Datasheet

LTC6240/LTC6241/LTC6242
7
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
= 3V, 0V, V
CM
= 1.5V 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
40 175
275
325
µV
µV
µV
LTC6242 GN
0°C to 70°C
–40°C to 85°C
l
l
60 200
275
325
µV
µV
µV
LTC6240
0°C to 70°C
–40°C to 85°C
l
l
50 200
325
375
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
40 200
325
400
µV
µV
µV
LTC6242 GN
0°C to 70°C
–40°C to 85°C
l
l
60 225
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
V
CM
Input Voltage Range Guaranteed by CMRR
l
0 1.5 V
CMRR Common Mode Rejection 0V ≤ V
CM
≤ 1.5V
l
78 100 dB
CMRR Match
Channel-to-Channel (Note 5)
l
76 95 dB
A
VOL
Large Signal Voltage Gain V
O
= 1V to 2V
R
L
= 10k to V
S
/2
0°C to 70°C
–40°C to 85°C
l
l
140
100
75
600 V/mV
V/mV
V/mV
V
OL
Output Voltage Swing Low (Note 9) No Load
I
SINK
= 1mA
l
l
3
65
30
110
mV
mV
V
OH
Output Voltage Swing High (Note 9) No Load
I
SOURCE
= 1mA
l
l
4
70
30
120
mV
mV
PSRR Power Supply Rejection V
S
= 2.8V to 6V, V
CM
= 0.2V
l
80 104 dB
PSRR Match
Channel-to-Channel (Note 5)
l
74 100 dB
Minimum Supply Voltage (Note 10)
l
2.8 V
I
SC
Short-Circuit Current
l
36 mA