LT2078 データシートの表示（PDF） - Linear Technology
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LT2078 Datasheet PDF : 16 Pages
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LT 2078/LT 2079
ELECTRICAL CHARACTERISTICS VS = 5V, 0V, VCM = 0.1V, VO = 1.4V, TA = 25°C, unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS (NOTE 1)
LT2078AC/LT2078AI
LT2079AC/LT2079AI
MIN TYP MAX
LT2078C/LT2078I
LT2079C/LT2079I
MIN TYP MAX
UNITS
AVOL
Large-Signal Voltage Gain
Maximum Output Voltage
Swing
VO = 0.03V to 4V, No Load
VO = 0.03V to 3.5V, RL = 50k
Output Low, No Load
Output Low, 2k to GND
Output Low, ISINK = 100µA
Output High, No Load
Output High, 2k to GND
SR
Slew Rate
AV = 1, VS = ± 2.5V
GBW Gain Bandwidth Product
fO ≤ 20kHz
IS
Supply Current per Amplifier
Channel Separation
∆VIN = 3V, RL = 10k, f ≤ 10Hz
Minimum Supply Voltage
(Note 5)
200 1000
150 600
150 1000
120 600
3.5
6
0.55 1.2
95 130
3.5
6
0.55 1.2
95 130
4.2 4.4
3.5 3.9
4.2 4.4
3.5 3.9
0.04 0.07
0.04 0.07
200
200
38
50
39
55
110
110
2.2 2.3
2.2 2.3
V/mV
V/mV
mV
mV
mV
V
V
V/µs
kHz
µA
dB
V
The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
VS = 5V, 0V, VCM = 0.1V, VO = 1.4V, – 40°C ≤ TA ≤ 85°C for I grades, unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
LT2078AI/LT2079AI
LT2078I/LT2079I
MIN TYP MAX MIN TYP MAX UNITS
VOS
Input Offset Voltage
LT2078
LT2079
q
70 250
q
80 280
95 370
µV
100 400
µV
∆VOS
∆T
Input Offset Voltage Drift
(Note 6)
LT2078
LT2079
q
0.4 1.8
q
0.6 3.0
0.5 2.5 µV/°C
0.6 3.5 µV/°C
IOS
IB
CMRR
PSRR
AVOL
Input Offset Current
Input Bias Current
Common Mode Rejection Ratio
Power Supply Rejection Ratio
Large-Signal Voltage Gain
Maximum Output Voltage
Swing
VCM = 0.05V to 3.2V
VS = 3.1V to 12V
VO = 0.05V to 4V, No Load
VO = 0.05V to 3.5V, RL = 50k
Output Low, No Load
Output Low, ISINK = 100µA
Output High, No Load
Output High, 2k to GND
q
0.07 0.70
0.1 1.0
nA
q
7
10
7
12
nA
q 90 106
86 104
dB
q 96 110
92 110
dB
q 110 600
q 80 400
80 600
60 400
V/mV
V/mV
q
4.5
8
q
125 170
4.5
8
mV
125 170
mV
q 3.9 4.2
3.9 4.2
V
q 3.0 3.7
3.0 3.7
V
IS
Supply Current per Amplifier
q
43
60
45
70
µA
The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
VS = 5V, 0V, VCM = 0.1V, VO = 1.4V, 0°C ≤ TA ≤ 70°C, unless otherwise noted (Note 7)
SYMBOL PARAMETER
CONDITIONS
LT2078AC/LT2079AC
LT2078C/LT2079C
MIN TYP MAX MIN TYP MAX UNITS
VOS
Input Offset Voltage
LT2078
LT2079
q
50 150
q
60 180
60 240
µV
70 270
µV
∆VOS
∆T
Input Offset Voltage Drift
(Note 6)
LT2078
LT2079
q
0.4 1.8
q
0.5 3.0
0.5 2.5 µV/°C
0.6 3.5 µV/°C
IOS
IB
CMRR
PSRR
Input Offset Current
Input Bias Current
Common Mode Rejection Ratio VCM = 0V to 3.4V
Power Supply Rejection Ratio VS = 2.6V to 12V
q
0.06 0.35
0.06 0.50
nA
q
6
9
6
11
nA
q 92 108
88 106
dB
q 98 112
95 112
dB
20789fa
3
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