參數(shù)資料
型號： OPA843IDR
元件分類： 運算放大器
英文描述： Wideband, Low Distortion, Medium Gain, Voltage-Feedback OPERATIONAL AMPLIFIER
中文描述： 寬帶，低失真，中等增益，電壓反饋運算放大器
文件頁數(shù)： 3/22頁
文件大?。?/td> 377K
代理商： OPA843IDR
OPA843
SBOS268A
3
www.ti.com
AC PERFORMANCE (see Figure 1)
Small-Signal Bandwidth (V
O
= 200mVp-p)
G = +3
G = +5
G = +10
G = +20
500
260
85
40
800
65
3.5
MHz
MHz
MHz
MHz
MHz
MHz
dB
typ
min
min
min
min
min
typ
C
B
B
B
B
B
C
185
66
30
562
34
180
65
30
560
33
175
64
30
558
32
Gain-Bandwidth Product
Bandwidth for 0.1dB Gain Flatness
Peaking at a Gain of +3
Harmonic Distortion
2nd-Harmonic
G = +5, R
L
= 100
, V
O
= 200mVp-p
G = +5, f = 5MHz, V
O
= 2Vp-p
R
L
= 100
R
L
= 500
R
L
= 100
R
=
500
G = +5, f = 25MHz
f > 1MHz
f > 1MHz
0.2V Step
2V Step
2V Step
2V Step
2V Step
G = +4, NTSC, R
L
= 150
G = +4, NTSC, R
L
= 150
–
76
–
96
–
102
–
110
40
2.0
2.8
1.2
1000
10.5
7.5
3.2
0.001
0.012
–
74
–
94
–
100
–
105
–
72
–
92
–
98
–
102
–
70
–
90
–
95
–
100
dBc
dBc
dBc
dBc
dBm
nV/
√
Hz
pA/
√
Hz
ns
V/
μ
s
ns
ns
ns
%
deg
max
max
max
max
typ
max
max
max
min
typ
max
max
typ
typ
B
B
B
B
C
B
B
B
B
C
B
B
C
C
3rd-Harmonic
2-Tone, 3rd-Order Intercept
Input Voltage Noise
Input Current Noise
Rise-and-Fall Time
Slew Rate
Settling Time to 0.01%
2.2
3.35
1.95
650
2.31
3.4
2.0
600
2.36
3.45
2.1
525
0.1%
1.0%
10
5.4
10.3
5.8
10.6
6.4
Differential Gain
Differential Phase
DC PERFORMANCE
(4)
Open-Loop Voltage Gain (A
OL
)
Input Offset Voltage
Average Offset Voltage Drift
Input Bias Current
Input Bias Current Drift
Input Offset Current
Input Offset Current Drift
V
O
= 0V
V
CM
= 0V
V
CM
= 0V
V
CM
= 0V
V
CM
= 0V
V
CM
= 0V
V
CM
= 0V
110
±
0.30
100
±
1.20
96
±
1.4
±
4
–
36
25
±
1.15
±
2
92
±
1.5
±
4
–
37
25
±
1.17
±
2
dB
mV
μ
V/
°
C
μ
A
nA/
°
C
μ
A
nA/
°
C
min
max
max
max
max
max
max
A
A
B
A
B
A
B
–
20
–
35
±
0.25
±
1.0
INPUT
Common-Mode Input Range (CMIR)
(5)
Common-Mode Rejection (CMRR)
Input Impedance
Differential-Mode
Common-Mode
±
3.2
95
±
3.0
85
±
2.9
84
±
2.8
82
V
dB
min
min
A
A
V
CM
=
±
1V, Input Referred
V
CM
= 0V
V
CM
= 0V
12 || 1
3.2 || 1.2
k
|| pF
M
|| pF
typ
typ
C
C
OUTPUT
Output Voltage Swing
R
L
> 1k
, Positive Output
R
L
> 1k
, Negative Output
R
L
= 100
, Positive Output
R
L
= 100
, Negative Output
V
= 0V
G = +5, f = 1kHz
3.2
–
3.7
3.0
–
3.5
±
100
0.0001
3.0
–
3.5
2.8
–
3.3
±
90
2.9
–
3.4
2.7
–
3.2
±
85
2.8
–
3.3
2.6
–
3.1
±
80
V
V
V
V
min
min
min
min
min
typ
A
A
A
A
A
C
Current Output
Closed-Loop Output Impedance
mA
POWER SUPPLY
Specified Operating Voltage
Maximum Operating Voltage
Minimum Operating Voltage
Max Quiescent Current
Min Quiescent Current
Power-Supply Rejection Ratio
(+PSRR,
–
PSRR)
±
5
V
V
V
typ
max
min
max
min
C
A
A
A
A
±
6
±
4
20.8
19.6
±
6
±
4
22.2
19.1
±
6
±
4
22.5
18.3
V
S
=
±
5V
V
S
=
±
5V
20.2
20.2
mA
mA
|V
S
| = 4.5V to 5.5V, Input Referred
100
90
88
85
dB
min
A
THERMAL CHARACTERISTICS
Specified Operating Range: D, DBV
Thermal Resistance,
θ
JA
D
SO-8
DBV
SOT23-5
–
40 to +85
°
C
typ
C
Junction-to-Ambient
125
150
°
C
°
C
typ
typ
C
C
OPA843ID, OPA843IDBV
TYP
MIN/MAX OVER TEMPERATURE
0
°
C to
70
°
C
–
40
°
C to
+85
°
C
(2)
MIN/
MAX
TEST
LEVEL
(3 )
PARAMETER
CONDITIONS
+25
°
C
+25
°
C
(1)
UNITS
ELECTRICAL CHARACTERISTICS: V
S
=
±
5V
Boldface
limits are tested at
+25
°
C.
At T
A
= +25
°
C, V
S
=
±
5V, R
F
= 402
, R
L
= 100
, and G = +5, 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. V
CM
is the input common-mode voltage. (5) Tested < 3dB below minimum specified CMRR at
±
CMIR limits.
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