參數(shù)資料
型號(hào): LT2079
廠商: Linear Technology Corporation
英文描述: Micropower, Dual and Quad, Single Supply, Precision Op Amps
中文描述: 微功耗,雙核和四,單電源,精密運(yùn)算放大器
文件頁(yè)數(shù): 5/16頁(yè)
文件大小: 429K
代理商: LT2079
5
LT2078/LT2079
ELECTRICAL CHARACTERISTICS
V
S
=
±
15V, 0
°
C
T
A
70
°
C, unless otherwise noted (Note 6).
LT2078AC/LT2079AC
MIN
TYP
70
80
LT2078C/LT2079C
MIN
TYP
SYMBOL
V
OS
PARAMETER
Input Offset Voltage
CONDITIONS
LT2078
LT2079
MAX
330
410
MAX
460
540
UNITS
G
G
90
100
μ
V
μ
V
V
OS
T
I
OS
I
B
A
VOL
CMRR
Input Offset Voltage Drift
(Note 5)
LT2078
LT2079
G
0.5
0.6
1.8
3.0
0.6
0.7
2.5
3.8
μ
V/
°
C
μ
V/
°
C
G
Input Offset Current
G
0.06
0.35
0.06
0.50
nA
Input Bias Current
G
6
9
6
11
nA
Large-Signal Voltage Gain
V
O
=
±
10V, R
L
= 5k
V
CM
= 13V, –15V
V
S
= 5V, 0V to
±
18V
R
L
= 5k
G
300
1200
250
1200
V/mV
Common Mode Rejection Ratio
G
95
112
92
112
dB
PSRR
Power Supply Rejection Ratio
G
98
112
±
13.6
95
112
±
13.6
dB
Maximum Output Voltage Swing
G
±
11.0
±
11.0
V
I
S
Supply Current per Amplifier
G
49
73
50
85
μ
A
The
G
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 V
S
=
±
2.5V, V
O
= 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
μ
V.
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 PERFOR
M
A
CE CHARACTERISTICS
U
Input Bias Current vs
Common Mode Voltage
COMMON MODE VOLTAGE (V)
–1
I
0
–2
–4
–6
–8
–10
–12
0
1
2
3
LT2078/79 TPC03
4
T
A
= 125
°
C
T
A
= –55
°
C
V
S
= 5V, 0V
T
A
= 25
°
C
Input Bias and Offset Currents vs
Temperature
TEMPERATURE (
°
C)
–50
B
100
50
0
–5
–6
–7
0
50
75
LT2078/79 TPC02
–25
25
100
125
I
OS
I
B
V
S
= 5V, 0V TO
±
15V
Distribution of Offset Voltage
Drift with Temperature
OFFSET VOLTAGE DRIFT WITH TEMPERATURE (
μ
V/
°
C)
P
25
20
15
10
5
0
LT2078/79 TPC01
–2
–1
0
1
2
V
S
= 5V, 0V
V
= 0.1V
80 LT2078'S
25 LT2079'S
= 260 OP AMPS
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