參數(shù)資料
型號: LTC1543IG
廠商: Linear Technology
文件頁數(shù): 15/20頁
文件大?。?/td> 0K
描述: IC TXRX SOFTWARE SELECTBL 28SSOP
標(biāo)準(zhǔn)包裝: 47
類型: 收發(fā)器
驅(qū)動器/接收器數(shù): 3/3
電源電壓: 4.75 V ~ 5.25 V
安裝類型: 表面貼裝
封裝/外殼: 28-SSOP(0.209",5.30mm 寬)
供應(yīng)商設(shè)備封裝: 28-SSOP
包裝: 管件
4
LTC1543
sn1534 1543fas
Note 1: Absolute Maximum Ratings are those beyond which the safety of a
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 = 1F,
CVDD = CVEE = 3.3F tantalum capacitors and TA = 25°C.
The q denotes specifications which apply over the full operating tempera-
ture range. VCC = 5V (Notes 2, 3)
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
IOZ
Transmitter Output Leakage Current
– 0.25V
≤ VA, B ≤ 0.25V
q
±1
±100
A
tr, tf
Rise or Fall Time
(Figures 3, 6)
5
ns
tPLH
Input to Output
(Figures 3, 6) (LTC1543C)
q
20
35
65
ns
(Figures 3, 6) (LTC1543I)
q
20
35
75
ns
tPHL
Input to Output
(Figures 3, 6) (LTC1543C)
q
20
35
65
ns
(Figures 3, 6) (LTC1543I)
q
20
35
75
ns
t
Input to Output Difference,
tPLH – tPHL
(Figures 3, 6) (LTC1543C)
q
04
16
ns
(Figures 3, 6) (LTC1543I)
q
04
21
ns
tSKEW
Output to Output Skew
(Figures 3, 6)
4
ns
V.35 Receiver
VTH
Differential Receiver Input Threshold Voltage
– 2V
≤ (VA + VB)/2 ≤ 2V (Figure 3)
q
– 0.2
0.2
V
VTH
Receiver Input Hysteresis
– 2V
≤ (VA + VB)/2 ≤ 2V (Figure 3)
q
15
40
mV
IIN
Receiver Input Current (A, B)
– 10V
≤ VA,B ≤ 10V
q
±0.66
mA
RIN
Receiver Input Impedance
– 10V
≤ VA,B ≤ 10V
q
15
30
k
tr, tf
Rise or Fall Time
(Figures 3, 7)
15
ns
tPLH
Input to Output
(Figures 3, 7) (LTC1543C)
q
50
80
ns
(Figures 3, 7) (LTC1543I)
q
50
90
ns
tPHL
Input to Output
(Figures 3, 7) (LTC1543C)
q
50
80
ns
(Figures 3, 7) (LTC1543I)
q
50
90
ns
t
Input to Output Difference,
tPLH – tPHL
(Figures 3, 7) (LTC1543C)
q
04
16
ns
(Figures 3, 7) (LTC1543I)
q
04
21
ns
V.28 Driver
VO
Output Voltage
Open Circuit
q
±10
V
RL = 3k (Figure 4)
q
±5
±8.5
V
ISS
Short-Circuit Current
VOUT = GND
q
±150
mA
IOZ
Output Leakage Current
– 0.25V
≤ VO ≤ 0.25V, Power Off or
q
±1
±100
A
No-Cable Mode or Driver Disabled
SR
Slew Rate
RL = 3k, CL = 2500pF (Figures 4, 8)
q
430
V/
s
tPLH
Input to Output
RL = 3k, CL = 2500pF (Figures 4, 8)
q
1.5
2.5
s
tPHL
Input to Output
RL = 3k, CL = 2500pF (Figures 4, 8)
q
1.5
3
s
V.28 Receiver
VTHL
Input Low Threshold Voltage
q
1.2
0.8
V
VTLH
Input High Threshold Voltage
q
2
1.2
V
VTH
Receiver Input Hysteresis
q
0
0.05
0.3
V
RIN
Receiver Input Impedance
– 15V
≤ VA ≤ 15V
q
357
k
tr, tf
Rise or Fall Time
(Figures 5, 9)
15
ns
tPLH
Input to Output
(Figures 5, 9)
q
60
100
ns
tPHL
Input to Output
(Figures 5, 9)
q
160
250
ns
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