參數(shù)資料
型號： LTC2803CDHC#TRPBF
廠商： Linear Technology
文件頁數(shù)： 13/18頁
文件大?。?/td> 0K
描述： IC TXRX RS232 DUAL 16-DFN
標準包裝： 2,500
類型： 收發(fā)器
驅(qū)動器/接收器數(shù)： 2/2
規(guī)程： RS232
電源電壓： 1.8 V ~ 5.5 V
安裝類型： 表面貼裝
封裝/外殼： 16-WFDFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 16-DFN（5x3）
包裝： 帶卷 (TR)
LTC2801/LTC2802/
LTC2803/LTC2804
2801234fe
Note 2: All currents into pins are positive; all voltages are referenced to
GND unless otherwise specified.
Note 3: Guaranteed by other measured parameters and not tested directly.
Note 4: Time from PS
↑ or ON/OFF ↑ until VDD ≥ 5V and VEE ≤ –5V.
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.
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
SwitchinG characteriSticS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Maximum Data Rate
LTC2801, LTC2803 (Note 3)
RL = 3kW, CL = 2.5nF
RL = 3kW, CL = 1nF
l
100
250
kbps
LTC2802, LTC2804 (Note 3)
RL = 3kW, CL = 2.5nF
RL = 3kW, CL = 1nF
RL = 3kW, CL = 250pF
l
100
250
1000
kbps
Driver
SR(D)
Driver Slew Rate
LTC2801, LTC2803 (Figure 1)
VCC = VL = 1.8V, RL = 3kW, CL = 2.5nF
VCC = VL = 5.5V, RL = 3kW, CL = 50pF
l
4
30
V/s
LTC2802, LTC2804 (Figure 1)
VCC = VL = 1.8V, RL = 3kW, CL = 2.5nF
VCC = VL = 5.5V, RL = 3kW, CL = 50pF
l
4
150
V/s
tPHLD, tPLHD
Driver Propagation Delay
RL = 3kW, CL = 50pF (Figure 2)
LTC2801, LTC2803
LTC2802, LTC2804
l
1
0.2
2
0.5
s
tSKEWD
Driver Skew
RL = 3kW, CL = 50pF (Figure 2)
LTC2801, LTC2803
LTC2802, LTC2804
100
50
ns
tPZHD, tPZLD
Driver Output Enable Time
PS = VL, MODE = ↑, RL = 3kW, CL = 50pF
(Figure 4)
l
0.6
2
s
tPHZD, tPLZD
Driver Output Disable Time
PS = VL, MODE = ↓, RL = 3kW, CL = 50pF
(Figure 4)
l
0.3
2
s
Receiver
tPHLR, tPLHR
Receiver Propagation Delay
CL = 150pF (Figure 3)
l
0.2
0.4
s
tSKEWR
Receiver Skew
CL = 150pF (Figure 3)
50
ns
tRR, tFR
Receiver Rise or Fall Time
CL = 150pF (Figure 3)
l
60
200
ns
tPZHR, tPZLR
Shutdown to Receiver Output Enable
PS = MODE =
↑ or ON/OFF = ↑,
RL = 1kW, CL = 150pF (Figure 5)
l
5
15
s
tPHZR, tPLZR
Receiver Output Disable upon Shutdown
PS = MODE =
↓ or ON/OFF = ↓,
RL = 1kW, CL = 150pF (Figure 5)
l
0.15
0.3
s
Power Supply Generator
VDD/VEE Supply Rise Time
(Notes 3 and 4)
l
0.2
2
ms
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