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參數(shù)資料
| 型號(hào)： | 4127 |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 對(duì)數(shù)放大器 |
| 英文描述： | Logarithmic Amplifier(對(duì)數(shù)放大器) |
| 中文描述： | 對(duì)數(shù)放大器（對(duì)數(shù)放大器） |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 107K |
| 代理商： | 4127 |
FEATURES
q ACCEPTS INPUT VOLTAGES OR
CURRENTS OF EITHER POLARITY
q WIDE INPUT DYNAMIC RANGE
6 Decades of Current
4 Decades of Voltage
q VERSATILE
Log, Antilog, and Log Ratio Capability
LOGARITHMIC AMPLIFIER
DESCRIPTION
Packaged in a ceramic double wide DIP, the 4127 is
the first hybrid logarithmic amplifier that accepts
signals of either polarity from current or voltage
sources. A special purpose monolithic chip, devel-
oped specifically for logarithmic conversions,
functions accurately for up to six decades of input
current and four decades of input voltage. In addition,
a current inverter and a precise internal reference
allow pin programming of the 4127 as a logarithmic,
log ratio, or antilog amplifier.
To further increase its versatility and reduce your
system cost, the 4127 has an uncommitted operational
amplifier in its package that can be used as a buffer,
inverter, filter, or gain element.
The 4127 is available with initial accuracies (log
conformity) of 0.5% and 1.0%, and operates over an
ambient temperature range of –10
°C to +70°C.
With its versatility and high performance, the 4127
has many applications in signal compression, trans-
ducer linearization, and phototube buffering.
Manufacturers of medical equipment, analytical
instruments, and process control instrumentation will
find the 4127 a low cost solution to many signal
processing problems.
4127
International Airport Industrial Park
Mailing Address: PO Box 11400
Tucson, AZ 85734
Street Address: 6730 S. Tucson Blvd.
Tucson, AZ 85706
Tel: (520) 746-1111
Twx: 910-952-1111
Cable: BBRCORP
Telex: 066-6491
FAX: (520) 889-1510
Immediate Product Info: (800) 548-6132
+15VDC
–15VDC
1976 Burr-Brown Corporation
PDS-346F
Printed in U.S.A. October, 1993
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