參數(shù)資料
型號(hào)： OPA676KG
廠商： Texas Instruments, Inc.
英文描述： Wideband Switched-Input OPERATIONAL AMPLIFIER
中文描述： 寬帶開關(guān)輸入運(yùn)算放大器
文件頁(yè)數(shù)： 8/13頁(yè)
文件大?。?/td> 198K
代理商： OPA676KG
OPA675/676
8
B
Select
A
Select
–
Q7
Q8
Q1
Q2
A
Q3
Q4
B
+ –
+
Q5
Q6
+V
CC
Bias
Comp
I
TAIL
–V
CC
Out
+V
CC
ECL
Out
TTL
In
ECL
Threshold
FIGURE 1. OPA675 Simplified Circuit Diagram.
FPO
FIGURE 3. 1% Settling Time.
FIGURE 2. Internal OPA676 TTL Logic Level Shifter.
FPO
350mV is typically required to switch between inputs. This
logic input sensitivity allows simpler high-speed logic driver
circuitry and it minimizes digital noise coupling into adja-
cent wideband analog circuitry and allows single ended ECL
inputs to be used with V
BB
applied to the other input.
The OPA675 and OPA676 are designed to be frequency
compensated by a single capacitor connected from pin 5 to
ground. Recommended compensation is shown in
Typical
Performance Curves. A small variable capacitor may be
trimmed for best bandwidth, settling time, and gain peaking.
This amplifier is designed for optimum performance in gains
of 5V/V to 20V/V, but it can also be used over a far wider
range of gains with excellent results. Closed-loop gain/phase
(Bode) plots are shown in the Typical Performance Curves.
OFFSET TRIM
Input offset voltage is low enough for many video applica-
tions. If desired, offset voltage can be trimmed with a 1k
potentiometer connected to +V
CC
. Trimming offset voltage
in this manner will effect both input A and input B;
independent control of input offset will require that trim
adjust current be summed into one or both inputs. This
technique is shown in a few applications circuits on the pages
to follow.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
OPA676SG 制造商:TI 制造商全稱:Texas Instruments 功能描述:Wideband Switched-Input OPERATIONAL AMPLIFIER
OPA678 制造商:BB 制造商全稱:BB 功能描述:Wideband Switched-Input OPERATIONAL AMPLIFIER
OPA678AP 制造商:BB 制造商全稱:BB 功能描述:Wideband Switched-Input OPERATIONAL AMPLIFIER
OPA678AU 功能描述:高速運(yùn)算放大器 Widebane Switched RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
OPA680 制造商:TI 制造商全稱:Texas Instruments 功能描述:Wideband, Voltage Feedback OPERATIONAL AMPLIFIER With Disable
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