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参数资料
| 型号： | LTC2803IDHC#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 12/18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
electrical characteriSticS The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C, VCC = 1.8V to 5.5V, VL = 1.8V to 5.5V, Normal Mode. Typical values are
given for VCC = VL = 3.3V and TA = 25°C, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Power Supplies
ICC
VCC Supply Current
Outputs Unloaded
Normal Mode (Note 3)
Receivers Active Mode
Shutdown Mode
l
2.3
1
10
mA
A
IL
VL Supply Current
Outputs Unloaded
Normal Mode (LTC2801, LTC2802)
Normal Mode (LTC2803, LTC2804)
Receivers Active Mode
Shutdown Mode
l
0.08
0.15
15
1
0.15
0.30
30
10
mA
A
Driver
VOLD
Output Voltage
RL = 3kΩ
Low
l
–5
–5.7
V
VOHD
Output Voltage
RL = 3kΩ
High
l
5
6.2
V
VHYSD
Logic Input Hysteresis
0.6
V
IOSD
Output Short Circuit Current
VL = VCC = 5.5V; VTOUT = 0V
l
±35
±70
mA
IPOLD
Power-Off Output Leakage Current
VL = VCC = VDD = VEE = 0V; VTOUT = ±2V
l
±0.1
±10
A
IOLD
Output Leakage Current
Shutdown or Receivers Active or
Drivers Disabled Modes, –15V
≤ VTOUT ≤ 15V
l
±0.1
±10
A
Receiver
VIR
Input Thresholds
Receivers Active Mode
l
0.8
1.5
2.4
V
VILR
Input Thresholds
Normal Mode, Input Low
l
0.8
1.3
V
VIHR
Input Thresholds
Normal Mode, Input High
l
1.7
2.5
V
VHYSR
Input Hysteresis
Normal Mode
l
0.1
0.4
1.0
V
VOLR
Output Voltage
Output Low, IROUT = 1mA (Sinking)
l
0.2
0.4
V
VOHR
Output Voltage
Output High, IROUT = –1mA (Sourcing)
l
VL –0.4 VL –0.2
V
RIN
Input Resistance
–15V
≤ VRIN ≤ 15V
l
3
5
7
k
W
IOSR
Output Short Circuit Current
VL = 5.5V; 0V ≤ VROUT ≤ VL
l
±25
±50
mA
Logic
Logic Input Voltage Threshold
l
0.4
0.67 VL
V
IIN
Logic Input Current
l
±1
A
Power Supply Generator
VDD
Regulated VDD Output Voltage
Driver RL = 3kW (Note 3)
LTC2801, LTC2802: VTIN = VL
LTC2803, LTC2804: VT1IN = VL, VT2IN = 0V
7
V
VEE
Regulated VEE Output Voltage
Driver RL = 3kW (Note 3)
LTC2801, LTC2802: VTIN = VL
LTC2803, LTC2804: VT1IN = VL, VT2IN = 0V
–6.3
V
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