Datasheet

LTC6401-26
3
640126f
DC ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Input/Output Characteristic (+IN, –IN, +OUT, –OUT, +OUTF, –OUTF)
G
DIFF
Gain V
IN
= ±50mV Differential
25 26 27 dB
TC
GAIN
Gain Temperature Drift V
IN
= ±50mV Differential
0.003 dB/°C
V
SWINGMIN
Output Swing Low Each Output, V
IN
= ±200mV Differential
0.09 0.15 V
V
SWINGMAX
Output Swing High Each Output, V
IN
= ±200mV Differential
2.3 2.43 V
V
OUTDIFFMAX
Maximum Differential Output Swing 1dB Compressed
4.3 4.7 V
P-P
I
OUT
Output Current Drive Each Output, V
IN
= ±200mV,
V
OUT
> 2V
P-P
10 mA
V
OS
Input Offset Voltage Differential
–2.5 2.5 mV
TCV
OS
Input Offset Voltage Drift Differential
1 μV/°C
I
VRMIN
Input Common Mode Voltage Range, MIN 1 V
I
VRMAX
Input Common Mode Voltage Range, MAX 1.6 V
R
INDIFF
Input Resistance (+IN, –IN) Differential
42.5 50 57.5
Ω
C
INDIFF
Input Capacitance (+IN, –IN) Differential, Includes Parasitic 1 pF
R
OUTDIFF
Output Resistance (+OUT, –OUT) Differential
18 25 32
Ω
R
OUTFDIFF
Filtered Output Resistance (+OUTF, –OUTF) Differential
85 100 115
Ω
C
OUTFDIFF
Filtered Output Capacitance (+OUTF, –OUTF) Differential, Includes Parasitic 2.7 pF
CMRR Common Mode Rejection Ratio Input Common Mode Voltage
1.1V to1.4V
50 75 dB
Output Common Mode Control
G
CM
Common Mode Gain V
OCM
= 1V to 1.6V 1 V/V
V
OCMMIN
Output Common Mode Range, MIN
1
1.1
V
V
V
OCMMAX
Output Common Mode Range, MAX
1.6
1.5
V
V
V
OSCM
Common Mode Offset Voltage V
OCM
= 1.1V to 1.5V
–15 15 mV
TCV
OSCM
Common Mode Offset Voltage Drift
3 μV/°C
IV
OCM
V
OCM
Input Current
515 μA
E
N
A
B
L
E Pin
V
IL
E
N
A
B
L
E Input Low Voltage
0.8 V
V
IH
E
N
A
B
L
E Input High Voltage
2.4 V
I
IL
E
N
A
B
L
E Input Low Current
E
N
A
B
L
E = 0.8V
0.5 μA
I
IH
E
N
A
B
L
E Input High Current
E
N
A
B
L
E = 2.4V
1.4 3 μA
Power Supply
V
S
Operating Supply Range
2.85 3 3.5 V
I
S
Supply Current
E
N
A
B
L
E = 0V, Both Inputs and
Outputs Floating
35 45 60 mA
I
SHDN
Shutdown Supply Current
E
N
A
B
L
E = 3V, Both Inputs and
Outputs Floating
0.8 3 mA
PSRR Power Supply Rejection Ratio (Differential
Outputs)
2.85V to 3.5V
60 95.5 dB
The denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. V
+
= 3V, V
= 0V, +IN = –IN = V
OCM
= 1.25V,
E
N
A
B
L
E = 0V, No R
L
unless
otherwise noted.