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LT2078 Datasheet(PDF) 5 Page - Linear Technology

Part No. LT2078
Description  Micropower, Dual and Quad, Single Supply, Precision Op Amps
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Maker  LINER [Linear Technology]
Homepage  http://www.linear.com
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LT2078 Datasheet(HTML) 5 Page - Linear Technology

 
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5
LT 2078/LT 2079
ELECTRICAL CHARACTERISTICS VS = ±15V, 0°C ≤ TA ≤ 70°C, unless otherwise noted (Note 6).
LT2078AC/LT2079AC
LT2078C/LT2079C
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
VOS
Input Offset Voltage
LT2078
q
70
330
90
460
µV
LT2079
q
80
410
100
540
µV
∆VOS
Input Offset Voltage Drift
LT2078
q
0.5
1.8
0.6
2.5
µV/°C
∆T
(Note 5)
LT2079
q
0.6
3.0
0.7
3.8
µV/°C
IOS
Input Offset Current
q
0.06
0.35
0.06
0.50
nA
IB
Input Bias Current
q
69
6
11
nA
AVOL
Large-Signal Voltage Gain
VO = ±10V, RL = 5k
q
300
1200
250
1200
V/mV
CMRR
Common Mode Rejection Ratio
VCM = 13V, –15V
q
95
112
92
112
dB
PSRR
Power Supply Rejection Ratio
VS = 5V, 0V to ±18V
q
98
112
95
112
dB
Maximum Output Voltage Swing
RL = 5k
q
±11.0
±13.6
±11.0
±13.6
V
IS
Supply Current per Amplifier
q
49
73
50
85
µA
The q denotes specifications which apply over the full operating
temperature range.
Note 1: Typical parameters are defined as the 60% yield of parameter
distributions of individual amplifiers, i.e., out of 100 LT2079s (or 100
LT2078s) typically 240 op amps (or 120) will be better than the indicated
specification.
Note 2: This parameter is tested on a sample basis only. All noise
parameters are tested with VS = ±2.5V, VO = 0V.
Note 3: This parameter is guaranteed by design and is not tested.
Note 4: Power supply rejection ratio is measured at the minimum supply
voltage. The op amps actually work at 1.8V supply but with a typical offset
skew of –300
µV.
Note 5: This parameter is not 100% tested.
Note 6: The LT2078C/LT2079C are designed, characterized and expected
to meet the industrial temperature limits, but are not tested at – 40
°C and
85
°C. I-grade parts are guaranteed.
TYPICAL PERFORMANCE CHARACTERISTICS
Input Bias Current vs
Common Mode Voltage
COMMON MODE VOLTAGE (V)
–1
0
–2
–4
–6
–8
–10
–12
012
3
LT2078/79 • TPC03
4
TA = 125°C
TA = –55°C
VS = 5V, 0V
TA = 25°C
Input Bias and Offset Currents vs
Temperature
TEMPERATURE (
°C)
–50
100
50
0
–5
–6
–7
0
50
75
LT2078/79 • TPC02
–25
25
100
125
IOS
IB
VS = 5V, 0V TO ±15V
Distribution of Offset Voltage
Drift with Temperature
OFFSET VOLTAGE DRIFT WITH TEMPERATURE (
µV/°C)
25
20
15
10
5
0
LT2078/79 • TPC01
–2
–1
0
1
2
VS = 5V, 0V
VCM = 0.1V
80 LT2078'S
25 LT2079'S
= 260 OP AMPS


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