參數(shù)資料
型號： OPA820IDR
英文描述： Unity-Gain Stable, Low-Noise, Voltage-Feedback Operational Amplifier
中文描述： 單位增益穩(wěn)定，低噪聲，電壓反饋運(yùn)算放大器
文件頁數(shù)： 4/25頁
文件大?。?/td> 427K
代理商： OPA820IDR
"#$
SBOS303A JUNE 2004 REVISED JULY 2004
www.ti.com
4
ELECTRICAL CHARACTERISTICS: V
S
= +5V
Boldface
limits are tested at
+25
°
C.
RF = 402
, RL = 100
, and G = +2, unless otherwise noted.
OPA820ID, IDBV
MIN/MAX OVER TEMPERATURE
0
°
C to
70
°
C
(2)
TYP
TEST
LEVEL
(3)
PARAMETER
CONDITIONS
+25
°
C
+25
°
C
(1)
40
°
C to
+85
°
C
(2)
UNITS
MIN/
MAX
AC PERFORMANCE
Small-Signal Bandwidth
G = +1, V
O
= 0.1V
PP
, R
F
= 0
G = +2, V
O
= 0.1V
PP
G = +10, V
O
= 0.1V
PP
G
≥
20
V
O
= 0.1V
PP
, R
F
= 0
G = +2, V
O
= 2V
PP
G = +2, 2V Step
G = +2, V
O
= 2V Step
G = +2, V
O
= 2V Step
G = +2, V
O
= 2V Step
G = +2, f = 1MHz, V
O
= 2V
PP
R
L
= 200
R
L
≥
500
R
L
= 200
R
L
≥
500
f > 100kHz
f > 100kHz
550
230
28
260
0.5
70
200
1.7
24
21
MHz
MHz
MHz
MHz
dB
MHz
V/
μ
s
ns
ns
ns
typ
min
min
min
typ
typ
min
typ
typ
typ
C
B
B
B
C
C
B
C
C
C
168
21
200
155
20
190
151
19
185
Gain-Bandwidth Product
Peaking at a Gain of 1
Large-Signal Bandwidth
Slew Rate
Rise Time and Fall Time
Settling Time to 0.02%
145
140
135
to 0.1%
Harmonic Distortion
2nd-Harmonic
80
83
100
98
2.5
1.6
76
79
92
95
2.8
2.5
75
77
91
93
2.9
2.7
74
75
90
92
3.0
2.9
dBc
dBc
dBc
dBc
nV/
√
Hz
pA/
√
Hz
max
max
max
max
max
max
B
B
B
B
B
B
3rd-Harmonic
Input Voltage Noise
Input Current Noise
DC PERFORMANCE
(4)
Open-Loop Voltage Gain (A
OL
)
Input Offset Voltage
Average Input Offset Voltage Drift
Input Bias Current
Average Input Bias Current Drift
Input Offset Current
Inverting Input Bias Current Drift
V
O
= 2.5V, R
L
= 100
V
CM
= 2.5V
V
CM
= 2.5V
V
CM
= 2.5V
V
CM
= 2.5V
V
CM
= 2.5V
V
CM
= 2.5V
65
±
0.3
60
±
1.1
59
±
1.4
4
18
30
±
600
5
58
±
1.6
4
22
50
±
700
5
dB
mV
μ
V/
°
C
μΑ
nA/
°
C
nA
nA/
°
C
min
max
max
max
max
max
max
A
A
B
A
B
A
B
8
16
±
100
±
400
INPUT
Least Positive Input Voltage
Most Positive Input Voltage
Common-Mode Rejection Ratio (CMRR)
Input Impedance
Differential Mode
Common Mode
0.9
4.5
83
1.1
4.2
74
1.2
4.1
73
1.3
4.0
72
V
V
dB
min
max
min
A
A
A
V
CM
= 2.5V, Input-Referred
V
CM
= 2.5V
V
CM
= 2.5V
15
1
5
1.3
k
pF
M
pF
typ
typ
C
C
OUTPUT
Most Positive Output Voltage
No Load
+3.9
+3.8
+1.2
+1.2
±
105
±
115
0.04
+3.8
+3.7
+1.3
+1.3
±
80
+3.75
+3.65
+1.35
+1.35
±
70
+3.7
+3.6
+1.4
+1.4
±
65
V
V
V
V
min
min
max
max
min
typ
typ
A
A
A
A
A
C
C
R
L
= 100
to 2.5V
No Load
R
L
= 100
to 2.5V
V
O
= 2.5V
Output Shorted to Ground
G = +2, f
≤
100kHz
Least Positive Output Voltage
Output Current
Short-Circuit Output Current
Closed-Loop Output Impedance
mA
mA
POWER SUPPLY
Specified Operating Voltage
Maximum Operating Voltage
Maximum Quiescent Current
Minimum Quiescent Current
Power-Supply Rejection Ratio (+PSRR)
+5
V
V
typ
max
max
min
typ
C
A
A
A
C
+12
5.4
4.4
+12
5.5
4.25
+12
5.6
4.1
V
S
= +5V
V
S
= +5V
Input-Referred
5.0
5.0
68
mA
mA
dB
THERMAL CHARACTERISTICS
Specification: ID, IDBV
Thermal Resistance,
JA
D
SO-8
DBV
SOT23-5
40 to +85
°
C
typ
C
Junction-to-Ambient
Junction-to-Ambient
125
150
°
C/W
°
C/W
typ
typ
C
C
(1)
Junction temperature = ambient for +25
°
C specifications.
(2)
Junction temperature = ambient at low temperature limits; junction temperature = ambient +7
°
C at high temperature limit for over temperature.
(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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