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OPA861IDBVTG4 Datasheet(PDF) 3 Page - Texas Instruments

Part # OPA861IDBVTG4
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

OPA861IDBVTG4 Datasheet(HTML) 3 Page - Texas Instruments

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OPA861
www.ti.com
SBOS338G – AUGUST 2005 – REVISED MAY 2013
ELECTRICAL CHARACTERISTICS: VS = ±5V
RL = 500Ω and RADJ = 250Ω, unless otherwise noted.
OPA861ID, IDBV
TYP
MIN/MAX OVER TEMPERATURE
0°C to
–40°C to
MIN/
TEST
PARAMETER
CONDITIONS
+25°C
+25°C
(2)
70°C
(3)
+85°C
(3)
UNITS
MAX
LEVEL
(1)
OTA—Open-Loop (see Figure 33)
AC PERFORMANCE
G = +5, VO = 200mVPP,
Bandwidth
80
77
75
74
MHz
min
B
RL = 500Ω
G = +5, VO = 1VPP
80
MHz
typ
C
G = +5, VO = 5VPP
80
MHz
typ
C
Slew Rate
G = +5, VO = 5V Step
900
860
850
840
V/µs
min
B
Rise Time and Fall Time
VO = 1V Step
4.4
ns
typ
C
Harmonic Distortion
G = +5, VO = 2VPP, 5MHz
2nd-Harmonic
RL = 500Ω
–68
–55
–54
–53
dB
max
B
3rd-Harmonic
RL = 500Ω
–57
–52
–51
–49
dB
max
B
Base Input Voltage Noise
f > 100kHz
2.4
3.0
3.3
3.4
nV/
√Hz
max
B
Base Input Current Noise
f > 100kHz
1.7
2.4
2.45
2.5
pA/
√Hz
max
B
Emitter Input Current Noise
f > 100kHz
5.2
15.3
16.6
17.5
pA/
√Hz
max
B
OTA DC PERFORMANCE
(4) (see Figure 33)
Minimum OTA Transconductance (gm)
VO = ±10mV, RC = 50Ω, RE = 0Ω
95
80
77
75
mA/V
min
A
Maximum OTA Transconductance (gm)
VO = ±10mV, RC = 50Ω, RE = 0Ω
95
150
155
160
mA/V
max
A
B-Input Offset Voltage
VB = 0V, RC = 0Ω, RE = 100Ω
±3
±12
±15
±20
mV
max
A
Average B-Input Offset Voltage Drift
VB = 0V, RC = 0Ω, RE = 100Ω
±67
±120
μV/°C
max
B
B-Input Bias Current
VB = 0V, RC = 0Ω, RE = 100Ω
±1
±5
±6
±6.6
μA
max
A
Average B-Input Bias Current Drift
VB = 0V, RC = 0Ω, RE = 100Ω
±20
±25
nA/°C
max
B
E-Input Bias Current
VB = 0V, VC = 0V
±30
±100
±125
±140
μA
max
A
Average E-Input Bias Current Drift
VB = 0V, VC = 0V
±500
±600
nA/°C
max
B
C-Output Bias Current
VB = 0V, VC = 0V
±5
±18
±30
±38
μA
max
A
Average C-Output Bias Current Drift
VB = 0V, VC = 0V
±250
±300
nA/°C
max
B
OTA INPUT (see Figure 33)
B-Input Voltage Range
±4.2
±3.7
±3.6
±3.6
V
min
B
B-Input Impedance
455 || 2.1
k
Ω || pF
typ
C
Min E-Input Resistance
10.5
12.5
13.0
13.3
max
B
Max E-Input Resistance
10.5
6.7
6.5
6.3
min
B
OTA OUTPUT
E-Output Voltage Compliance
IE = ±1mA
±4.2
±3.7
±3.6
±3.6
V
min
A
E-Output Current, Sinking/Sourcing
VE = 0
±15
±10
±9
±9
mA
min
A
C-Output Voltage Compliance
IC = ±1mA
±4.7
±4.0
±3.9
±3.9
V
min
A
C-Output Current, Sinking/Sourcing
VC = 0
±15
±10
±9
±9
mA
min
A
C-Output Impedance
54 || 2
k
Ω || pF
typ
C
(1)
Test levels: (A) 100% tested at +25°C. Over temperature limits set by characterization and simulation. (B) Limits set by characterization
and simulation. (C) Typical value only for information.
(2)
Junction temperature = ambient for +25°C specifications.
(3)
Junction temperature = ambient at low temperature limit; junction temperature = ambient + 7°C at high temperature limit for over
temperature specifications.
(4)
Current is considered positive out of node.
Copyright © 2005–2013, Texas Instruments Incorporated
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