LT2178/LT2179
4
21789fc
SYMBOL PARAMETER
CONDITIONS
LT2178AI
LT2178I/LT2179I
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
AVOL
Large-Signal Voltage Gain
VO = 0.05V to 4V, No Load (Note 3)
VO = 0.05V to 3.5V, RL = 50k
l
75
40
350
130
50
30
350
130
V/mV
Maximum Output Voltage Swing
Output Low, No Load
Output Low, ISINK = 100μA
l
9
160
13
220
9
160
13
220
mV
Output High, No Load
Output High, 2k to GND
l
3.9
3
4.2
3.7
3.9
3
4.2
3.7
V
IS
Supply Current per Amplier
l
15
24
15
27
μA
The
l denotes the specications which apply over the full operating
temperature range. VS = 5V, 0V, VCM = 0.1V, VO = 1.4V, –40°C ≤ TA ≤ 85°C for I-grades, unless otherwise noted. (Note 6)
SYMBOL PARAMETER
CONDITIONS
LT2178AC/LT2179AC
LT2178C/LT2179C
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
VOS
Input Offset Voltage
LT2178
LT2179
l
50
60
170
200
65
70
250
290
V/mV
ΔVOS
ΔT
Input Offset Voltage Drift
LT2178 (Note 5)
LT2179
l
0.4
0.5
1.8
3
0.5
0.6
2.5
3.5
mV
IOS
Input Offset Current
l
0.06
0.35
0.06
0.5
nA
IB
Input Bias Current
l
36
37
nA
CMRR
Common Mode Rejection Ratio
VCM = 0V to 3.4V
l
90
101
86
100
dB
PSRR
Power Supply Rejection Ratio
VS = 2.5V to 12V
l
90
102
88
102
dB
AVOL
Large-Signal Voltage Gain
VO = 0.05V to 4V, No Load (Note 3)
VO = 0.05V to 3.5V, RL = 50k
l
150
55
500
160
80
45
500
160
V/mV
Maximum Output Voltage Swing
Output Low, No Load
Output Low, ISINK = 100μA
l
8
140
11
190
8
140
11
190
mV
Output High, No Load
Output High, 2k to GND
l
4.1
3.3
4.3
3.8
4.1
3.3
4.3
3.8
V
The
l denotes the specications which apply over the full operating temperature range. VS = 5V, 0V, VCM = 0.1V, VO = 1.4V,
0°C ≤ TA ≤ 70°C, unless otherwise noted. (Note 7)
VS = ±15V, TA = 25°C, unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
LT2178AC/LT2178AI
LT2179AC
LT2178C/LT2178I
LT2179C/LT2179I
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
VOS
Input Offset Voltage
LT2178
LT2179
70
80
300
350
90
100
400
450
μV
IOS
Input Offset Current
0.05
0.25
0.05
0.35
nA
IB
Input Bias Current
3
5
3
6
nA
Input Voltage Range
13.5
–15
13.9
–15.3
13.5
–15
13.9
–15.3
V
CMRR
Common Mode Rejection Ratio
VCM = 13.5V to –15V
96
106
93
106
dB
PSRR
Power Supply Rejection Ratio
VS = 5V, 0V to ±18V
96
112
94
112
dB
AVOL
Large-Signal Voltage Gain
VO = ±10V, RL = 50k
VO = ±10V, No Load
300
600
1200
2500
250
400
1000
2500
V/mV
VOUT
Maximum Output Voltage Swing
RL = 50k
RL = 2k
±13
±11
±14.2
±12.7
±13
±11
±14.2
±12.7
V
SR
Slew Rate
AV = 1
0.02
0.04
0.02
0.04
V/μs
ELECTRICAL CHARACTERISTICS