參數(shù)資料
型號(hào)： MAX3238EEAI
廠商： Maxim Integrated Products
文件頁數(shù)： 9/14頁
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
-6
-2
-4
2
0
4
6
-5
-3
1
-1
3
5
0
1000
1500
500
2000
2500
3000
TRANSMITTER OUTPUT VOLTAGE
vs. LOAD CAPACITANCE
MAX3238E
toc01
LOAD CAPACITANCE (pF)
TRANSMITTER
OUTPUT
VOLTAGE
(V)
VOUT-
VOUT+
FOR DATA RATES UP TO 250kbps
1 TRANSMITTER 250kbps
4 TRANSMITTERS 15.6kbps
ALL TRANSMITTERS LOADED
WITH 3k
+ CL
0
4
2
8
6
10
12
0
1000
1500
500
2000
2500
3000
SLEW RATE vs. LOAD CAPACITANCE
MAX3238E
toc02
LOAD CAPACITANCE (pF)
SLEW
RATE
(V/
s)
SR+
SR-
1 TRANSMITTER 250kbps
4 TRANSMITTERS 15.6kbps
ALL TRANSMITTERS LOADED
WITH 3k
+ CL
50
20
10
0
1000
500
2000
3000
SUPPLY CURRENT vs. LOAD CAPACITANCE
WHEN TRANSMITTING DATA
30
MAX3238
TOC-03
SUPPLY
CURRENT
(mA)
LOAD CAPACITANCE (pF)
1500
2500
40
250kbps
20kbps
120kbps
1 TRANSMITTER 20kbps, 120 kbps, 250kbps
4 TRANSMITTERS 15.6kbps
ALL TRANSMITTERS LOADED
WITH 3k
+ CL
__________________________________________Typical Operating Characteristics
(VCC = +3.3V, 250kbps data rate, 0.1F capacitors, all transmitters loaded with 3k
, TA = +25°C, unless otherwise noted.)
MAX3238E/MAX3248E
+3.0V to +5.5V, 10nA, 250kbps RS-232 Transceivers
with ±15kV ESD-Protected I/O and Logic Pins
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +3.0V to +5.5V, C1–C4 = 0.1F (tested at 3.3V ±5%), C1–C4 = 0.22F (tested at 3.3V ±10%), C1 = 0.047F, and
C2–C4 = 0.33F (tested at 5.0V ±10%), TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
Note 2: The transmitter inputs have an active positive feedback resistor. The input current goes to zero when the inputs are at the
supply rails.
Note 3: During AutoShutdown only, a transmitter/receiver edge is defined as a transition through the transmitter/receiver input logic
wake-up thresholds.
CONDITIONS
UNITS
MIN
TYP
MAX
PARAMETER
| tPHL - tPLH |
430
tPHL
R_IN to R_OUT,
CL = 150pF
tPLH
CL = 150pF to 1000pF
RL = 3k
, CL = 1000pF, one transmitter switching
CL = 150pF to 2500pF
0.15
VCC = 3.3V,
TA = +25°C,
RL = 3k
to 7k,
measured from +3V to
-3V or -3V to +3V
Normal operation
| tPHL - tPLH |
s
0.15
Receiver Propagation Delay
kbps
250
Maximum Data Rate
V/s
630
Transition-Region Slew Rate
s
2.6
Receiver Output Enable Time
s
2.4
Receiver Output Disable Time
ns
50
ns
50
Receiver Skew
Transmitter Skew
TIMING CHARACTERISTICS
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX3238EEAI+ 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:
MAX3238EEAI+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:
MAX3238EEAI-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:
MAX3238EECAI 制造商:Exar Corporation 功能描述:Line Transceiver, 5-Driver, 3-Receiver, 28 Pin, Plastic, SSOP
MAX3238EEEAI 制造商:Exar Corporation 功能描述:Line Transceiver, 5-Driver, 3-Receiver, 28 Pin, Plastic, SSOP
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