Datasheet

LT1801/LT1802
4
18012fc
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage V
CM
= 0V
V
CM
= 0V (MS8)
V
CM
= 0V (DD)
V
CM
= V
S
l
l
l
l
125
140
290
0.6
500
650
950
3.5
μV
μV
μV
mV
ΔV
OS
Input Offset Shift V
CM
= 0V to V
S
– 1.5V
l
30 275 μV
Input Offset Voltage Match
(Channel-to-Channel) (Note 9)
V
CM
= 0V
V
CM
= 0V (MS8)
V
CM
= 0V (DD)
l
l
l
200
200
275
850
1250
1500
μV
μV
μV
V
OS
TC Input Offset Voltage Drift (Note 8)
l
1.5 5 μV/°C
I
B
Input Bias Current V
CM
= 1V
V
CM
= V
S
– 0.2V
l
l
50
550
300
2000
nA
nA
Input Bias Current Match
(Channel-to-Channel) (Note 9)
V
CM
= 1V
V
CM
= V
S
– 0.2V
l
l
25
25
400
600
nA
nA
I
OS
Input Offset Current V
CM
= 1V
V
CM
= V
S
– 0.2V
l
l
25
25
300
300
nA
nA
A
VOL
Large-Signal Voltage Gain V
S
= 5V, V
O
= 0.5V to 4.5V, R
L
= 1k at V
S
/2
V
S
= 5V, V
O
= 1V to 4V, R
L
= 100Ω at V
S
/2
V
S
= 3V, V
O
= 0.5V to 2.5V, R
L
= 1k at V
S
/2
l
l
l
25
2.5
20
75
6
75
V/mV
V/mV
V/mV
CMRR Common Mode Rejection Ratio V
S
= 5V, V
CM
= 0V to 3.5V
V
S
= 3V, V
CM
= 0V to 1.5V
l
l
82
74
101
93
dB
dB
CMRR Match (Channel-to-Channel) (Note 9) V
S
= 5V, V
CM
= 0V to 3.5V
V
S
= 3V, V
CM
= 0V to 1.5V
l
l
76
68
101
93
dB
dB
Input Common Mode Range
l
0V
S
V
PSRR Power Supply Rejection Ratio V
S
= 2.5V to 10V, V
CM
= 0V
l
74 91 dB
PSRR Match (Channel-to-Channel) (Note 9) V
S
= 2.5V to 10V, V
CM
= 0V
l
68 91 dB
Minimum Supply Voltage (Note 6)
l
2.3 2.5 V
V
OL
Output Voltage Swing Low (Note 7) No Load
I
SINK
= 5mA
I
SINK
= 20mA
l
l
l
18
100
300
80
225
600
mV
mV
mV
V
OH
Output Voltage Swing High (Note 7) No Load
I
SOURCE
= 5mA
I
SOURCE
= 20mA
l
l
l
25
150
600
80
300
950
mV
mV
mV
I
SC
Short-Circuit Current V
S
= 5V
V
S
= 3V
l
l
20
15
40
30
mA
mA
I
S
Supply Current per Amplifi er
l
22.8 mA
GBW Gain Bandwidth Product Frequency = 2MHz
l
35 75 MHz
SR Slew Rate V
S
= 5V, A
V
= –1, R
L
= 1k, V
O
= 1V to 4V
l
11 22 V/μs
The l denotes the specifi cations which apply over the temperature range
of 0°C < T
A
< 70°C. V
S
= 5V, 0V; V
S
= 3V, 0V; V
CM
= V
OUT
= half supply, unless otherwise noted.