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OPA691 Datasheet(PDF) 3 Page - Texas Instruments

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Part # OPA691
Description  Wideband, Voltage-Feedback OPERATIONAL AMPLIFIER with Disable
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

OPA691 Datasheet(HTML) 3 Page - Texas Instruments

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OPA690
www.ti.com
SBOS223F – DECEMBER 2001 – REVISED FEBRUARY 2010
ELECTRICAL CHARACTERISTICS: VS = ±5V
Boldface limits are tested at +25°C.
At RF = 402Ω, RL = 100Ω, and G = +2 (see Figure 36 for ac performance only), unless otherwise noted.
OPA690ID, IDBV
MIN/MAX OVER
TYP
TEMPERATURE
0°C to
-40°C to
MIN/
TEST
PARAMETER
TEST CONDITIONS
+25°C
+25°C
(2)
+70°C
(3)
+85°C
(3)
UNIT
MAX
LEVELS
(1)
AC PERFORMANCE (see Figure 36)
Small-Signal Bandwidth
G = +1, VO = 0.5VPP, RF = 25Ω
500
MHz
typ
C
G = +2, VO = 0.5VPP
220
165
160
150
MHz
min
B
G = +10, VO = 0.5VPP
30
20
19
18
MHz
min
B
Gain Bandwidth Product
G
≥ 10
300
200
190
180
MHz
min
B
Bandwidth for 0.1dB Gain Flatness
G = +2, VO < 0.5VPP
30
MHz
typ
C
Peaking at a Gain of +1
VO < 0.5VPP
4
dB
typ
C
Large-Signal Bandwidth
G = +2, VO < 0.5VPP
200
MHz
typ
C
Slew Rate
G = +2, 4V Step
1800
1400
1200
900
V/ms
min
B
Rise-and-Fall Time
G = +2, VO = 0.5V Step
1.4
ns
typ
C
G = +2, VO = 5V Step
2.8
ns
typ
C
Settling Time to 0.02%
G = +2, VO = 2V Step
12
ns
typ
C
Settling Time to 0.1%
G = +2, VO = 2V Step
8
ns
typ
C
Harmonic Distortion
G = +2, f = 5MHz, VO = 2VPP
xx x 2nd-Harmonic
RL = 100Ω
–68
–64
–62
–60
dBc
max
B
RL ≥ 500Ω
–77
–70
–68
–66
dBc
max
B
xx x 3rd-Harmonic
RL = 100Ω
–70
–68
–66
–64
dBc
max
B
RL ≥ 500Ω
–81
–78
–76
–75
dBc
max
B
Input Voltage Noise
f > 1MHz
5.5
nV/
√Hz
typ
C
Input Current Noise
f > 1MHz
3.1
pA/
√Hz
typ
C
Differential Gain
G = +2, NTSC, VO = 1.4VP, RL = 150Ω
0.06
%
typ
C
Differential Phase
G = +2, NTSC, VO = 1.4VP, RL = 150Ω
0.03
deg
typ
C
DC PERFORMANCE
(4)
Open-Loop Voltage Gain (AOL)
VO = 0V, RL = 100Ω
69
58
56
54
dB
min
A
Input Offset Voltage
VCM = 0V
±1.0
±4
±4.5
±4.7
mV
max
A
xxx Average Offset Voltage Drift
VCM = 0V
±10
±10
mV/°C
max
B
Input Bias Current
VCM = 0V
±3
±10
±11
±12
mA
max
A
xxx Average Bias Current Drift (magnitude)
VCM = 0V
±20
±40
nA/°C
max
B
Input Offset Current
VCM = 0V
±0.1
±1.0
±1.4
±1.6
mA
max
A
xxx Average Offset Current Drift
VCM = 0V
±7
±9
nA/°C
max
B
INPUT
Common-mode Input Voltage (CMIR)
(5)
±3.5
±3.4
±3.3
±3.2
V
min
A
Common-Mode Rejection Ratio (CMRR)
VCM = ±1V
65
60
57
56
dB
min
A
Input Impedance
xxx Differential Mode
VCM = 0V
190 || 0.6
k
Ω || pF
typ
C
xxx Common-Mode
VCM = 0V
3.2 || 0.9
M
Ω || pF
typ
C
(1)
Test levels: (A) 100% tested at +25°C. Over temperature limits 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 limits; junction temperature = ambient +10°C at high temperature limit for over
temperature specifications.
(4)
Current is considered positive out of node.
(5)
Tested < 3dB below minimum specified CMRR at ±CMIR limits.
Copyright © 2001–2010, Texas Instruments Incorporated
3
Product Folder Link(s): OPA690


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