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参数资料
| 型号： | MAX3250EAI+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/10页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS-232 250KBPS 28-SSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,000 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 2/2 |
| 规程： | RS232 |
| 电源电压： | 3 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 28-SSOP |
| 包装： | 带卷 (TR) |
MAX3250
±50V Isolated, 3.0V to 5.5V,
250kbps, 2 TX/2 RX, RS-232 Transceiver
4
_______________________________________________________________________________________
Typical Operating Characteristics
(VCC = 3.3V, 250kbps data rate, see Typical Operating Circuit and Table 1 for capacitor values, all transmitters loaded with 3k and
CL to ISOCOM, TA = +25°C, unless otherwise noted.)
MAX3250
toc05
TEMPERATURE (
°C)
SUPPLY
CURRENT
(
A)
60
35
10
-15
-200
-100
0
100
200
300
400
-300
-40
85
SHUTDOWN CURRENT
vs. TEMPERATURE
ISOCOM = -50V
ISOCOM = 0V
ISOCOM = +50V
TIME TO EXIT SHUTDOWN
VISOCOM = 0V
TOUT
5V/div
MAX3250 toc04
100
s/div
SHDN
5V/div
MAX3250
toc03
LOAD CAPACITANCE (pF)
SUPPLY
CURRENT
(mA)
4000
3000
2000
1000
10
20
30
40
50
60
70
80
90
0
5000
T1 TRANSMITTING AT 250kbps
T2 TRANSMITTING AT 20kbps
OPERATING SUPPLY CURRENT
vs. LOAD CAPACITANCE
250kbps
120kbps
20kbps
MAX3250
toc02
LOAD CAPACITANCE (pF)
SLEW
RATE
(V/
s)
4000
3000
2000
1000
5
10
15
20
25
30
0
5000
SLEW RATE
vs. LOAD CAPACITANCE
-SLEW
+SLEW
FOR DATA RATES UP TO 250kbps
MAX3250
toc01
LOAD CAPACITANCE (pF)
TRANSMITTER
OUTPUT
VOLTAGE
(V)
4000
3000
2000
1000
-4
-2
0
2
4
6
8
-6
0
5000
TRANSMITTER OUTPUT VOLTAGE
vs. LOAD CAPACITANCE
VOUT+
VOUT-
T1 TRANSMITTING AT 250kbps
T2 TRANSMITTING AT 20kbps
COMMON-MODE FAULT RESPONSE
ISOCOM
50V/div
MAX3250 toc07
FAULT
5V/div
4ms/div
PEAK GROUND OFFSET VOLTAGE
vs. FREQUENCY
MAX3250
toc06
FREQUENCY (Hz)
PEAK
GROUND
OFFSET
(±
V)
300
100
200
400
500
10
20
30
40
50
60
0
0600
VCC = 3.3V
VCC = 5V
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