Datasheet
LTC6240/LTC6241/LTC6242
5
624012fe
ELECTRICAL CHARACTERISTICS
(LTC6240C/I, LTC6240HVC/I, LTC6241C/I, LTC6241HVC/I, LTC6242C/I,
LTC6242HVC/I) The
l denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at
T
A
= 25°C. V
S
= 5V, 0V, V
CM
= 2.5V unless otherwise noted.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage (Note 4) LTC6241 S8
0°C to 70°C
–40°C to 85°C
l
l
40 125
250
300
µV
µV
µV
LTC6242 GN
0°C to 70°C
–40°C to 85°C
l
l
50 150
275
300
µV
µV
µV
LTC6240
0°C to 70°C
–40°C to 85°C
l
l
50 175
300
350
µV
µV
µV
LTC6241 DD, LTC6242 DHC
0°C to 70°C
–40°C to 85°C
l
l
100 550
650
725
µV
µV
µV
V
OS
Match Channel-to-Channel (Note 5) LTC6241 S8
0°C to 70°C
–40°C to 85°C
l
l
40 160
300
375
µV
µV
µV
LTC6242 GN
0°C to 70°C
–40°C to 85°C
l
l
50 185
325
400
µV
µV
µV
LTC6241 DD, LTC6242 DHC
0°C to 70°C
–40°C to 85°C
l
l
150 650
700
750
µV
µV
µV
TC V
OS
Input Offset Voltage Drift (Note 6)
l
0.7 2.5 µV/°C
I
B
Input Bias Current (Notes 4, 7) LTC6241, LTC6242
l
0.2
75
pA
pA
LTC6240
l
0.2 1
75
pA
pA
I
OS
Input Offset Current (Notes 4, 7) LTC6241, LTC6242
l
0.2
75
pA
pA
LTC6240
l
0.2 1
75
pA
pA
Input Noise Voltage 0.1Hz to 10Hz 550 nV
P-P
e
n
Input Noise Voltage Density f = 1kHz 7 10 nV/√Hz
i
n
Input Noise Current Density (Note 8) 0.56 fA/√Hz
R
IN
Input Resistance Common Mode 10
12
C
IN
Input Capacitance
Differential Mode
Common Mode
f = 100kHz
3.5
3
pF
pF
V
CM
Input Voltage Range Guaranteed by CMRR
l
0 3.5 V
CMRR Common Mode Rejection 0V ≤ V
CM
≤ 3.5V
l
80 105 dB
CMRR Match
Channel-to-Channel (Note 5)
l
76 95 dB