Datasheet

3
LTC1344A
TYPICAL PERFORMANCE CHARACTERISTICS
U
W
V.11 or V.35 Differential Mode
Impedance vs Common Mode
Voltage
TEMPERATURE (°C)
–40
DIFFERENTIAL MODE IMPEDANCE (Ω)
20
1344 G01
110
105
–20 0 40
100
120
115
60 80 100
V
CM
= –7V
V
CM
= –2V
V
CM
= 0V
V
CM
= 7V
V
CC
VOLTAGE (V)
103
DIFFERENTIAL MODE IMPEDANCE (Ω)
104
105
1344 G03
4.6 4.8 5.0 5.2 5.4
T
A
= 25°C
COMMON MODE VOLTAGE (V)
–8
DIFFERENTIAL MODE IMPEDANCE (Ω)
108
6
1344 G02
106
104
100
–6 –4 –2 0 2 4 8
102
T
A
= 25°C
V.11 or V.35 Differential Mode
Impedance vs Temperature
V.35 Common Mode Impedance
vs Supply Voltage (V
CC
)
V.35 Common Mode Inpedance
vs Negative Supply Voltage (V
EE
)
V
CC
VOLTAGE (V)
151
COMMON MODE IMPEDANCE (Ω)
152
153
1344 G07
4.6 4.8 5.0 5.2 5.4
T
A
= 25°C
V
EE
VOLTAGE (V)
–5.4
COMMON MODE IMPEDANCE (Ω)
153
154
–4.6
1344 G08
152
151
150
–5.2
–5.0
–4.8
T
A
= 25°C
Supply Current vs Temperature
TEMPERATURE (°C)
–40
SUPPLY CURRENT (µA)
500
420
340
260
180
20
1344 G09
–20 0 40 60 80 100
V.11 or V.35 Differential Mode
Impedance vs Negative Supply
Voltage (V
EE
)
TEMPERATURE (°C)
–40
COMMON MODE IMPEDANCE (Ω)
20
1344 G05
155
150
–20 0 40
145
165
160
60 80 100
V
CM
= –2V
V
CM
= 2V
V
CM
= 0V
COMMON MODE VOLTAGE (V)
–2
COMMON MODE IMPEDANCE (Ω)
154
156
2
1344 G06
152
150
–1
0
1
158
T
A
= 25°C
V.35 Common Mode Impedance
vs Temperature
V.35 Common Mode Impedance
vs Common Mode Voltage
V
EE
VOLTAGE (V)
103
DIFFERENTIAL MODE IMPEDANCE (Ω)
104
105
1344 G04
–5.4 –5.2 –5.0 –4.8 –4.6
T
A
= 25°C
V.11 or V.35 Differential Mode
Impedance vs Supply Voltage
(V
CC
)