Datasheet

LTC6240/LTC6241/LTC6242
7
624012fc
(LTC6240HVC/I, LTC6241HVC/I, LTC6242HVC/I) The ● denotes the
specifi cations which apply over the specifi ed temperature range, otherwise specifi cations are at T
A
= 25°C. V
S
= ±5V, 0V, V
CM
= 0V
unless otherwise noted.
ELECTRICAL CHARACTERISTICS
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
●
●
50 175
275
325
µV
µV
µV
LTC6242 GN
0°C to 70°C
–40°C to 85°C
●
●
60 200
275
325
µV
µV
µV
LTC6240
0°C to 70°C
–40°C to 85°C
●
●
60 250
350
400
µV
µV
µV
LTC6241 DD, LTC6242 DHC
0°C to 70°C
–40°C to 85°C
●
●
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
●
●
50 200
325
400
µV
µV
µV
LTC6242 GN
0°C to 70°C
–40°C to 85°C
●
●
60 225
325
400
µV
µV
µV
LTC6241 DD, LTC6242 DHC
0°C to 70°C
–40°C to 85°C
●
●
150 650
700
750
µV
µV
µV
TC V
OS
Input Offset Voltage Drift (Note 6)
●
0.7 2.5 µV/°C
I
B
Input Bias Current (Notes 4, 7) LTC6241, LTC6242
●
0.5
75
pA
pA
LTC6240
●
0.5 1
75
pA
pA
I
OS
Input Offset Current (Notes 4, 7) LTC6241, LTC6242
●
0.2
75
pA
pA
LTC6240
●
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
Ω
C
IN
Input Capacitance
Differential Mode
Common Mode
f = 100kHz
3.5
3
pF
pF
V
CM
Input Voltage Range Guaranteed by CMRR
●
–5 3.5 V
CMRR Common Mode Rejection –5V ≤ V
CM
≤ 3.5V
●
83 105 dB
CMRR Match
Channel-to-Channel (Note 5)
●
76 95 dB
A
VOL
Large Signal Voltage Gain V
O
= –3.5V to 3.5V
R
L
= 10k
0°C to 70°C
–40°C to 85°C
●
●
775
600
500
2700 V/mV
V/mV
V/mV
R
L
= 1k
0°C to 70°C
–40°C to 85°C
●
●
150
90
75
360 V/mV
V/mV
V/mV
V
OL
Output Voltage Swing Low (Note 9) No Load
I
SINK
= 1mA
I
SINK
= 10mA
●
●
●
15
45
360
30
75
550
mV
mV
mV