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参数资料
| 型号： | LTC1346ACSW#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 6/12页 |
| 文件大小： | 0K |
| 描述： | IC TXRX V.35 DCE/DTE 24-SOIC |
| 标准包装： | 1,000 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 3/3 |
| 电源电压： | 4.75 ~ 5.25V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 24-SOIC |
| 包装： | 带卷 (TR) |
3
LTC1346A
1346afa
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ICC
VCC Supply Current
VOS = 0V, S0 = Low, S1 = S2 = High (Figure 1)
●
40
50
mA
No Load, S0 = Low, S1 = S2 = High
●
6
9
mA
Shutdown, S0 = VCC, S1 = S2 = 0V
●
0.1
100
A
IEE
VEE Supply Current
VOS = 0V, S0 = Low, S1 = S2 = High (Figure 1)
●
–40
– 50
mA
No Load, S0 = Low, S1 = S2 = High
●
–6
–9
mA
Shutdown, S0 = VCC, S1 = S2 = 0V
●
– 0.1
– 100
A
tr, tf
Transmitter Rise or Fall Time
VOS = 0V (Figures 1, 3)
●
740
ns
tPLH
Transmitter Input to Output
VOS = 0V (Figures 1, 3)
●
25
70
ns
tPHL
Transmitter Input to Output
VOS = 0V (Figures 1, 3)
●
30
70
ns
tSKEW
Transmitter Output to Output
VOS = 0V (Figures 1, 3)
5
ns
tPLH
Receiver Input to Output
VOS = 0V (Figures 1, 4)
●
50
100
ns
tPHL
Receiver Input to Output
VOS = 0V (Figures 1, 4)
●
55
100
ns
tSKEW
Differential Receiver Skew, tPLH – tPHL
VOS = 0V (Figures 1, 4)
5
ns
tZL
Receiver Enable to Output Low (Active Mode)
CL = 15pF, SW1 Closed (Figures 2, 5)
●
40
70
ns
Receiver Enable to Output Low
CL = 15pF, SW1 Closed (Figures 2, 5)
2
s
(from Shutdown, Note 3)
tZH
Receiver Enable to Output High (Active Mode)
CL = 15pF, SW2 Closed (Figures 2, 5)
●
35
70
ns
Receiver Enable to Output High
CL = 15pF, SW2 Closed (Figures 2, 5)
2
s
(from Shutdown, Note 3)
tLZ
Receiver Disable from Low
CL = 15pF, SW1 Closed (Figures 2, 5)
●
30
70
ns
tHZ
Receiver Disable from High
CL = 15pF, SW2 Closed (Figures 2, 5)
●
35
70
ns
AC ELECTRICAL CHARACTERISTICS
Note 1: The Absolute Maximum Ratings are those values beyond which
the life of a device may be impaired.
Note 2: All currents into device pins are positive; all currents out of device
pins are termed negative. All voltages are referenced to device ground
unless otherwise specified.
Note 3: Receiver enable to output valid high or low from Shutdown is
typically 2s.
TYPICAL PERFOR A CE CHARACTERISTICS
UW
TEMPERATURE (C)
–50
OUTPUT
CURRENT
(mA)
25
1346A G01
11
10
–25
0
50
9
13
12
75
100
125
VCC = 5V
VEE = –5V
Transmitter Output Current
vs Temperature
OUTPUT VOLTAGE (V)
–2.0
OUTPUT
CURRENT
(mA)
11
12
2.0
1346A G02
10
9
–1.0
0
1.0
13
–1.5
–0.5
0.5
1.5
TA = 25°C
VCC = 5V
VEE = –5V
Transmitter Output Current
vs Output Voltage
Transmitter Output Skew
vs Temperature
TEMPERATURE (C)
–50
TIME
(ns)
25
1346A G03
10
5
–25
0
50
0
20
15
75
100
125
VCC = 5V
VEE = –5V
The ● denotes specifications which apply over the full operating
temperature range. VCC = 5V ±5%, VEE = – 5V ±5% (Note 2)
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