Slope Control Input Voltage ................. – 0.3V to 44V
V
REF
Reference Output Pin.......................... –0.3V to 7V
Driver Input Voltage .................................. –0.3V to 44V
CANH, CANL Data Line Pins....................... –80V to 80V
Receiver Output Voltages ............................. –0.3V to 7V
Operating Temperature Range
LT1796C................................................... 0°C to 70°C
LT1796I ............................................... – 40°C to 85°C
Storage Temperature Range ..................– 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................... 300°C
N8 PACKAGE
S8 PACKAGE
8-LEAD PDIP 8-LEAD PLASTIC SO
T
JMAX
= 150°C,
θ
JA
= 130°C/W (N8)
T
JMAX
= 150°C,
θ
JA
= 150°C/W (S8)
orDer inForMaTion
LEAD FREE FINISH
LT1796CN8#PBF
LT1796CS8#PBF
LT1796IN8#PBF
LT1796IS8#PBF
TAPE AND REEL
LT1796CN8#TRPBF
LT1796CS8#TRPBF
LT1796IN8#TRPBF
LT1796IS8#TRPBF
PART MARKING*
LT1796 CN8
1796
LT1796I IN8
1796I
PACKAGE DESCRIPTION
8-Lead PDIP
8-Lead Plastic SO
8-Lead PDIP
8-Lead Plastic SO
TEMPERATURE RANGE
0°C to 70°C
0°C to 70°C
–40°C to 85°C
–40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on nonstandard lead based finish parts.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to:
http://www.linear.com/tapeandreel/
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
CC
= 4.75V to 5.25V, V
RS
= 0V unless otherwise noted.
SYMBOL PARAMETER
V
CANH
V
CANL
V
OD
CANH Output Voltage
CANL Output Voltage
Dominant State Differential Output Voltage
CONDITIONS
V
TXD
= 0V, No Load
V
TXD
= 0V, R
L
= 60Ω
V
TXD
= 0V, No Load
V
TXD
= 0V, R
L
= 60Ω
V
TXD
= 0V, No Load, V
CC
= 4.75V
V
TXD
= 0V, R
L
= 60Ω, V
CC
= 4.75V
V
TXD
= 0V, R
L
= 36Ω, V
CC
= 4.75V
V
TXD
= 5V, R
L
= 60Ω
V
TXD
= 5V, R
L
= 60Ω, V
CC
= 5V
●
●
●
●
●
●
●
●
●
elecTrical characTerisTics
MIN
3.8
2.8
0
0
3.0
1.5
1.2
– 10
2.7
TYP
4.4
3.5
0.5
1.3
3.6
2.0
1.7
0
3
MAX
5.0
4.6
0.9
1.6
5.0
4.2
4.2
10
3.5
UNITS
V
V
V
V
V
V
V
mV
V
V
REC
V
CMR
Recessive State Differential Output Voltage
Recessive State Common Mode Output Voltage
2
1796fa
For more information
www.linear.com/LT1796
LT1796
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
CC
= 4.75V to 5.25V, V
RS
= 0V unless otherwise noted.
SYMBOL PARAMETER
V
CMD
V
IH
V
IL
I
IN1
I
SCH
Dominant State Common Mode Output Voltage
TXD Input High Voltage
TXD Input Low Voltage
TXD Input Current
CANH Short-Circuit Current, Dominant Mode
0 < V
TXD
< V
CC
V
CANH
= 0V, V
CC
= 5.25V
V
CANH
= –36V, V
CC
= 5.25V
V
CANH
= – 60V, V
CC
= 5.25V
V
CANH
= 60V, V
CC
= 5.25V
V
CANL
= 5V, V
TXD
= 0V, V
CC
= 5.25V
V
CANL
= 36V, V
TXD
= 0V, V
CC
= 5.25V
V
CANL
= 60V, V
TXD
= 0V, V
CC
= 5.25V
V
CANL
= – 60V, V
TXD
= 0V, V
CC
= 5.25V
V
TXD
= 5V, – 7V < V
CANH
, V
CANL
< 12V
V
TXD
= 5V, –7V < V
CANH
, V
CANL
< 12V
V
RS
= 5V, –60V < V
CANH
, V
CANL
< 60V
V
TXD
= 5V, –60V < V
CANH
, V
CANL
< 60V
V
CC
= 0V, –60V < V
CANH
, V
CANL
< 60V
CONDITIONS
R
L
= 60Ω, V
CC
= 5V
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
elecTrical characTerisTics
MIN
2
2.8
TYP
2.5
MAX
3
2
UNITS
V
V
V
µA
mA
mA
mA
mA
mA
mA
mA
mA
kΩ
kΩ
mA
mA
mA
–5
–250
–10
–10
0
60
0
0
– 10
140
70
–3
–3
–3
–1
–1
1
1
1
–1
240
120
5
–60
0
0
10
250
10
10
0
350
175
3
3
3
I
SCL
CANL Short-Circuit Current, Dominant Mode
R
IND
Differential Input Resistance
CANH, CANL Input Resistance
Input Fault Current (CANH, CANL)
Dc elecTrical characTerisTics
SYMBOL PARAMETER
V
TH
∆V
TH
V
OH
V
OL
I
SCR
V
REF
V
REFSC
V
RSSB
I
RS
I
CC
Differential Input Threshold Voltage
for Receiver
Receiver Input Hysteresis
Receiver Output High Voltage
Receiver Output Low Voltage
Receiver Short-Circuit Current
Reference Output Voltage
Reference Output Short-Circuit Current
R
S
Pin Standby Threshold
R
S
Input Current
Supply Current Dominant
Recessive
Standby
CONDITIONS
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
CC
= 4.75V to 5.25V, V
RS
= 0V unless otherwise noted.
