參數(shù)資料
型號(hào): LOG102AIDRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 模擬運(yùn)算功能
英文描述: LOG OR ANTILOG AMPLIFIER, 1.4 MHz BAND WIDTH, PDSO14
封裝: GREEN, PLASTIC, MS-012AB, SOIC-14
文件頁數(shù): 4/18頁
文件大小: 490K
代理商: LOG102AIDRG4
www.ti.com
LOG102
12
SBOS211B
(10)
(11)
(12)
(13)
(14)
(15)
≈+
+
1 003
10
0 004
0 003
6
7
.log
.
= 1.003 (1) + 0.004 + 0.0003
= 1.0073V
Since the ideal output is 1.000V, the error as a percent of
reading is
%
.
%.
%
error
=
0 0073
1
100
0 73
For the case of voltage inputs, the actual transfer function is
VV
K
V
R
I
E
R
V
R
I
E
R
Nn
V
OUT
B
OS
B
OS
OS OUT
=
( ) ±
(
)
±
±±
11
2
1
2
log
Where
E
R
and
E
R
OS
1
2
are considered to be zero for large
values of resistance from external input current sources.
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