参数资料
型号: LTC2803IDHC#TRPBF
厂商: Linear Technology
文件页数: 16/18页
文件大小: 0K
描述: IC TXRX RS232 DUAL 16-DFN
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: 1.8 V ~ 5.5 V
安装类型: 表面贴装
封装/外壳: 16-WFDFN 裸露焊盘
供应商设备封装: 16-DFN(5x3)
包装: 带卷 (TR)
2801234fe
LTC2801/LTC2802/
LTC2803/LTC2804
tyPical PerForMance characteriSticS
Receiver Input Threshold
vs Temperature
Receiver Output Voltage
vs Load Current
Receiver Output Duty Cycle
Driver Slew Rate
vs Load Capacitance
Driver Short-Circuit Current
vs Temperature
Shutdown or Drivers Disabled Mode
Driver Leakage vs Temperature
Logic Input Threshold
vs VL Supply Voltage
LTC2804 Driver Outputs Exiting
Shutdown
LTC2804 Driver Outputs
Enable/Disable
TA = 25°C, VCC = VL = 3.3V unless otherwise noted.
TEMPERATURE (°C)
–50
THRESHOLD
VOLTAGE
(V)
3.0
2.5
2.0
1.5
1.0
0.5
0
25
75
2801 GO7
–25
0
50
100
125
INPUT HIGH
INPUT LOW
VL = 5.5V
VL = 3.3V
VL = 1.8V
LOAD CURRENT (mA)
OUTPUT
VOLTAGE
(V)
2801 GO8
6
5
4
3
2
1
0
2
4
5
1
3
6
7
8
VL = 5.5V
VL = 3.3V
VL = 1.8V
VL = 5.5V
VL = 3.3V
VL = 1.8V
RECEIVERS
ALIVE MODE
NORMAL
MODE
RIN = ±3V
CL = 150pF
10
POSITIVE
DUTY
CYCLE
(%)
100
80
60
40
20
0
100
1000
10000
2801 GO9
DATA RATE (kbps)
LOAD CAPACITANCE (nF)
0
SLEW
RATE
(V/s)
3
5
2801 G10
1
2
4
80
70
60
50
40
30
20
10
0
FALLING (LTC2802/04)
RISING (LTC2802/04)
FALLING (LTC2801/03)
RISING (LTC2801/03)
TEMPERATURE (°C)
–50
SHORT-CIRCUIT
CURRENT
(mA)
60
50
40
30
20
10
0
25
75
2801 G11
–25
0
50
100
125
SINKING
SOURCING
REGULATOR CAN
LIMIT FURTHER
VL SUPPLY VOLTAGE (V)
1
THRESHOLD
VOLTAGE
(V)
3.0
2.5
2.0
1.5
1.0
0.5
0
2
3
4
5
2801 G13
6
INPUT HIGH
INPUT LOW
TA = 85°C
TA = 25°C
TA = –40°C
LEAKAGE
CURRENT
(A)
10–6
10–7
10–8
10–9
10–10
10–11
2801 G12
V(TOUT) = 15V OR
V(TOUT) = –15V
TEMPERATURE (°C)
–50
25
75
–25
0
50
100
125
2V/DIV
5V/DIV
T2OUT
T1OUT
MODE AND PS
VCC = 3.3V
VL = 1.8V
LOAD = 3k + 2.5nF
100s/DIV
2801 G14
2V/DIV
5V/DIV
T2OUT
T1OUT
MODE
VCC = 3.3V
VL = 1.8V
LOAD = 3k + 250pF
2s/DIV
2801 G15
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