參數(shù)資料
型號： LOG104AIDR
廠商： TEXAS INSTRUMENTS INC
元件分類： 模擬運(yùn)算功能
英文描述： LOG OR ANTILOG AMPLIFIER, 0.01 MHz BAND WIDTH, PDSO8
封裝： ROHS COMPLIANT, PLASTIC, MS-012AA, SOIC-8
文件頁數(shù)： 2/14頁
文件大?。?/td> 294K
代理商： LOG104AIDR
www.ti.com
LOG104
10
SBOS243C
(8)
(9)
(10)
(11)
(12)
(13)
INDIVIDUAL ERROR COMPONENTS
The ideal transfer function with current input is:
VV
I
OUT =
(
)
05
1
2
.log
The actual transfer function with the major components of
error is:
VV
K
II
Nm
V
OUT
B
OS O
=
(
) ±
(
)
±±
05
1
11
22
.
log
–
The individual component of error is:
K = gain accuracy (0.15%, typ), as specified in
specification table.
IB1 = bias current of A1 (5pA, typ)
IB2 = bias current of A2 (5pA, typ)
N = log conformity error (0.01%, 0.06%, typ)
0.01% for n = 5, 0.06% for n = 7.5
VOSO = output offset voltage (3mV, typ)
m = number of decades over which N is specified:
Example: what is the error when
I1 = 1A and I2 = 100nA
VmV
OUT =±
(
)
±
( )(
) ±
0 5
0 0015
10
5 10
10
5 10
2 0 0001 5
3 0
612
712
.
log
..
= 0.5055V
Since the ideal output is 0.5V, the error as a percent of
reading is
%
.
%. %
error
=
0 5055
05
100
1 1
For the case of voltage inputs, the actual transfer function is
VV
K
V
R
I
E
R
V
R
I
E
R
Nm
V
OUT
B
OS
B
OS
OSO
=
(
) ±
(
)
±
±±
05
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.
相關(guān)PDF資料
PDF描述
LOG104AID LOG OR ANTILOG AMPLIFIER, 0.01 MHz BAND WIDTH, PDSO8
LOG104AIDE4 LOG OR ANTILOG AMPLIFIER, 0.01 MHz BAND WIDTH, PDSO8
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LOK4801-2RFF 1-OUTPUT 50 W AC-DC REG PWR SUPPLY MODULE
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LOG104AIDRE4 功能描述:對數(shù)放大器 LOGARITHMIC AMP RoHS:否 制造商:Texas Instruments 通道數(shù)量:3 帶寬:3 dB 共模抑制比（最小值）: 輸入補(bǔ)償電壓:+/- 7 mV 輸入電壓范圍（最大值）:5.5 V 工作電源電壓:4.5 V to 5.5 V 電源電流:+/- 15 mA 工作溫度范圍:- 40 C to +85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel
LOG112 制造商:BB 制造商全稱:BB 功能描述:Precision, High-Speed Transimpedance Amplifier
LOG112AID 功能描述:對數(shù)放大器 Precision Log & Log Ratio Amp RoHS:否 制造商:Texas Instruments 通道數(shù)量:3 帶寬:3 dB 共模抑制比（最小值）: 輸入補(bǔ)償電壓:+/- 7 mV 輸入電壓范圍（最大值）:5.5 V 工作電源電壓:4.5 V to 5.5 V 電源電流:+/- 15 mA 工作溫度范圍:- 40 C to +85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel
LOG112AID 制造商:Texas Instruments 功能描述:IC AMP LOG SMD SOIC14 112
LOG112AIDE4 功能描述:對數(shù)放大器 Precision Log & Log Ratio Amp RoHS:否 制造商:Texas Instruments 通道數(shù)量:3 帶寬:3 dB 共模抑制比（最小值）: 輸入補(bǔ)償電壓:+/- 7 mV 輸入電壓范圍（最大值）:5.5 V 工作電源電壓:4.5 V to 5.5 V 電源電流:+/- 15 mA 工作溫度范圍:- 40 C to +85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel
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