參數(shù)資料
型號: TLE2037Y
廠商: Texas Instruments, Inc.
英文描述: EXCALIBUR LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS
中文描述: 神劍低噪聲,高精密高速運(yùn)算放大器
文件頁數(shù): 15/35頁
文件大?。?/td> 562K
代理商: TLE2037Y
TLE2027, TLE2037, TLE2027A, TLE2037A, TLE2027Y, TLE2037Y
EXCALIBUR LOW-NOISE HIGH-SPEED
PRECISION OPERATIONAL AMPLIFIERS
SLOS192 – FEBRUARY 1997
6–15
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
typical values
Typical values presented in this data sheet represent the median (50% point) of device parametric performance.
initial estimates of parameter distributions
In the ongoing program of improving data sheets and supplying more information to our customers, Texas
Instruments has added an estimate of not only the typical values but also the spread around these values. These
are in the form of distribution bars that show the 95% (upper) points and the 5% (lower) points from the
characterization of the initial wafer lots of this new device type (see Figure 5). The distribution bars are shown
at the points where data was actually collected. The 95% and 5% points are used instead of
±
3 sigma since
some of the distributions are not true Gaussian distributions.
The number of units tested and the number of different wafer lots used are on all of the graphs where distribution
bars are shown. As noted in Figure 5, there were a total of 835 units from two wafer lots. In this case, there is
a good estimate for the within-lot variability and a possibly poor estimate of the lot-to-lot variability. This is always
the case on newly released products since there can only be data available from a few wafer lots.
The distribution bars are not intended to replace the minimum and maximum limits in the electrical tables. Each
distribution bar represents 90% of the total units tested at a specific temperature. While 10% of the units tested
fell outside any given distribution bar, this should not be interpreted to mean that the same individual devices
fell outside every distribution bar.
C
I
4.5
5
4
3.5
3
2.5
TA – Free-Air Temperature –
°
C
150
125
100
75
50
25
0
– 25
– 50
– 75
(5% of the devices fell below this point.)
5% point on the distribution bar
and lower points on the distribution bar.
90% of the devices were within the upper
(5% of the devices fell above this point.)
95% point on the distribution bar
SUPPLY CURRENT
vs
FREE-AIR TEMPERATURE
From 2 Water Lots
Figure 5. Sample Graph With Distribution Bars
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