IMP2 1 1 9
Recommended Operating Conditions
2
Parameter
TermPwr Voltage
LVD
SE
Signal Line Voltage
Disconnect Input Voltage
Operating Virtual Junction Temperature Range
Symbol
V
TERM
Min
3.0
3.5
0
0
0
Typ
Max
5.25
5.25
5.0
V
TERM
70
Units
V
V
V
°C
5241/42_t03.eps
Note:
2. Range over which the device is functional.
Electrical Characteristics
Unless otherwise specified, these specifications apply over the operating ambient temperature range of 0°C
≤
T
A
≤
70°C. TermPwr = 4.75V.
ISO
:
IMP2119
=
LOW.
Low
duty
cycle
pulse
testing
techniques
are
used
which
maintain
junction and case temperatures equal to the ambient temperature.
Parameter
LVD Terminator Section
TermPwr Supply Current
Common Mode Voltage
Offset Voltage
Differential Terminator Impedance
Common Mode Impedance
Output Capacitance
Output Leakage
Symbol Condition
LVD
ICC
V
CM
V
FSB
Z
D
Z
CM
C
O
I
LEAK
All terminator lines = Open
ISO> 2.0 V
Open circuit between – and + (see Note 3)
V
OUT
differential = –1V to 1V
0V to 2.5V
ISO > 2.0 V
.0
ISO > 2.0V
V
LINE
= 0V to 4V, T
A
= 25°C
ISO > 2.0 V
TPWR = 0V, V
LINE
= 2.7V
DIFFSENSE = 1.4V to 0V
Min Typ Max Units
25
1
1.25
112
105
200
2.5
30
35
1.375
12 5
110
300
2
1
115
1.2
5.0
1.3
1.4
15.0
200
10
ms
V
mA
µA
µA
mA
µA
V
mV
Ω
Ω
pF
µA
1.125
100
100
100
Mode Change Delay
DIFFSENSE Section
DIFFSENSE Output Voltage
DIFFSENSE Output Source Current
DIFFSENSE Sink Current
DIFFSENSE Output Leakage
Single-Ended Terminator Section
TermPwr Supply Current
t
DF
V
DIFF
I
DIFF
I
SINK (DIFF)
I
LEAK (DIFF)
V
DIFF
= 0V
V
DIFF
= 2.75V
ISO > 2.0V
T
A
= 25°C
All terminator lines = Open, MASTER/SLAVE = 0V
All terminator lines = 0.2V, MASTER/SLAVE = 0V
DISCONNECT > 2.0V
V
OUT
= 0.2V
V
OUT
= 4V, all lines
ISO > 2.0V
ISO > 2.0V
V
OUT
= 0V to 4V, T
A
= 25°C
ISO > 2.0 V
TPWR = 0V,
LINE
= 2.7V, T
A
= 25°C
I = 1mA
SE I
CC
Terminator Output High Voltage
Output Current
Sink Current
Output Capacitance
Leakage Current
V
O
I
O
I
SINK
C
O
I
LEAK
2.6
21
45
7
214
15
2.85
23
65
2. 5
10
226
35
24
mA
µA
V
mA
mA
pF
µA
2
I
100
150
Ground Driver Impedance
Thermal Shutdown
Note: 3. Open circuit fallsafe voltage.
Z
G
Ω
°C
4
408-432-9100/www.impweb.com
© 2002 IMP, Inc.
IMP [ IMP, INC ]
