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参数资料
| 型号： | LT1381IS#TR |
| 厂商： | Linear Technology |
| 文件页数： | 3/8页 |
| 文件大小： | 0K |
| 描述： | IC TXRX 5V RS232 DUAL 16SOIC |
| 标准包装： | 2,500 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 2/2 |
| 规程： | RS232 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 带卷 (TR) |
3
LT1381
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Receiver
Input Voltage Thresholds
Input Low Threshold (VOUT = High)
0.8
1.3
V
Input High Threshold (VOUT = Low)
1.7
2.4
V
Hysteresis
q
0.1
0.4
1.0
V
Input Resistance
(Note 6)
3
5
7
k
Output Voltage
Output Low, IOUT = – 1.6mA
q
0.2
0.4
V
Output High, IOUT = 160A (VCC = 5V)
q
3.5
4.2
V
Output Short-Circuit Current
Sinking Current, VOUT = VCC
–10
mA
Sourcing Current, VOUT = 0V
10
20
mA
Propagation Delay
Output Transition tHL High-to-Low (Note 5)
250
600
ns
Output Transition tLH Low-to-High
350
600
ns
ELECTRICAL C
C
HARA TERISTICS (Note 2)
TYPICAL PERFOR A CE CHARACTERISTICS
WU
Driver Maximum Output Voltage
vs Load Capacitance
TEMPERATURE (°C)
–55
–10
DRIVER
OUTPUT
VOLTAGE
(V)
–8
–4
–2
0
10
4
0
50
75
LT1381 TPC03
–6
6
8
2
–25
25
100
125
RL = 3k
VCC = 5.5V
VCC = 5V
VCC = 4.5V
VCC = 5V
VCC = 5.5V
OUTPUT HIGH
OUTPUT LOW
Driver Minimum Output Voltage
vs Load Capacitance
Driver Output Voltage
Note 4: For driver delay measurements, RL = 3k and CL = 51pF. Trigger
points are set between the driver’s input logic threshold and the output
transition to the zero crossing (tHL = 1.4V to 0V and tLH = 1.4V to 0V).
Note 5: For receiver delay measurements, CL = 51pF. Trigger points are
set between the receiver’s input logic threshold and the output transition
to standard TTL/CMOS logic threshold (tHL = 1.3V to 2.4V and tLH = 1.7V
to 0.8V).
Note 6: Tested at VIN = ±10V.
The q denotes specifications which apply over the full operating
temperature range.
Note 1: Absolute Maximum Ratings are those values beyond which the life
of the device may be impaired.
Note 2: Testing done at VCC = 5V, unless otherwise specified.
Note 3: Supply current is measured as the average over several charge
pump cycles. C + = C – = C1 = C2 = 0.1
F. All outputs are open, with all
driver inputs tied high.
–20
LOAD CAPACITANCE (nF)
–7.0
PEAK
OUTPUT
VOLTAGE
(V)
–6.0
–5.0
–4.0
24
6
8
LT1381 TPC02
10
13
5
7
9
–5.5
–4.5
–6.5
0
2 DRIVERS LOADED
120k BAUD
60k BAUD
20k BAUD
LOAD CAPACITANCE (nF)
0
PEAK
OUTPUT
VOLTAGE
(V)
8.0
9.0
8
LT1381 TPC01
7.0
6.0
5.0
2
4
6
10
7.5
8.5
6.5
5.5
7
1
3
5
9
2 DRIVERS LOADED
20k BAUD
60k BAUD
120k BAUD
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| LT1389 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Nanopower Precision Shunt Voltage Reference |
| LT1389ACS8-1.25 | 功能描述:IC VREF SHUNT PREC 1.25V 8-SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 标准包装:2,000 系列:- 基准类型:旁路，可调节，精度 输出电压:1.24 V ~ 16 V 容差:±0.5% 温度系数:- 输入电压:1.24 V ~ 16 V 通道数:1 电流 - 阴极:100µA 电流 - 静态:- 电流 - 输出:20mA 工作温度:-40°C ~ 85°C 安装类型:通孔 封装/外壳:TO-226-3、TO-92-3（TO-226AA）成形引线 供应商设备封装:TO-92-3 包装:带卷 (TR) |
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