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: 寬帶運算跨導(dǎo)放大器(OTA)和緩沖區(qū)
文件頁數(shù): 22/29頁
文件大?。?/td> 613K
代理商: OPA860
www.ti.com
R
C5
150
R
C5
150
R
C5
150
R
S
47
R
8
27k
R
5
47k
+1
R
2
10k
Offset
Trim
R
Q
250
V
IN
6
8
1
4
7
3
2
5
R
100k
R
100k
C
3
2.2
μ
F
D
1
D
2
V
OUT
OTA
+5V
5V
C
2.2pF
C
3
2.2
μ
F
5
1
4
BUF602
+5V
C
3
2.2
μ
F
5V
C
3
2.2
μ
F
+5V
5V
0.5pF
2.5pF
DMF3068A
Integrator for ns Pulse
V
O
g
m
C
T
O
V
BE
dt
(8)
V
C
V
BE
g
m
t
C
(7)
780
V
I
OTA
50
50
3 B
2
E
C
8
+5V
5V
V
O
27pF
1
μ
F
620
200
820
+1
6
5
OPA860
SBOS331–JUNE 2005
Figure 57. Comparator (Low Jitter)
One very interesting application using the OPA860 in
physical measurement technology is an open-loop
ns-integrator (shown in
Figure 58
) which can process
pulses with an amplitude of
±
2.5V, have a rise/fall
time of as little as 2ns, and also have a pulse width of
more than 8ns. The voltage-controlled current source
charges the integration capacitor linearly according to
Equation 7
:
Where:
V
O
= Output Voltage
T = Integration Time
C = Integration Capacitance
Where:
The output voltage is the time integral of the input
voltage. It can be calculated from
Equation 8
:
V
C
= Voltage At Pin 8
V
BE
= Base-Emitter Voltage
g
m
= Transconductance
t = Time
C = Integration Capacitance
Figure 58. Integrator for ns-Pulses
22
相關(guān)PDF資料
PDF描述
OPA860ID Wide Bandwidth OPERATIONAL TRANSCONDUCTANCE AMPLIFIER (OTA) and BUFFER
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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