參數(shù)資料
型號： MAX212EAG+T
廠商： Maxim Integrated Products
文件頁數(shù)： 4/8頁
文件大?。?/td> 0K
描述： IC TXRX RS-232 LP 24-SSOP
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： 收發(fā)器
驅(qū)動器/接收器數(shù)： 3/5
規(guī)程： RS232
電源電壓： 3 V ~ 3.6 V
安裝類型： 表面貼裝
封裝/外殼： 24-SSOP（0.209"，5.30mm 寬）
供應(yīng)商設(shè)備封裝： 24-SSOP
包裝： 帶卷 (TR)
MAX212
+3V-Powered, Low-Power,
True RS-232 Transceiver
4
_______________________________________________________________________________________
____________________________Typical Operating Characteristics (continued)
(VCC = 3.3V, TA = +25°C, unless otherwise noted.)
500
1500
2500
3500
LOAD CAPACITANCE (pF)
SLEW
RATE
(V/
s)
6
7
9
10
12
11
SLEW RATE vs.
LOAD CAPACITANCE
212
GR6
4500
8
RISING EDGE
ALL TRANSMITTERS
LOADED SIMULTANEOUSLY
w/ SPECIFIED CAPACITANCE AND 3k
13
14
FALLING EDGE
NAME
FUNCTION
LN
LP
VCC
Supply Voltage Input, 3.0V to 3.6V
1
2
–
S
—
D
EN
R1OUT-
R5OUT
Receiver Outputs, swing GND
to VCC
T1IN-T3IN
Transmitter Inputs
3
4
5
Transmitter Outputs
R5IN-R1IN
Receiver Inputs
6-10
11-13
15-17
18-22
_____________________Pin Description
PIN
T3OUT-
T1OUT
V+
Positive Supply generated on-board
23
GND
Ground
24
V-
14
Inductor/Diode Connection Point
Shutdown Control. Connect to VCC
for normal operation. Connect to
GND to shut down the power supply
and to disable the drivers. Receiver
status is not changed by this control.
Receiver Enable Control. Connect
to VCC for normal operation.
Connect to GND to force the
receiver outputs into a high-Z state.
Negative Supply generated on-board
_______________Detailed Description
The MAX212 line driver/receiver is intended for 3V-
powered EIA/TIA-232E and V.28/V.24 communications
interfaces where 3 drivers and 5 receivers are
required. The operating voltage range extends from
3.6V down to 3.0V while still maintaining true RS-232
and EIA/TIA-562 transmitter output voltage levels.
The circuit comprises three sections: power supply,
transmitters, and receivers. The power-supply sec-
tion converts the supplied 3V to about ±6.5V, to pro-
vide the voltages necessary for the drivers to meet
true RS-232 levels. External components are small
and inexpensive.
The transmitters and receivers are guaranteed to oper-
ate at data rates of 120kbps.
A shutdown mode reduces current to 1A to extend
battery life in portable systems. While shut down, all
receivers can remain active or can be disabled under
logic control. This enables a system incorporating the
MAX212 to be in low-power shutdown mode and still
monitor incoming RS-232 activity.
Three-state drivers on all receiver outputs are provided
so that multiple receivers, generally of different inter-
face standards, can be wire-ORed at the UART.
2.5
3.0
3.5
4.0
SUPPLY VOLTAGE (V)
SUPPLY
POWER
(mW)
80
100
120
140
180
160
SUPPLY POWER vs.
SUPPLY VOLTAGE
4.5
212
GR2
120kbps
ALL TRANSMITTERS
AT SPECIFIED DATA RATES
w/ 2500pF AND 3k
LOADS
64kbps
20kbps
0
1000
2000
3000
LOAD CAPACITANCE (pF)
SUPPLY
CURRENT
(mA)
20
30
40
50
70
60
SUPPLY CURRENT vs.
LOAD CAPACITANCE
5000
212
GR3
120kbps
64kbps
20kbps
4000
80
ALL TRANSMITTERS
AT SPECIFIED CAPACITANCE AND
DATA RATES w/ 3k
LOADS
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX212EVKIT-SO 功能描述:RS-232接口集成電路 +3V-Powered Low-Power True RS-232 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:
MAX212EVKIT-SS0P 制造商:Maxim Integrated Products 功能描述:- Bulk
MAX212EWG 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:
MAX212EWG+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:
MAX212EWG-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:
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