MIN
l
l
TYP
MAX
0.9
0.9
UNITS
V
V
mV
V
V
RS
= 0V, – 7V < V
CM
< 12V
V
RS
= 5V, –7V < V
CM
< 12V
–7V < V
CM
< 12V
V
CC
= 4.75V, I
O
= –400µA, V
ID
= 500mV
V
CC
= 4.75V, I
O
= 1.6mA, V
ID
= 900mV
0V < V
O
< V
CC
, V
CC
= 5.25V
–100µA < I
REF
< 100µA
0 < V
REF
< V
CC
V
CC
= 5V
V
RS
= 5V, V
CC
= 5V
V
RS
= 0V, V
CC
= 5V
R
S
= 47k, V
CC
= 5V
No Load, V
RS
= 0V, V
TXD
= 0V, V
CC
= 5.25V
R
L
= 60Ω, V
RS
= 0V, V
TXD
= 5V, V
CC
= 5.25V
R
L
= 60Ω, V
RS
= 5V, V
CC
= 5.25V
0.5
0.5
70
3
7
2.25
–20
2.5
–270
–90
2.8
0.1
–200
–60
4.3
3.8
0.8
3.6
0.15
20
2.5
l
l
l
l
l
l
l
l
l
l
l
l
0.4
85
2.7
20
4
10
–140
–40
7
7
1.5
V
mA
V
mA
V
µA
µA
µA
mA
mA
mA
1796fa
For more information
www.linear.com/LT1796
3
LT1796
The
l
denotes the specifications which apply over the full operating
temperature range. V
RS
= 0V unless otherwise noted. (Note 2)
SYMBOL PARAMETER
t
BIT
F
MAX
t
TXDON
t
TXDOFF
t
LBON
t
LBOFF
t
RXDOFF
t
RXDON
Minimum Bit Time
Maximum Data Rate
Driver Input to Bus Active
Driver Input to Bus Inactive
Loopback Delay Active
Loopback Delay Inactive
Receiver Delay Off
Receiver Delay On
CONDITIONS
(Note 3)
(Note 3)
Figures 1, 2
Figures 1, 2
Figures 1, 3
Figures 1, 3
Figures 1, 4
Figures 1, 4
V
RS
= 4V, Figures 1, 4
V
RS
= 4V, Figures 1, 4
Figures 1, 5
R
S
= 0k
R
S
= 47k
R
S
= 0k
R
S
= 47k
R
S
= 0k
R
S
= 47k
R
S
= 0k
R
S
= 47k
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
swiTching characTerisTics
MIN
125
TYP
MAX
8
UNITS
µs
kbps
ns
ns
ns
ns
µs
µs
ns
ns
µs
µs
µs
V/µs
V/µs
V/µs
V/µs
300
350
500
600
0.6
1.5
400
300
1.5
1
1
5
2
5
2
12
7
36
5
500
1000
1200
1500
1.5
3
600
600
4
4
15
65
30
65
15
t
RXDOFFSB
Receiver Delay Off, Standby
t
RXDONSB
Receiver Delay On, Standby
t
WAKE
SR
+
SR
–
Wake-Up Delay from Standby
Positive Slew Rate
Negative Slew Rate
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2:
Unless otherwise specified, testing done at V
CC
= 5V, T
A
= 25°C.
Note 3:
Bit time and data rate specifications are guaranteed by driver and
用quartus 2编译一下程序：LIBRARY ieee;USE ieee.std_logic_1164.ALL;ENTITY seg7dec IS PORT(bcdin : IN std_logic_vector(3 DOWNTO 0); segout : OUT std_logic_vector(6 DOWNTO 0));END se ......
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