Datasheet

LTC6400-26
3
640026fa
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
●
0.0038 dB/°C
V
SWINGMIN
Output Swing Low Each Output, V
IN
= ±200mV Differential
●
90 160 mV
V
SWINGMAX
Output Swing High Each Output, V
IN
= ±200mV Differential
●
2.35 2.48 V
V
OUTDIFFMAX
Maximum Differential Output Swing 1dB Compressed
●
4.38 4.7 V
P-P
I
OUT
Output Current Drive Each Output, V
IN
= ±200mV,
V
OUT
> 2V
P-P
●
20 mA
V
OS
Input Offset Voltage Differential
●
–2 2 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 Differential, Includes Parasitics 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 Parasitics 2.7 pF
CMRR Common Mode Rejection Ratio Input Common Mode Voltage
1.1V to 1.4V
●
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
ENABLE Pin
V
IL
ENABLE Input Low Voltage
●
0.8 V
V
IH
ENABLE Input High Voltage
●
2.4 V
I
IL
ENABLE Input Low Current ENABLE = 0.8V
●
0.5 μA
I
IH
ENABLE Input High Current ENABLE = 2.4V
●
1.4 3 μA
Power Supply
V
S
Operating Supply Range
●
2.85 3 3.5 V
I
S
Supply Current ENABLE = 0.8V
●
70 85 102 mA
I
SHDN
Shutdown Supply Current ENABLE = 2.4V
Both Inputs and Outputs Floating
●
0.8 3 mA
PSRR Power Supply Rejection Ratio
(Differential Outputs)
2.85V to 3.5V
●
65 96 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, ENABLE= 0V, No R
L
unless
otherwise noted.