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LT1168 Datasheet(Fiches technique) 4 Page - Linear Technology

Numéro de pièce LT1168
Description  Low Power, Single Resistor Gain Programmable, Micropower Precision Instrumentation Amplifier
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Fabricant  LINER [Linear Technology]
Site Internet  http://www.linear.com
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4
LT1168
The q denotes the specifications which apply over the 0
°C ≤ TA ≤ 70°C
temperature range. VS = ±15V, VCM = 0V, RL = 10k unless otherwise noted.
The q denotes the specifications which apply over the – 40
°C ≤ TA ≤ 85°C temperature range. VS = ±15V, VCM = 0V, RL = 10k unless
otherwise noted. (Note 8)
LT1168AI
LT1168I
SYMBOL
PARAMETER
CONDITIONS (Note 6)
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
Gain Error
G = 1
q
0.014
0.04
0.015
0.05
%
G = 10 (Note 7)
q
0.600
1.9
0.700
2.0
%
G = 100 (Note 7)
q
0.600
2.0
0.700
2.1
%
G = 1000 (Note 7)
q
0.600
2.1
0.700
2.2
%
GN
Gain Nonlinearity
VO = ±10V, G = 1
q
3
20
5
25
ppm
(Notes 7, 8)
VO = ±10V, G = 10 and 100
q
10
35
15
40
ppm
VO =
±10V, G = 1000
q
30
70
35
100
ppm
∆G/∆T
Gain vs Temperature
G < 1000 (Note 7)
q
100
200
100
200
ppm/
°C
LT1168AC
LT1168C
SYMBOL
PARAMETER
CONDITIONS (Note 6)
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
VOST
Total Input Referred Offset Voltage
VOST = VOSI + VOSO/G
VOSI
Input Offset Voltage
VS = ±5V to ±15V
q
18
60
23
80
µV
VOSIH
Input Offset Voltage Hysteresis
(Notes 7, 10)
q
3.0
3.0
µV
VOSO
Output Offset Voltage
VS = ±5V to ±15V
q
60
380
70
500
µV
VOSOH
Output Offset Voltage Hysteresis (Notes 7, 10)
q
30
30
µV
VOSI/T
Input Offset Drift (RTI)
(Note 9)
q
0.05
0.3
0.06
0.4
µV/°C
VOSO/T
Output Offset Drift
(Note 9)
q
0.7
3
0.8
4
µV/°C
IOS
Input Offset Current
q
100
400
120
550
pA
IOS/T
Input Offset Current Drift
q
0.3
0.4
pA/
°C
IB
Input Bias Current
q
65
350
105
600
pA
IB/T
Input Bias Current Drift
q
1.4
1.4
pA/
°C
VCM
Input Voltage Range
G = 1, Other Input Grounded
VS = ±2.3V to ±5V
q
–VS + 2.1
+VS – 1.3 –VS + 2.1
+VS – 1.3
V
VS = ±5V to ±18V
q
–VS + 2.1
+VS – 1.4 –VS + 2.1
+VS – 1.4
V
CMRR
Common Mode
1k Source Imbalance,
Rejection Ratio
VCM = 0V to ±10V
G = 1
q
88
92
83
92
dB
G = 10
q
100
110
97
110
dB
G = 100
q
115
120
113
120
dB
G = 1000
q
117
135
114
135
dB
PSRR
Power Supply
VS = ±2.3V to ±18V
Rejection Ratio
G = 1
q
102
115
98
115
dB
G = 10
q
123
130
118
130
dB
G = 100
q
127
135
124
135
dB
G = 1000
q
129
145
126
145
dB
IS
Supply Current
VS = ±2.3V to ±18V
q
390
615
390
615
µA
VOUT
Output Voltage Swing
RL = 10k
VS = ±2.3V to ±5V
q
–VS + 1.4
+VS – 1.3 –VS + 1.4
+VS – 1.3
V
VS = ±5V to ±18V
q
–VS + 1.6
+VS – 1.5 –VS + 1.6
+VS – 1.5
V
IOUT
Output Current
q
16
25
16
25
mA
SR
Slew Rate
G = 1, VOUT = ±10V
q
0.25
0.48
0.25
0.48
V/
µs
VREF
Voltage Range
(Note 9)
q
–VS + 1.6
+VS – 1.6 –VS + 1.6
+VS – 1.6
V
ELECTRICAL CHARACTERISTICS




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