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參數(shù)資料
| 型號： | LTC1337CSW#TRPBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 3/8頁 |
| 文件大小： | 0K |
| 描述： | IC 3DVR/5RCVR 5V RS232 28-SOIC |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 類型： | 收發(fā)器 |
| 驅(qū)動(dòng)器/接收器數(shù)： | 3/5 |
| 規(guī)程： | RS232 |
| 電源電壓： | 4.5 V ~ 5 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 28-SOIC |
| 包裝： | 帶卷 (TR) |
3
LTC1337
1337fa
DC ELECTRICAL CHARACTERISTICS
AC CHARACTERISTICS
The ● denotes specifications which apply over the full operating
temperature range. VCC = 5V, C1 = C2 = C3 = C4 = 0.1F, unless otherwise noted.
The ● denotes specifications which apply over the full operating temperature range.
VCC = 5V, C1 = C2 = C3 = C4 = 0.1F, unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Power Supply Generator
V+ Output Voltage
IOUT = 0mA
8.0
V
IOUT = 12mA
7.5
V
V– Output Voltage
IOUT = 0mA
– 8.0
V
IOUT = 12mA
– 6.5
V
Supply Rise Time
Shutdown to Turn-On
0.2
ms
Power Supply
VCC Supply Current
No Load (Note 2)
●
0.3
0.5
mA
Supply Leakage Current (VCC)Shutdown (Note 3)
●
110
A
On/Off Threshold Low
●
1.4
0.8
V
On/Off Threshold High
●
2.0
1.4
V
TYPICAL PERFOR A CE CHARACTERISTICS
UW
TEMPERATURE (°C)
0
THRESHOLD
VOLTAGE
(V)
60
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1337 G02
20
70
10
30
40
50
INPUT HIGH
INPUT LOW
Driver Output Voltage
Receiver Input Thresholds
Supply Current vs Data Rate
DATA RATE (k BAUD)
0
SUPPLY
CURRENT
(mA)
150
45
40
35
30
25
20
15
10
5
0
1337 G03
50
175
25
75
100
125
VCC = 5V
RL = 3k
CL = 2500pF
3 DRIVERS ACTIVE
TEMPERATURE (°C)
0
DRIVER
OUTPUT
VOLTAGE
(V)
60
10
8
6
4
2
0
–2
–4
–6
–8
1337 G01
20
70
10
30
40
50
VCC = 5V
OUTPUT HIGH
VCC = 4.5V
RL = 3k
VCC = 5V
VCC = 4.5V
OUTPUT LOW
Note 1: Absolute Maximum Ratings are those values beyond which the life
of the device may be impaired.
Note 2: Supply current is measured with driver and receiver outputs
unloaded and driver inputs tied high.
Note 3: Supply current and leakage measurements in Shutdown are
performed with VON = 0V.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Slew Rate
RL = 3k, CL = 51pF
8
30
V/s
RL = 3k, CL = 2500pF
2
4
V/s
Driver Propagation Delay
tHLD (Figure 1)
●
23
s
(TTL to RS232)
tLHD (Figure 1)
●
23
s
Receiver Propagation Delay
tHLR (Figure 2)
●
0.3
0.6
s
(RS232 to TTL)
tLHR (Figure 2)
●
0.2
0.6
s
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