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| 型号： | MAX3250CAI+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/10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
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VCC = 3.0V to 5.5V, see Typical Operating Circuit and Table 1 for capacitor values, ISOCOM = GND, TA = TMIN to TMAX, unless oth-
erwise noted. Typical values are at VCC = 3.3V and TA = +25°C.) (Note 2)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
RECEIVER INPUTS (relative to ISOCOM)
Input-Voltage Range
-25
+25
V
VCC = 3.3V
1.2
0.6
Input Threshold Low
TA = +25°C
VCC = 5.0V
1.3
0.8
V
VCC = 3.3V
2.4
1.6
Input Threshold High
TA = +25°C
VCC = 5.0V
2.4
1.7
V
Input Hysteresis
0.5
V
Input Resistance
TA = +25°C
3
5
7
k
TRANSMITTER OUTPUTS (relative to ISOCOM)
Output-Voltage Swing
All transmitter outputs loaded with 3k
to ISOCOM,
TA = +25°C
±5.0
±5.4
V
Output Resistance
ISOVCC = V+ = V- = 0V, VT_OUT =
±2V
300
10M
Output Short-Circuit Current
-60
+60
mA
Output Leakage Current
VCC = 0 or 3V to 5.5V, VT_OUT =
±12V, SHDN = GND
-25
+25
A
TIMING CHARACTERISTICS
(VCC = 3.0V to 5.5V, see Typical Operating Circuit and Table 1 for capacitor values, ISOCOM = GND, TA = TMIN to TMAX, unless oth-
erwise noted. Typical values are at VCC = 3.3V and TA = +25°C.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Maximum Data Rate
RL = 3k
, CL = 1000pF to ISOCOM, one transmitter,
TA = +25°C
250
kbps
Receiver Propagation Delay
R_IN to R_OUT, CL = 150pF to GND
0.4
s
Receiver Skew
|tPHL - tPLH|
100
ns
Transmitter Skew
|tPHL - tPLH| (Note 3)
120
ns
CL = 150pF to 1000pF
to ISOCOM
630
Transition-Region Slew Rate
VCC = 3.3V, TA = +25°C,
RL = 3k
to 7k to ISOCOM,
measured from +3V to -3V or
-3V to +3V
CL = 150pF to 2500pF
to ISOCOM
430
V/s
FAULT Propagation Delay
0.3
s
Time to Shutdown
0.5
s
VISOCOM = GND
300
Time to Exit Shutdown
VISOCOM =
±50V
350
s
Note 2: All currents into the device are positive; all currents out of the device are negative. All voltages are referenced to device
ground, unless otherwise noted.
Note 3: Transmitter skew is measured at the transmitter zero crosspoints.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX3250EAI | 功能描述:RS-232接口集成电路 RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
| MAX3250EAI+ | 功能描述:RS-232接口集成电路 3-5.5V 250kbps Transceiver RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
| MAX3250EAI+ | 制造商:Maxim Integrated Products 功能描述:IC RS232 TRANSCEIVER 250KBPS 5 |
| MAX3250EAI+T | 功能描述:RS-232接口集成电路 3-5.5V 250kbps Transceiver RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
| MAX3250EAI-T | 功能描述:RS-232接口集成电路 RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
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