参数资料
| 型号： | SP385EET-L |
| 厂商： | Exar Corporation |
| 文件页数： | 9/15页 |
| 文件大小： | 0K |
| 描述： | IC DVR/RCVR RS232 18WSOIC |
| 标准包装： | 47 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 2/2 |
| 规程： | RS232 |
| 电源电压： | 3 V ~ 5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 18-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 18-SOIC |
| 包装： | 管件 |
Exar Corporation 48720 Kato Road, Fremont CA, 94538 510-668-7017 www.exar.com
SP385E_100_030811
3
ELECTRICAL CHARACTERISTICS
PARAMETER
MIN.
TyP. MAX. UNITS CONDITIONS
EIA-562 OUTPUT (continued)
Power-Off Output Resistance
300
V
CC = 0V, VOUT=+2V
Output Short-Circuit Current
+10
mA
Infinite Duration
EIA-562 INPUT
Input Voltage Range
-15
15
V
Input Threshold LOW
0.8
1.2
V
CC = 3.3V, TA = +25°C
Input Threshold HIGH
1.7
2.4
V
CC = 3.3V, TA = +25°C
Input Hysteresis
0.2
0.5
1.0
V
CC = 3.3V, TA = +25°C
Input Resistance
3
5
7
k
V
IN = 15V to -15V
DyNAMIC CHARACTERISTICS
Driver Propagation Delay
4.0
s
TTL to RS-562
Receiver Propagation Delay
1.5
s
RS-562 to TTL
Instantaneous Slew Rate
30
V/s
C
L = 10pF, RL = 3k - 7k:
T
A = +25°C
Transition-Region Slew Rate
10
V/s
C
L = 2500pF, RL = 3k;
Measured from +2V to -2V or -2V
to +2V
Output Enable Time
300
ns
Output Disable Time
1000
ns
POWER REQUIREMENTS
Vcc Power Supply Current
3
6
mA
No load, T
A = +25°C; Vcc = 3.3V
Vcc Power Supply Current
8
mA
All transmitters R
L = 3k,
T
A = +25°C
Shutdown Supply Current
0.01
5
A
Vcc = 3.3V, T
A = +25°C
V
CC = +3.3V +10%; cap on (V+) and (V-) = 1.0F, C1 = C2 = 0.1F; TMIN to TMAX unless otherwise noted.
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