參數(shù)資料
型號: OPA860
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(yùn)算跨導(dǎo)放大器(OTA)和緩沖區(qū)
文件頁數(shù): 18/29頁
文件大?。?/td> 613K
代理商: OPA860
www.ti.com
Direct Feedback Amplifier
G
R3
2
R
5
R
5
1
2
gm
1
R
3
2R
5
(5)
I
OUT
R
1
R
2
I
IN
I
OUT
I
IN
R
1
R
2
I
OUT
1
C
R
I
IN
dt
I
OUT
I
IN
C
R
I
OUT
n
j
1
I
j
I
OUT
I
2
I
n
I
1
I
OUT
n
j
1
I
j
R
j
R
I
OUT
I
1
R
R
1
I
n
R
R
n
OPA860
SBOS331–JUNE 2005
The gain for this topology is given by
Equation 5
:
The direct feedback amplifier (shown in
Figure 53
)
topology has been used to characterize the OPA860.
Extended characterization of this topology appears in
the
Typical Characteristics
section of this data sheet.
This topology is obtained by closing the loop between
the C-output and the E-input of the common-E
topology, and then buffered.
Table 1. Current-Mode Analog Computation Using the OTA Section
FUNCTIONAL ELEMENT
TRANSFER FUNCTION
IMPLEMENTATION WITH THE OTA SECTION
Current Amplifier
Current Integrator
Current Summer
Weighted Current Summer
18
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
OPA860ID 功能描述:跨導(dǎo)放大器 Wide Bandwidth 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(bǔ)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
OPA860ID 制造商:Texas Instruments 功能描述:TRANSCONDUCTANCE OP-AMP W/BUFFER ((NS))
OPA860IDG4 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(bǔ)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
OPA860IDR 功能描述:跨導(dǎo)放大器 Wide Bandwidth 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(bǔ)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
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(bǔ)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