Datasheet

LTC6244
3
6244fb
(LTC6244C/I, LTC6244HVC/I) The l 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
= 2.5V unless otherwise noted.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage (Note 4) MS8 Package
0°C to 70°C
–40°C to 85°C
l
l
40 100
225
300
µV
µV
µV
DD Package
0°C to 70°C
–40°C to 85°C
l
l
100 650
800
950
µV
µV
µV
V
OS
Match Channel-to-Channel (Note 5) MS8 Package
0°C to 70°C
–40°C to 85°C
l
l
40 160
275
325
µV
µV
µV
DD Package
0°C to 70°C
–40°C to 85°C
l
l
150 800
900
1.1
µV
µV
mV
TC V
OS
Input Offset Voltage Drift, MS8 (Note 6)
l
0.7 2.5 µV/°C
I
B
Input Bias Current (Notes 4, 7)
l
1
75
pA
pA
I
OS
Input Offset Current (Notes 4, 7)
l
0.5
75
pA
pA
Input Noise Voltage 0.1Hz to 10Hz 1.5 µV
P-P
e
n
Input Noise Voltage Density f = 1kHz 8 12 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
2.1
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
74 105 dB
CMRR Match
Channel-to-Channel (Note 5)
l
72 100 dB
A
VOL
Large Signal Voltage Gain V
O
= 1V to 4V
R
L
= 10k to V
S
/2
0°C to 70°C
–40°C to 85°C
l
l
1000
600
450
2500 V/mV
V/mV
V/mV
V
O
= 1.5V to 3.5V
R
L
= 1k to V
S
/2
0°C to 70°C
–40°C to 85°C
l
l
300
200
150
1000 V/mV
V/mV
V/mV
V
OL
Output Voltage Swing Low (Note 9) No Load
I
SINK
= 1mA
I
SINK
= 5mA
l
l
l
15
40
150
35
75
300
mV
mV
mV
V
OH
Output Voltage Swing High (Note 9) No Load
I
SOURCE
= 1mA
I
SOURCE
= 5mA
l
l
l
15
45
175
35
75
325
mV
mV
mV
PSRR Power Supply Rejection V
S
= 2.8V to 6V, V
CM
= 0.2V
l
75 105 dB
PSRR Match
Channel-to-Channel (Note 5)
l
73 100 dB
Minimum Supply Voltage (Note 10)
l
2.8 V
I
SC
Short-Circuit Current
l
25 35 mA
I
S
Supply Current per Amplifi er
l
6.25 7.4 mA
ELECTRICAL CHARACTERISTICS