LT2178I Просмотр технического описания (PDF) - Linear Technology
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LT2178I Datasheet PDF : 12 Pages
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LT 2178/LT 2179
ELECTRICAL CHARACTERISTICS VS = 5V, 0V, VCM = 0.1V, VO = 1.4V, TA = 25°C, unless otherwise noted.
SYMBOL PARAMETER
AVOL
Large-Signal Voltage Gain
Maximum Output Voltage
Swing
SR
Slew Rate
GBW Gain Bandwidth Product
IS
Supply Current per Amplifier
Channel Separation
Minimum Supply Voltage
CONDITIONS (NOTE 1)
VO = 0.03V to 4V, No Load (Note 3)
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
AV = 1, CL = 10pF (Note 3)
fO ≤ 5kHz
VS = ±1.5V, VO = 0V
∆VIN = 3V, RL = 10k
(Note 4)
LT2178AC/LT2178AI
LT2179AC/LT2179AI
MIN TYP MAX
140 700
80 200
6.5
9
0.2 0.6
120 160
4.2 4.4
3.5 3.8
0.013 0.025
60
13
18
12
17
110
2.0 2.2
LT2178C/LT2178I
LT2179C/LT2179I
MIN TYP MAX
110 700
70 200
6.5
9
0.2 0.6
120 160
4.2 4.4
3.5 3.8
0.013 0.025
60
14
21
13
20
110
2.0 2.2
UNITS
V/mV
V/mV
mV
mV
mV
V
V
V/µs
kHz
µA
µA
dB
V
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
LT2178AI/LT2179AI
LT2178I/LT2179I
MIN TYP MAX MIN TYP MAX
VOS
Input Offset Voltage
LT2178
LT2179
q
70 270
q
80 300
95 370
100 400
∆VOS
∆T
Input Offset Voltage Drift
LT2178 (Note 5)
LT2179
q
0.4 1.8
0.5 3.0
0.5 2.5
0.6 3.5
IOS
Input Offset Current
q
0.07 0.70
0.1 1.0
IB
Input Bias Current
q
3
7
4
8
CMRR Common Mode Rejection Ratio VCM = 0.05V to 3.2V
q 86
100
84
98
PSRR Power Supply Rejection Ratio VS = 3V to 12V
q 88
100
86 100
AVOL
Large-Signal Voltage Gain
VO = 0.05V to 4V, No Load (Note 3) q 75
350
VO = 0.05V to 3.5V, RL = 50k
q 40
130
50 350
30 130
Maximum Output Voltage
Output Low, No Load
q
Swing
Output Low, ISINK = 100µA
q
9
13
160 220
9
13
160 220
Output High, No Load
Output High, 2k to GND
q 3.9
4.2
q 3.0
3.7
3.9 4.2
3.0 3.7
IS
Supply Current per Amplifier
q
15
24
15
27
UNITS
µV
µV
µV/°C
µV/°C
nA
nA
dB
dB
V/mV
V/mV
mV
mV
V
V
µA
VS = 5V, 0V, VCM = 0.1V, VO = 1.4V, 0°C ≤ TA ≤ 70°C, unless otherwise noted. (Note 7)
SYMBOL PARAMETER
CONDITIONS
LT2178AC/LT2179AC
MIN TYP MAX
VOS
Input Offset Voltage
LT2178
LT2179
q
50 170
q
60 200
∆VOS
∆T
Input Offset Voltage Drift
LT2178 (Note 5)
LT2179
q
0.4 1.8
0.5 3.0
IOS
IB
CMRR
PSRR
Input Offset Current
Input Bias Current
Common Mode Rejection Ratio VCM = 0V to 3.4V
Power Supply Rejection Ratio VS = 2.5V to 12V
q
q
q 90
q 90
0.06 0.35
3
6
101
102
LT2178C/LT2179C
MIN TYP MAX
65 250
70 290
0.5 2.5
0.6 3.5
0.06 0.50
3
7
86 100
88 102
UNITS
µV
µV
µV/°C
µV/°C
nA
nA
dB
dB
3
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