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參數(shù)資料
| 型號(hào)： | 2847 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Software-Selectable Multiprotocol Transceiver with Termination and 3.3V Digital Interface |
| 中文描述： | 軟件選擇多協(xié)議收發(fā)器終止和3.3V數(shù)字接口 |
| 文件頁數(shù)： | 3/20頁 |
| 文件大?。?/td> | 275K |
| 代理商： | 2847 |
3
LTC2847
sn2847 2847fs
The
G
denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25
°
C. V
CC
= 5V, V
IN
= 3.3V, unless otherwise noted (Notes 2, 3)
ELECTRICAL CHARACTERISTICS
SYMBOL
V
–
PARAMETER
Negative Charge Pump Output Voltage
CONDITIONS
V.28 Mode, No Load
V.28 Mode, Full Load
V.35 Mode
RS530, RS530-A, X.21 Modes, Full Load
MIN
TYP
–9.6
–8.5
–6.5
–6.0
500
2
MAX
UNITS
V
V
V
V
G
G
G
–7.5
–5.5
–4.5
f
OSC
t
r
Logic Inputs and Outputs
V
IH
V
IL
I
IN
Charge Pump Oscillator Frequency
Charge Pump Rise Time
kHz
ms
No-Cable Mode/Power-Off to Normal Operation
Logic Input High Voltage
Logic Input Low Voltage
Logic Input Current
D1, D2, D3, M0, M1, M2, DCE/DTE
D1, D2, D3, M0, M1, M2, DCE/DTE
D1, D2, D3
M0, M1, M2, DCE/DTE = GND
M0, M1, M2, DCE/DTE = V
IN
I
O
= –3mA
I
O
= 1.6mA
0V
≤
V
O
≤
V
IN
M0 = M1 = M2 = V
IN
, V
O
= GND
M0 = M1 = M2 = V
IN
, V
O
= V
IN
G
2.0
V
V
G
0.8
±
10
–120
±
10
G
G
G
μ
A
μ
A
μ
A
V
V
mA
μ
A
μ
A
–30
–75
V
OH
V
OL
I
OSR
I
OZR
Output High Voltage
Output Low Voltage
Output Short-Circuit Current
Three-State Output Current
G
2.7
3
G
0.2
0.4
±
50
–160
±
10
G
G
G
–30
–85
V.11 Driver
V
ODO
V
ODL
Open Circuit Differential Output Voltage
Loaded Differential Output Voltage
R
L
= 1.95k (Figure 1)
R
L
= 50
(Figure 1)
R
L
= 50
(Figure 1)
R
L
= 50
(Figure 1)
G
±
5
V
V
V
V
0.5V
ODO
±
2
0.67V
ODO
G
V
OD
Change in Magnitude of Differential
Output Voltage
Common Mode Output Voltage
Change in Magnitude of Common Mode
Output Voltage
Short-Circuit Current
Output Leakage Current
G
0.2
V
OC
V
OC
R
L
= 50
(Figure 1)
R
L
= 50
(Figure 1)
G
3
V
V
G
0.2
I
SS
I
OZ
V
OUT
= GND
V
A
and
V
B
≤
0.25V, Power Off or
No-Cable Mode or Driver Disabled
(Figures 2, 13)
(Figures 2, 13)
(Figures 2, 13)
(Figures 2, 13)
(Figures 2, 13)
±
150
±
100
mA
μ
A
G
±
1
t
r
, t
f
t
PLH
t
PHL
t
t
SKEW
Rise or Fall Time
Input to Output Rising
Input to Output Falling
Input to Output Difference,
t
PLH
– t
PHL
Output to Output Skew
G
2
15
40
40
3
3
25
65
65
12
ns
ns
ns
ns
ns
G
15
15
0
G
G
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