/1
1Mbps
MAX3226E
+3.0 to +5.5
1/1
250
SUPPLY
CURRENT
(
A)
300
1
300
1
Auto-
Shutdown
Plus
—
Yes
—
Yes
—
Yes
Auto-
Shutdown
—
Yes
—
Yes
—
Yes
—
Human
Body
Model
(kV)
±15
IEC 1000-4-2
Contact
Discharge
(kV)
±8
IEC 1000-4-2
Air-Gap
Discharge
(kV)
±15
Figure 13b. MAX324_E Transmitter Output Voltage vs. Load
Current per Transmitter
-6
-5
-4
-3
-2
-1
0
1
2
3
4
5
6
0
123456789
10
MAX2343E-FIG15
LOAD CURRENT PER TRANSMITTER (mA)
TRANSMITTER
OUTPUT
VOLTAGE
(V)
VOUT+
VOUT-
VOUT+
VOUT-
VCC
VCC = 3.0V
Table 5. ±15kV ESD-Protected, 3.0V to 5.5V Powered RS-232 Transceivers from Maxim
Table 4. Logic Family Compatibility with Various Supply Voltages
Maxim Integrated
17
MAX3224E/MAX3225E/
MAX3226E/MAX3227E/MAX3244E/MAX3245E
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX3244ECAI+ 功能描述:RS-232接口集成電路 3-5.5V 1Mbps Transceiver 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:
MAX3244ECAI+ 制造商:Maxim Integrated Products 功能描述:TRANCEIVER ((NW))
MAX3244ECAI+T 功能描述:RS-232接口集成電路 3-5.5V 1Mbps Transceiver 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:
MAX3244ECAI-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:
MAX3244ECUI 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:
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