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OPA861IDBVT Datasheet(PDF) 10 Page - Texas Instruments

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Part # OPA861IDBVT
Description  Wide Bandwidth Operational Transconductance Amplifier (OTA)
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

OPA861IDBVT Datasheet(HTML) 10 Page - Texas Instruments

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0.20
0.15
0.10
0.05
0
−0.05
−0.10
−0.15
−0.20
Time (10ns/div)
G = +5V/V
R
L = 500Ω
V
IN = 0.07VPP
f
IN = 20MHz
2.0
1.5
1.0
0.5
0
−0.5
−1.0
−1.5
−2.0
Time (10ns/div)
G = +5V/V
R
L = 500Ω
V
IN = 0.7VPP
f
IN = 20MHz
120
100
80
60
40
20
0
Input Voltage (mV)
−30
−20
−10
0
10
20
30
Small−signal around input voltage.
I
Q = 5.8mA
I
Q = 4.7mA
I
Q = 3.1mA
I
Q = 1.65mA
6
4
2
0
−2
−4
−6
OTA Input Voltage (mV)
−50 −40 −30 −20 −10
0
10
20
30
40
50
I
Q = 5.8mA
I
Q = 1.65mA
I
Q = 3.1mA
I
Q = 4.7mA
IOUT
V IN
50Ω
50Ω
150
120
90
60
30
0
Quiescent Current (mA)
0
1
2
3
4
5
6
7
V
IN = 100mVPP
I
OUT
V
IN
50
50
100
10
Frequency (Hz)
1
10
100
1k
R
L = 50Ω
V
IN = 10mVPP
I
Q = 5.8mA
(93mA/V)
I
Q = 4.7mA (80mA/V)
I
Q = 3.1mA (60mA/V)
I
Q = 1.65mA (37mA/V)
I
OU T
V
IN
50
50
OPA861
SBOS338G – AUGUST 2005 – REVISED MAY 2013
www.ti.com
TYPICAL CHARACTERISTICS: VS = +5V
At TA = +25°C, IQ = 4.7mA, and RL = 500Ω to VS/2, unless otherwise noted.
OTA TRANSCONDUCTANCE vs FREQUENCY
OTA TRANSCONDUCTANCE vs IQ
Figure 19.
Figure 20.
OTA TRANSCONDUCTANCE vs INPUT VOLTAGE
OTA TRANSFER CHARACTERISTICS
Figure 21.
Figure 22.
OTA SMALL-SIGNAL PULSE RESPONSE
OTA LARGE-SIGNAL PULSE RESPONSE
Figure 23.
Figure 24.
10
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Copyright © 2005–2013, Texas Instruments Incorporated
Product Folder Links: OPA861


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