參數(shù)資料
型號(hào)： MAX3238CAI
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 7/12頁(yè)
文件大?。?/td> 0K
描述： IC TXRX RS232 250KBPS 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： 線路收發(fā)器
驅(qū)動(dòng)器/接收器數(shù)： 5/3
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
______________________________________________________________Pin Description
7.5
-5.0
-7.5
0
1000
3000
5000
TRANSMITTER OUTPUT VOLTAGE
vs. LOAD CAPACITANCE
-2.5
5.0
MAX3238
TOC-01
LOAD CAPACITANCE (pF)
TRANSMITTER
OUTPUT
VOLTAGE
(V)
2000
4000
2.5
0
VOUT+
VOUT–
FOR DATA RATES UP TO 250kbps
1 TRANSMITTER 250kbps
4 TRANSMITTERS 15.6kbps
LOADED 3k
+ CL
14
4
2
0
1000
3000
5000
SLEW RATE
vs. LOAD CAPACITANCE
6
12
MAX3238-02
SLEW
RATE
(V/
s)
LOAD CAPACITANCE (pF)
2000
4000
10
8
+SLEW
–SLEW
1 TRANSMITTER 250kbps
4 TRANSMITTERS 15.6kbps
LOADED 3k
+ CL
70
20
10
0
1000
3000
5000
SUPPLY CURRENT vs. LOAD CAPACITANCE
WHEN TRANSMITTING DATA
30
60
MAX3238
TOC-03
SUPPLY
CURRENT
(mA)
LOAD CAPACITANCE (pF)
2000
4000
50
40
250kbps
120kbps
20kbps
__________________________________________Typical Operating Characteristics
(VCC = +3.3V, 250kbps data rate, 0.1F capacitors, all transmitters loaded with 3k
, TA = +25°C, unless otherwise noted.)
MAX3238
+3.0V to +5.5V, 1A, up to 250kbps, True
RS-232 Transceiver with AutoShutdown Plus
4
_______________________________________________________________________________________
Positive Terminal of Voltage-Doubler Charge-Pump Capacitor
C1+
28
+5.5V Generated by the Charge Pump
V+
27
+3.0V to +5.5V Supply Voltage
VCC
26
NAME
FUNCTION
1
C2+
Positive Terminal of Inverting Charge-Pump Capacitor
2
GND
Ground
PIN
3
C2-
Negative Terminal of Inverting Charge-Pump Capacitor
4
V-
-5.5V Generated by the Charge Pump
14
FORCEOFF
Force-Off Input. Drive low to shut down transmitters, receivers (except R1OUTB), and on-
board supply. This overrides AutoShutdown Plus and FORCEON (Table 1).
13
FORCEON
Force-Off Input. Drive high to override AutoShutdown Plus, keeping transmitters and
receivers on (FORCEOFF must be high) (Table 1).
8, 9, 11
R_IN
RS-232 Receiver Inputs (R1IN–R3IN)
5, 6, 7, 10, 12
T_OUT
RS-232 Transmitter Outputs (T1OUT–T5OUT)
25
C1-
Negative Terminal of Voltage-Doubler Charge-Pump Capacitor
18, 20, 21
R_OUT
TTL/CMOS Receiver Outputs (R3OUT–R1OUT)
17, 19, 22, 23, 24
T_IN
TTL/CMOS Transmitter Inputs (T5IN–T1IN)
16
R1OUTB
Noninverting Complementary Receiver Output. Always active.
15
INVALID
Output of the Valid Signal Detector. A logic “1” indicates if a valid RS-232 level is present
on receiver inputs.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX3238CAI+ 功能描述:RS-232接口集成電路 3-5.5V 250kbps 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:
MAX3238CAI+T 功能描述:RS-232接口集成電路 3-5.5V 250kbps 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:
MAX3238CAI-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:
MAX3238CDB 功能描述:RS-232接口集成電路 3-5.5V Multichannel Line Drvr/Rcvr 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:
MAX3238CDB 制造商:Texas Instruments 功能描述:IC DVR/RCV RS-232MULTCH28-SSOP 制造商:Texas Instruments 功能描述:IC, DVR/RCV RS-232MULTCH28-SSOP 制造商:Texas Instruments 功能描述:IC, DVR/RCV RS-232MULTCH28-SSOP; Device Type:Line Driver / Receiver; Interface Type:RS232; No. of Drivers:5; Supply Voltage Min:3V; Supply Voltage Max:5.5V; Driver Case Style:SSOP; No. of Pins:28; Operating Temperature Min:0C; ;RoHS Compliant: Yes
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