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OPA842 Fiches technique(PDF) 3 Page - Texas Instruments

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No de pièce OPA842
Description  Wideband, Low Distortion, Unity-Gain Stable, Voltage-Feedback OPERATIONAL AMPLIFIER
Download  19 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

OPA842 Fiches technique(HTML) 3 Page - Texas Instruments

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OPA842
3
SBOS267A
www.ti.com
OPA842ID, OPA842IDBV
TYP
MIN/MAX OVER TEMPERATURE
0
°C to
–40
°C to
MIN/
TEST
PARAMETER
CONDITIONS
+25
°C
+25
°C(1)
70
°C
+85
°C(2)
UNITS
MAX
LEVEL(3 )
AC PERFORMANCE (see Figure 1)
Closed-Loop Bandwidth (VO = 100mVp-p)
G = +1, RF = 25Ω
350
MHz
typ
C
G = +2
150
105
101
100
MHz
min
B
G = +5
45
30
29
29
MHz
min
B
G = +10
21
15
14
14
MHz
min
B
Gain-Bandwidth Product
200
136
135
135
MHz
min
B
Bandwidth for 0.1dB Gain Flatness
G = +2, RL = 100Ω, VO = 100mVp-p
56
MHz
typ
C
G = +1, RL = 100Ω, RF = 25Ω
105
MHz
typ
C
Harmonic Distortion
G = +2, f = 5MHz, VO = 2Vp-p
2nd-Harmonic
RL = 100Ω
–80
–78
–77
–76
dBc
max
B
RL = 500Ω
–94
–92
–91
–90
dBc
max
B
3rd-Harmonic
RL = 100Ω
–97
–96
–95
–94
dBc
max
B
RL = 500Ω
–93
–91
–90
–90
dBc
max
B
2-Tone, 3rd-Order Intercept
G = +2, f = 10MHz
44
dBm
typ
C
Input Voltage Noise
f > 1MHz
2.6
2.8
3.0
3.1
nV/√Hz
max
B
Input Current Noise
f > 1MHz
2.7
2.8
2.9
3.0
pA/√Hz
max
B
Rise-and-Fall Time
0.2V Step
2.3
3.3
3.4
3.5
ns
max
B
Slew Rate
2V Step
400
300
250
225
V/
µs
min
B
Settling Time to 0.01%
2V Step
22
ns
typ
C
0.1%
2V Step
15
19.6
20.3
21.3
ns
max
B
1.0%
2V Step
9
10.2
11.3
12.5
ns
max
B
Differential Gain
G = +2, NTSC, RL = 150Ω
0.003
%
typ
C
Differential Phase
G = +2, NTSC, RL = 150Ω
0.008
deg
typ
C
DC PERFORMANCE(4)
Open-Loop Voltage Gain (AOL)VO = 0V
110
100
96
92
dB
min
A
Input Offset Voltage
VCM = 0V
±0.30
±1.2
±1.4
±1.5
mV
max
A
Average Offset Voltage Drift
VCM = 0V
±4
±4
µV/°C
max
B
Input Bias Current
VCM = 0V
–20
–35
–36
–37
µA
max
A
Input Bias Current Drift
VCM = 0V
25
25
nA/
°C
max
B
Input Offset Current
VCM = 0V
±0.35
±1.0
±1.15
±1.17
µA
max
A
Input Offset Current Drift
VCM = 0V
±2
±2
nA/
°C
max
B
INPUT
Common-Mode Input Range (CMIR)(5)
±3.2
±3.0
±2.9
±2.8
V
min
A
Common-Mode Rejection (CMRR)
VCM = ±1V, Input Referred
95
85
84
82
dB
min
A
Input Impedance
Differential-Mode
VCM = 0V
14 || 1
k
Ω || pF
typ
C
Common-Mode
VCM = 0V
3.1 || 1.2
M
Ω || pF
typ
C
OUTPUT
Output Voltage Swing
RL > 1kΩ, Positive Output
3.2
3.0
±2.9
±2.8
V
min
A
RL > 1kΩ, Negative Output
–3.7
–3.5
–3.4
–3.3
V
min
A
RL = 100Ω, Positive Output
3.0
2.8
2.7
2.6
V
min
A
RL = 100Ω, Negative Output
–3.5
–3.3
–3.2
–3.1
V
min
A
Current Output, Sourcing
VO = 0V
±100
±90
±85
±80
mA
min
A
Closed-Loop Output Impedance
G = +2, f = 1kHz
0.00038
typ
C
POWER SUPPLY
Specified Operating Voltage
±5
V
typ
C
Maximum Operating Voltage
±6
±6
±6
V
min
A
Max Quiescent Current
VS = ±5V
20.2
20.8
22.2
22.5
mA
max
A
Min Quiescent Current
VS = ±5V
20.2
19.6
19.1
18.3
mA
min
A
Power-Supply Rejection Ratio
(+PSRR, –PSRR)
|VS| = 4.5V to 5.5V, Input Referred
100
90
88
85
dB
min
A
THERMAL CHARACTERISTICS
Specified Operating Range: D, DBV
–40 to +85
°C
typ
C
Thermal Resistance,
θ
JA
Junction-to-Ambient
D
SO-8
125
°C
typ
C
DBV
SOT23-5
150
°C
typ
C
ELECTRICAL CHARACTERISTICS: VS = ±5V
Boldface limits are tested at +25
°C.
At TA = +25°C, VS = ±5V, RF = 402Ω, RL = 100Ω, and G = +2, unless otherwise noted. See Figure 1 for AC performance.
NOTES: (1) Junction temperature = ambient temperature for +25
°C min/max specifications. (2) Junction temperature = ambient at low temperature limit: junction
temperature = ambient +23
°C at high temperature limit for over temperature min/max specifications. (3) 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. (4) Current is considered positive out-
of-node. VCM is the input common-mode voltage. (5) Tested < 3dB below minimum specified CMRR at ±CMIR limits.


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