參數(shù)資料
型號： OPA4228UA2K5
廠商： Texas Instruments, Inc.
英文描述： High Precision, Low Noise OPERATIONAL AMPLIFIERS
中文描述： 高精度，低噪聲運(yùn)算放大器
文件頁數(shù)： 3/27頁
文件大?。?/td> 847K
代理商： OPA4228UA2K5
OPA227, 2227, 4227
OPA228, 2228, 4228
SBOS110A
3
www.ti.com
OPA228PA, UA
OPA2228PA, UA
OPA4228PA, UA
OPA228P, U
OPA2228P, U
PARAMETER
CONDITION
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
OFFSET VOLTAGE
Input Offset Voltage
O
T
= –40
°
C to +85
°
C
ver Temperature
vs Temperature
vs Power Supply
T
= –40
°
C to +85
°
C
vs Time
Channel Separation (dual, quad)
V
OS
±
5
±
75
±
100
±
0.6
±
2
±
2
±
10
±
200
±
200
±
2
μ
V
μ
V
dV
/dT
PSRR
±
0.1
±
0.5
±
0.3
μ
V/
°
C
μ
V/V
μ
V/V
μ
V/mo
μ
V/V
dB
V
S
=
±
2.5V to
±
18V
0.2
0.2
110
dc
f = 1kHz, R
L
= 5k
INPUT BIAS CURRENT
Input Bias Current
T
= –40
°
C to +85
°
C
Input Offset Current
T
A
= –40
°
C to +85
°
C
NOISE
Input Voltage Noise, f = 0.1Hz to 10Hz
I
B
±
2.5
±
10
±
10
±
10
±
10
nA
nA
nA
nA
I
OS
±
2.5
90
15
3.5
3
3
0.4
nVp-p
nVrms
nV/
√
Hz
nV/
√
Hz
nV/
√
Hz
pA/
√
Hz
Input Voltage Noise Density, f = 10Hz e
n
f = 100Hz
f = 1kHz
Current Noise Density, f = 1kHz
INPUT VOLTAGE RANGE
Common-Mode Voltage Range
Common-Mode Rejection
T
A
= –40
°
C to +85
°
C
INPUT IMPEDANCE
Differential
Common-Mode
OPEN-LOOP GAIN
Open-Loop Voltage Gain
T
A
= –40
°
C to +85
°
C
i
n
V
(V
–
)+2
120
120
(V+)
–
2
V
dB
dB
CMRR
V
CM
= (V
–
)+2V
to (V+)
–
2V
138
10
7
|| 12
10
9
|| 3
|| pF
|| pF
V
CM
= (V
–
)+2V
to (V+)
–
2V
A
OL
V
O
= (V
–
)+2V to (V+)
–
2V, R
L
= 10k
132
132
132
132
160
dB
dB
dB
dB
V
O
= (V
–
)+3.5V to (V+)
–
3.5V, R
L
= 600
160
T
A
= –40
°
C to +85
°
C
FREQUENCY RESPONSE
Minimum Closed-Loop Gain
Gain Bandwidth Product
Slew Rate
Settling Time: 0.1%
5
33
11
1.5
2
0.6
V/V
MHz
V/
μ
s
μ
s
μ
s
μ
s
%
GBW
SR
G = 5, 10V Step, C
L
= 100pF, C
F
=12pF
G = 5, 10V Step, C
= 100pF, C
F
=12pF
V
G = V
f = 1kHz, G = 5, V
O
= 3.5Vrms
0.01%
Overload Recovery Time
Total Harmonic Distortion + Noise THD+N
OUTPUT
Voltage Output
T
A
= –40
°
C to +85
°
C
0.00005
R
L
= 10k
R
L
= 10k
R
L
= 600
R
L
= 600
(V
–
)+2
(V–)+2
(V
–
)+3.5
(V–)+3.5
(V+)
–
2
(V+)–2
(V+)
–
3.5
(V+)–3.5
V
V
V
V
T
= –40
°
C to +85
°
C
Short-Circuit Current
Capacitive Load Drive
POWER SUPPLY
Specified Voltage Range
Operating Voltage Range
Quiescent Current (per amplifier)
T
A
= –40
°
C to +85
°
C
TEMPERATURE RANGE
Specified Range
Operating Range
Storage Range
Thermal Resistance
SO-8 Surface Mount
DIP-8
DIP-14
SO-14 Surface Mount
I
SC
±
45
mA
C
LOAD
See Typical Curve
V
S
±
5
±
2.5
±
15
±
18
±
3.8
±
4.2
V
V
I
Q
I
O
= 0
I
O
= 0
±
3.7
mA
mA
–
40
–
55
–
65
+85
+125
+150
°
C
°
C
°
C
θ
JA
150
100
80
100
°
C/W
°
C/W
°
C/W
°
C/W
Specifications same as OPA228P, U.
SPECIFICATIONS: V
S
=
±
5V to
±
15V
OPA228 Series
At T
A
= +25
°
C, and R
L
= 10k
, unless otherwise noted.
Boldface
limits apply over the specified temperature range, T
A
=
–
40
°
C to +85
°
C.
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