參數(shù)資料
型號： OPA860IDR
元件分類： 跨導(dǎo)放大器
英文描述： Wide Bandwidth OPERATIONAL TRANSCONDUCTANCE AMPLIFIER (OTA) and BUFFER
中文描述： 寬帶運算跨導(dǎo)放大器（OTA）和緩沖區(qū)
文件頁數(shù)： 1/29頁
文件大小： 613K
代理商： OPA860IDR
OTA FEATURES
Wide Bandwidth (80MHz, Open-Loop, G = +5)
High Slew Rate (900V/μs)
High Transconductance (95mA/V)
External I
Q
-Control
DESCRIPTION
The OPA860 is a versatile monolithic component
designed for wide-bandwidth systems, including high
performance video, RF and IF circuitry. It includes a
wideband,
bipolar
operational
amplifier (OTA), and voltage buffer amplifier.
BUFFER FEATURES
Closed-Loop Buffer
Wide Bandwidth (1600MHz, V
O
= 1V
PP
)
High Slew Rate (4000V/μs)
60mA Output Current
OPA860 FEATURES
Low Quiescent Current (11.2mA)
Versatile Circuit Function
APPLICATIONS
Baseline Restore Circuits
Video/Broadcast Equipment
Communications Equipment
High-Speed Data Acquisition
Wideband LED Driver
AGC-Multiplier
ns-Pulse Integrator
Control Loop Amplifier
OPA660 Upgrade
OPA860
SBOS331–JUNE 2005
Wide Bandwidth
OPERATIONAL TRANSCONDUCTANCE
AMPLIFIER (OTA) and BUFFER
transconductance
The OTA or voltage-controlled current source can be
viewed as an
ideal transistor
. Like a transistor, it has
three terminals—a high impedance input (base), a
low-impedance input/output (emitter), and the current
output (collector). The OTA, however, is self-biased
and bipolar. The output collector current is zero for a
zero base-emitter voltage. AC inputs centered about
zero produce an output current, which is bipolar and
centered about zero. The transconductance of the
OTA can be adjusted with an external resistor,
allowing bandwidth, quiescent current, and gain
trade-offs to be optimized.
Also included in the OPA860 is an uncommited
closed-loop,
unity-gain
1600MHz bandwidth and 4000V/μs slew rate.
buffer.
This
provides
Used as a basic building block, the OPA860 sim-
plifies the design of AGC amplifiers, LED driver
circuits for fiber optic transmission, integrators for fast
pulses, fast control loop amplifiers and control ampli-
fiers for capacitive sensors and active filters. The
OPA860 is available in an SO-8 surface-mount pack-
age.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 2005, Texas Instruments Incorporated
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
OPA860IDRG4 功能描述:跨導(dǎo)放大器 Wide BW Op Transcon Amp and Buffer RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 封裝 / 箱體:SOIC-14 帶寬: 輸入補償電壓:40 mV at +/- 5 V 電源電壓-最大:+/- 5 V 電源電流: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube
OPA861 制造商:TI 制造商全稱:Texas Instruments 功能描述:Wide Bandwidth OPERATIONAL TRANSCONDUCTANCE AMPLIFIER (OTA)
OPA861ID 功能描述:跨導(dǎo)放大器 Wide Bandwidth Oper Transconductance RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 封裝 / 箱體:SOIC-14 帶寬: 輸入補償電壓:40 mV at +/- 5 V 電源電壓-最大:+/- 5 V 電源電流: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube
OPA861IDBVR 功能描述:跨導(dǎo)放大器 Wide Bandwidth Oper Transconductance RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 封裝 / 箱體:SOIC-14 帶寬: 輸入補償電壓:40 mV at +/- 5 V 電源電壓-最大:+/- 5 V 電源電流: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube
OPA861IDBVRG4 功能描述:跨導(dǎo)放大器 Wide BW Op Transconductance Amp RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 封裝 / 箱體:SOIC-14 帶寬: 輸入補償電壓:40 mV at +/- 5 V 電源電壓-最大:+/- 5 V 電源電流: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube
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