參數資料
型號: MAX221EEUE+T
廠商: Maxim Integrated Products
文件頁數: 4/8頁
文件大小: 0K
描述: IC TXRX RS-232 5V 16-TSSOP
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 2,500
類型: 收發(fā)器
驅動器/接收器數: 1/1
規(guī)程: RS232
電源電壓: 4.5 V ~ 5.5 V
安裝類型: 表面貼裝
封裝/外殼: 16-TSSOP(0.173",4.40mm 寬)
供應商設備封裝: 16-TSSOP
包裝: 帶卷 (TR)
MAX221
+5V, 1A, Single RS-232 Transceiver
with AutoShutdown
4
_______________________________________________________________________________________
Typical Operating Characteristics
(VCC = +5V, 250kbps data rate, 0.1F capacitors, transmitter loaded with 3k and CL, TA = +25°C, unless otherwise noted.)
-10
-6
-8
-2
-4
2
0
4
8
6
10
0
1000
2000
3000
4000
5000
TRANSMITTER OUTPUT
VOLTAGE vs. LOAD CAPACITANCE
MAX221-01
LOAD CAPACITANCE (pF)
TRANSMITTER
OUTPUT
VOLTAGE
(V)
250kbps
120kbps
20kbps
120kbps
0
10
20
30
40
50
0
1000
2000
3000
4000
5000
SLEW RATE vs.
LOAD CAPACITANCE
MAX221-02
LOAD CAPACITANCE (pF)
SLEW
RATE
(V/
s)
+SLEW
-SLEW
0
10
20
30
40
50
0
1000
2000
3000
4000
5000
OPERATING SUPPLY
CURRENT vs. LOAD CAPACITANCE
MAX221-03
LOAD CAPACITANCE (pF)
SUPPLY
CURRENT
(mA)
250kbps
20kbps
120kbps
FUNCTION
PIN
NAME
1
EN
Receiver Enable Control. Drive low for normal operation. Drive high to force the receiver output
(ROUT) into a high-impedance state.
2
C1+
Positive Terminal of the Voltage Doubler Charge-Pump Capacitor
3
V+
Positive Voltage Generated by the Charge Pump
7
V-
Negative Voltage Generated by the Charge Pump
6
C2-
Negative Terminal of the Inverting Charge-Pump Capacitor
5
C2+
Positive Terminal of the Inverting Charge-Pump Capacitor
4
C1-
Negative Terminal of the Voltage Doubler Charge-Pump Capacitor
12
FORCEON
Drive high to override automatic circuitry, keeping transmitter and charge pump on.
FORCEOFF must be high (Table 1).
11
TIN
TTL/CMOS Transmitter Input
10
INVALID
Output of the Invalid Signal Detector. INVALID is pulled low if no valid RS-232 level is present on
the receiver input.
9
ROUT
TTL/CMOS Receiver Output
8
RIN
RS-232 Receiver Input
Pin Description
16
FORCEOFF
Force-Off Input, active low. Drive low to shut down transmitter, receiver, and on-board charge
pump. This overrides all automatic circuitry and FORCEON (Table 1).
15
VCC
+4.5V to +5.5V Supply Voltage
14
GND
Ground
13
TOUT
RS-232 Transmitter Output
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參數描述
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MAX221EUE+ 功能描述:RS-232接口集成電路 5V 1uA Single RS-232 Txr w/AutoShut RoHS:否 制造商:Exar 數據速率: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:
MAX221EUE+T 功能描述:RS-232接口集成電路 5V 1uA Single RS-232 Txr w/AutoShut RoHS:否 制造商:Exar 數據速率: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:
MAX221EUE-T 功能描述:RS-232接口集成電路 RoHS:否 制造商:Exar 數據速率: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:
MAX222 制造商:TI 制造商全稱:Texas Instruments 功能描述:5-V DUAL RS-232 LINE DRIVER/RECEIVER WITH +-15-kV ESD PROTECTION