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參數(shù)資料
| 型號： | LTC1349ISW |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX 5V RS232 LOW PWR 28-SOIC |
| 標(biāo)準(zhǔn)包裝： | 27 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/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： | 管件 |
3
LTC1349
1349fa
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.
The ● denotes specifications which apply over the full operating
temperature range. VCC = 5V, C1 = C2 = C3 = C4 = 0.1F, unless noted.
The ● denotes specifications which apply over the full operating temperature range.
VCC = 5V, C1 = C2 = C3 = C4 = 0.1F, unless noted.
TYPICAL PERFOR A CE CHARACTERISTICS
UW
AC CHARACTERISTICS
DC ELECTRICAL CHARACTERISTICS
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Power Supply
VCC Supply Current
No Load (All Drivers VIN = VCC)(Note 2), 0°C ≤ TA ≤ 70°C
●
0.3
0.8
mA
No Load (All Drivers VIN = 0V)(Note 2), 0°C ≤ TA ≤ 70°C
●
0.5
1.0
mA
No Load (All Drivers VIN = VCC)(Note 2), 0°C ≤ TA ≤ 85°C
●
0.3
1.0
mA
No Load (All Drivers VIN = VCC)(Note 2), – 40°C ≤ TA ≤ 0°C
●
0.3
1.5
mA
No Load (All Drivers VIN = 0V)(Note 2), – 40°C ≤ TA ≤ 85°C
●
0.5
1.5
mA
Supply Leakage Current (VCC)Shutdown (Note 3)
●
35
50
A
On/Off Threshold Low
●
1.4
0.8
V
On/Off Threshold High
●
2.0
1.4
V
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Slew Rate
RL = 3k, CL = 51pF
8
30
V/s
RL = 3k, CL = 2500pF
3
5
V/s
Driver Propagation Delay
tHLD (Figure 1)
●
2
3.5
s
(TTL to RS232)
tLHD (Figure 1)
●
2
3.5
s
Receiver Propagation Delay
tHLR (Figure 2)
●
0.3
0.8
s
(RS232 to TTL)
tLHR (Figure 2)
●
0.2
0.8
s
Note 3: Supply current and leakage current measurements in Shutdown
are performed with VON/OFF = 0V.
Driver Output Voltage
Supply Current vs Data Rate
Receiver Input Thresholds
TEMPERATURE (°C)
–40
–8
DRIVER
OUTPUT
VOLTAGE
(V)
–6
–2
0
2
40
10
LTC1349 TPC01
–4
0
100
4
6
8
–20
20
60
80
RL = 3k
OUTPUT HIGH
VCC = 5V
VCC = 4.5V
OUTPUT LOW
VCC = 4.5V
VCC = 5V
DATA RATE (k BAUD)
0
SUPPLY
CURRENT
(mA)
150
45
40
35
30
25
20
15
10
5
0
LTC1349 TPC03
50
175
25
75
100
125
VCC = 5V
RL = 3k
CL = 2500pF
3 DRIVERS ACTIVE
TEMPERATURE (C)
–40
THRESHOLD
VOLTAGE
(V)
1.8
2.0
2.2
20
60
LTC1349 TPC02
1.6
1.4
–20
0
40
80
100
1.2
1.0
VTH
VTL
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| LTC1349ISW#PBF | 功能描述:IC TXRX 5V RS232 LOW PWR 28-SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:27 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):3/3 規(guī)程:RS232，RS485 電源電壓:4.75 V ~ 5.25 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:管件 |
| LTC1349ISW#TR | 功能描述:IC TXRX RS232 5V SHTDN LP 28SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:27 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):3/3 規(guī)程:RS232，RS485 電源電壓:4.75 V ~ 5.25 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:管件 |
| LTC1349ISW#TRPBF | 功能描述:IC TXRX 5V RS232 LOW PWR 28-SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:27 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):3/3 規(guī)程:RS232，RS485 電源電壓:4.75 V ~ 5.25 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:管件 |
| LTC1350CG | 功能描述:IC TXRX 3.3V EIA/TIA-562 28-SSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:250 系列:- 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:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR) |
| LTC1350CG#PBF | 功能描述:IC TXRX 3.3V EIA/TIA-562 28-SSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:27 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):3/3 規(guī)程:RS232，RS485 電源電壓:4.75 V ~ 5.25 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:管件 |
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