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参数资料
| 型号： | LTC1546IG#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 15/20页 |
| 文件大小： | 0K |
| 描述： | IC SW TRANSCEIVER W/TERM 28-SSOP |
| 标准包装： | 2,000 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 3/3 |
| 电源电压： | 4.75 V ~ 5.25 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 28-SSOP |
| 包装： | 带卷 (TR) |
4
LTC1546
The q denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 5V (Notes 2, 3)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
IOH
Transmitter Output High Current
VA, VB = 0V
q
– 13
– 11
– 9.0
mA
IOL
Transmitter Output Low Current
VA, VB = 0V
q
9.0
11
13
mA
IOZ
Transmitter Output Leakage Current
VA and VB ≤ 0.25V
q
±1
±100
A
ROD
Transmitter Differential Mode Impedance
q
50
100
150
ROC
Transmitter Common Mode Impedance
– 2V
≤ VCM ≤ 2V (Figure 7)
135
150
165
tr, tf
Rise or Fall Time
(Figures 8, 13)
5
ns
tPLH
Input to Output
(Figures 8, 13)
q
15
35
65
ns
tPHL
Input to Output
(Figures 8, 13)
q
15
35
65
ns
t
Input to Output Difference,
tPLH – tPHL
(Figures 8, 13)
q
016
ns
tSKEW
Output to Output Skew
(Figures 8, 13)
4
ns
V.35 Receiver
VTH
Differential Receiver Input Threshold Voltage
– 2V
≤ VCM ≤ 2V (Figure 9)
q
– 0.2
0.2
V
VTH
Receiver Input Hysteresis
– 2V
≤ VCM ≤ 2V (Figure 9)
q
15
40
mV
RID
Receiver Differential Mode Impedance
– 2V
≤ VCM ≤ 2V
q
90
103
110
RIC
Receiver Common Mode Impedance
– 2V
≤ VCM ≤ 2V (Figure 10)
135
150
165
tr, tf
Rise or Fall Time
CL = 50pF (Figures 4, 14)
15
ns
tPLH
Input to Output
CL = 50pF (Figures 4, 14)
q
50
90
ns
tPHL
Input to Output
CL = 50pF (Figures 4, 14)
q
50
90
ns
t
Input to Output Difference,
tPLH – tPHL
CL = 50pF (Figures 4, 14)
q
04
25
ns
V.28 Driver
VO
Output Voltage
Open Circuit
q
±10
V
RL = 3k (Figure 11)
q
±5
±8.5
V
ISS
Short-Circuit Current
VOUT = GND
q
±150
mA
ROZ
Power-Off Resistance
– 2V < VO < 2V, Power Off
q
300
or No-Cable Mode
SR
Slew Rate
RL = 7k, CL = 0 (Figures 11, 15)
q
430
V/
s
tPLH
Input to Output
RL = 3k, CL = 2500pF (Figures 11, 15)
q
1.5
2.5
s
tPHL
Input to Output
RL = 3k, CL = 2500pF (Figures 11, 15)
q
1.5
2.5
s
V.28 Receiver
VTHL
Input Low Threshold Voltage
(Figure 12)
q
1.2
0.8
V
VTLH
Input High Threshold Voltage
(Figure 12)
q
2
1.2
V
VTH
Receiver Input Hysteresis
(Figure 12)
q
0
0.05
0.3
V
RIN
Receiver Input Impedance
– 15V
≤ VA ≤ 15V
q
357
k
tr, tf
Rise or Fall Time
CL = 50pF (Figures 12, 16)
15
ns
tPLH
Input to Output
CL = 50pF (Figures 12, 16)
q
60
300
ns
tPHL
Input to Output
CL = 50pF (Figures 12, 16)
q
160
300
ns
Note 1: Absolute Maximum Ratings are those values beyond which the life
of the device may be impaired.
Note 2: All currents into device pins are positive; all currents out of device
are negative. All voltages are referenced to device ground unless otherwise
specified.
Note 3: All typicals are given for VCC = 5V, C1 = C2 = CVCC = CVDD = 1F,
CVEE = 3.3F and TA = 25°C.
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